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the cook islands are situated in the middle of the south pacific . the wood carvers of the island of rarotonga , one of the cook islands , have a distinctive style.the cook islands were settled around the period 800-1000 c.e.. captain cook made the first official european sighting of the islands in 1773 , but spent lit... | the only surviving wrapped example of a large staff god , this impressive image is composed of a central wood shaft wrapped in an enormous roll of decorated barkcloth . there are no other surviving large staff-gods from the cook islands that retain their barkcloth wrapping as this one does . this was probably one of th... | what were the purpose of the staff gods ? |
the cook islands are situated in the middle of the south pacific . the wood carvers of the island of rarotonga , one of the cook islands , have a distinctive style.the cook islands were settled around the period 800-1000 c.e.. captain cook made the first official european sighting of the islands in 1773 , but spent lit... | this image was among fourteen presented to reverend john williams at rarotonga in may 1827 . the only surviving wrapped example of a large staff god , this impressive image is composed of a central wood shaft wrapped in an enormous roll of decorated barkcloth . there are no other surviving large staff-gods from the coo... | what is the function of the staff god and the wrapping ? |
the cook islands are situated in the middle of the south pacific . the wood carvers of the island of rarotonga , one of the cook islands , have a distinctive style.the cook islands were settled around the period 800-1000 c.e.. captain cook made the first official european sighting of the islands in 1773 , but spent lit... | he also recorded seeing the islanders carrying the image upright on a litter . this image was among fourteen presented to reverend john williams at rarotonga in may 1827 . the only surviving wrapped example of a large staff god , this impressive image is composed of a central wood shaft wrapped in an enormous roll of d... | i understood that the staff god probably represented an ancestor and that the wrapping may have protected the deity but what do the two things combined do ? |
key points long-run equilibrium in perfectly competitive markets meets two important conditions : allocative efficiency and productive efficiency . these two conditions have important implications . first , resources are allocated to their best alternative use . second , they provide the maximum satisfaction attainable... | thus , a homeless person may have no ability to pay for housing because they have insufficient income . perfect competition , in the long run , is a hypothetical benchmark . for market structures such as monopoly , monopolistic competition , and oligopoly—which are more frequently observed in the real world than perfec... | can perfect competition be dynamically efficient ? |
what are capacitors ? capacitors store energy by holding apart pairs of opposite charges . since a positive charge and a negative charge attract each other and naturally want to come together , when they are held a fixed distance apart ( for example , by a gap of insulating material such as air ) , their mutual attract... | these electrodes are connected to a defibrillator , which consists of a battery and a giant capacitor . when paramedics use defibrillators , batteries slowly charge the capacitor by adding electrons to one plate and pulling an equal number of electrons off of the other plate . once the capacitor is charged to the set v... | how light is produced when electrons flow through a wire ? |
what are capacitors ? capacitors store energy by holding apart pairs of opposite charges . since a positive charge and a negative charge attract each other and naturally want to come together , when they are held a fixed distance apart ( for example , by a gap of insulating material such as air ) , their mutual attract... | as you may recall , charges create electric field lines that point away from positive charges and towards negative charges . in a parallel-plate capacitor , the electric field lines point straight across the gap between the two plates . we know that electric fields and voltage differences go hand-in-hand , and so it al... | how does capacitance is related with distance between the two plates ? |
what are capacitors ? capacitors store energy by holding apart pairs of opposite charges . since a positive charge and a negative charge attract each other and naturally want to come together , when they are held a fixed distance apart ( for example , by a gap of insulating material such as air ) , their mutual attract... | this usually requires them to travel through a circuit ( as current ) and perform some task , like illuminating a light bulb , along the way . the total energy that can be extracted from a fully charged capacitor is also related to the capacitance and voltage , e = 1/2 cv $ ^2 $ if you attach a capacitor ( with capacit... | can any one elaborate how distance effect capacitance ? |
overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | although antiwar activism constrained the president ’ s ability to further escalate the war effort after 1965 , it also lent credence to the conservative portrayal of a chaotic society desperately in need of “ law and order. ” $ ^3 $ in 1968 , richard nixon successfully campaigned for the presidency on the basis of suc... | what is the point of the selective service system if there is no draft ? |
overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | is there any link between hippies and socialism ? |
overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | students for a democratic society ( sds ) formed at the university of michigan and issued the port huron statement , which criticized us foreign policy and attacked the cold war assumptions underlying it . some of these student groups became a major part of the new left , a broad-based political movement that challenge... | is the 60s the beginning of a more left leaning academia or was it before ? |
overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | what do you think ? why did us public opinion turn against the vietnam war ? what are the key arguments of the port huron statement ? | why did us public opinion turn against the vietnam war ? |
overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | why is there no discussion of the 1968 democratic convention and it 's impact on the anti war movement ? |
overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | also , how the chicago 8 trial impacted the anti war movement ? |
overview the student movement arose to demand free speech on college campuses , but as the us involvement in the vietnam war expanded , the war became the main target of student-led protests . news coverage of the war , which included graphic visual testimonies of the death and destruction in vietnam , turned us public... | graphic images of death and destruction displayed on the nightly news turned the american public ever more sharply against the war . at the same time , news media coverage was frequently hostile to the activists themselves , and thus contributed to the conservative backlash against the antiwar movement. $ ^5 $ in 1971 ... | in paragraph 5 , what is the difference between enlisting and drafting ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | solve $ 4x^2+4x+1=0 $ . solve $ 3x^2+11x-4=0 $ . arranging the equation before factoring one of the sides must be zero . | was it from multiplying -4 to the co-effiecient of the 3 in 3x^2 ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | solve $ x^2+5x=0 $ . solve $ x^2-11x+28=0 $ . solve $ 4x^2+4x+1=0 $ . | maybe my brain is mush , but how do you factor x^2 + 11x -4 ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | therefore , we know that our solutions are the only ones possible . solving by factoring suppose we want to solve the equation $ x^2-3x-10=0 $ , then all we have to do is factor $ x^2-3x-10 $ and solve like before ! $ x^2-3x-10 $ can be factored as $ ( x+2 ) ( x-5 ) $ . | how do you solve the equation , 12x ( squared ) - 7x= 10 ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | solving by factoring suppose we want to solve the equation $ x^2-3x-10=0 $ , then all we have to do is factor $ x^2-3x-10 $ and solve like before ! $ x^2-3x-10 $ can be factored as $ ( x+2 ) ( x-5 ) $ . the complete solution of the equation would go as follows : $ \begin { align } x^2-3x-10 & amp ; =0\\ ( x+2 ) ( x-5 )... | is n't the result should be x=-5 `` or '' x=-7 instead of `` and '' ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | solve $ x^2+5x=0 $ . solve $ x^2-11x+28=0 $ . solve $ 4x^2+4x+1=0 $ . | why when they say `` divide by 3 '' in the second step does the equation look like '' x^2+11x+10 = 0 '' instead of 3 ( x^2+11x+10 ) = 0 '' the way they wrote it , the right hand side of the equation would equal 0/3 , would n't it ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | the answer is provided by a simple but very useful property , called the zero-product property : if the product of two quantities is equal to zero , then at least one of the quantities must be equal to zero . substituting any $ x $ value except for our solutions results in a product of two non-zero numbers , which mean... | what is the sum-product pattern ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | keep in mind that different equations call for different factorization methods . solve $ x^2+5x=0 $ . solve $ x^2-11x+28=0 $ . | in 4x^2 + 4x + 1=0 , could we write : 4 ( x + 0.5 ) ( x + 0.5 ) and then delete 4 and the rest would become ( x + 0.5 ) ^2 = 0 and x = - 0.5 ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | solving by factoring suppose we want to solve the equation $ x^2-3x-10=0 $ , then all we have to do is factor $ x^2-3x-10 $ and solve like before ! $ x^2-3x-10 $ can be factored as $ ( x+2 ) ( x-5 ) $ . the complete solution of the equation would go as follows : $ \begin { align } x^2-3x-10 & amp ; =0\\ ( x+2 ) ( x-5 )... | find the solutions of the equation 3x^2-9x-20=x^2+5x+16 does the answer need to be -9 and 2 or can it also be -2 and 9 and how do i know which one needs to be the negative number if it does matter ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | solving by factoring suppose we want to solve the equation $ x^2-3x-10=0 $ , then all we have to do is factor $ x^2-3x-10 $ and solve like before ! $ x^2-3x-10 $ can be factored as $ ( x+2 ) ( x-5 ) $ . the complete solution of the equation would go as follows : $ \begin { align } x^2-3x-10 & amp ; =0\\ ( x+2 ) ( x-5 )... | in the `` removing common factors '' section , why did x^2+34 change into x^2-34 after it was moved to the other side of the equal sign ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | this is a product of two expressions that is equal to zero . note that any $ x $ value that makes either $ ( x-1 ) $ or $ ( x+3 ) $ zero , will make their product zero . $ \begin { align } ( x-1 ) & amp ; ( x+3 ) =0 \\ \swarrow\quad & amp ; \quad\searrow \\ x-1=0\quad & amp ; \quad x+3=0 \\ x=1\quad & amp ; \quad x=-3 ... | what would you do with the x outside of the parentheses in the equation x ( x-3 ) =0 ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | keep in mind that different equations call for different factorization methods . solve $ x^2+5x=0 $ . solve $ x^2-11x+28=0 $ . | in x^2+5x=0 how can x equal to 2 different numbers 0 and -5 ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | solve $ 4x^2+4x+1=0 $ . solve $ 3x^2+11x-4=0 $ . arranging the equation before factoring one of the sides must be zero . | how would i solve the equation 3x^2-2x+7=0 ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | only then were we able to factor and use our solution method . removing common factors this is how the solution of the equation $ 2x^2-12x+18=0 $ goes : $ \begin { align } 2x^2-12x+18 & amp ; =0\\ x^2-6x+9 & amp ; =0 & amp ; & amp ; \text { divide by 2 . } \\ ( x-3 ) ^2 & amp ; =0 & amp ; & amp ; \text { factor . | how do i find the gcf of ( 2p^2 +11p-21 ) ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | keep in mind that different equations call for different factorization methods . solve $ x^2+5x=0 $ . solve $ x^2-11x+28=0 $ . | how would you solve an equation ( x^3+x^2 -42x=0 ) ? |
what you should be familiar with before taking this lesson factoring using the sum-product pattern factoring by grouping factoring special products what you will learn in this lesson so far you have solved linear equations , which include constant terms—plain numbers—and terms with the variable raised to the first powe... | specifically you will learn how to solve factored equations like $ ( x-1 ) ( x+3 ) =0 $ and how to use factorization methods in order to bring other equations $ ( $ like $ x^2-3x-10=0 ) $ to a factored form and solve them . solving factored quadratic equations suppose we are asked to solve the quadratic equation $ ( x-... | what are the other methods of solving quadratic equations other than factorisation ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | the total mass of cart 2 , cart plus fridge , is three times the total mass of cart 1 , cart plus person . if the person is driving with enough force that the two carts accelerate to the right , what can be said for sure about the magnitudes of the forces on the carts ? example 2 : third-law-force pairs a box sits at r... | regarding example 1 , if the magnitudes are the same , why are the two carts accelerating to the right again ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what do examples involving newton 's third law look like ? example 1 : fridge push a person drives a cart , cart 1 , to the right while pushing another cart , cart 2 , that has a massive refrigerator on it . the total mass of cart 2 , cart plus fridge , is three times the total mass of cart 1 , cart plus person . if th... | the mass of cart 2 is greater than the mass of cart 1 , so should n't the acceleration be only to the right if the magnitude of f ( 21 ) is greater ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. this remarkable fact is a consequence of newton 's third law . newton 's third law :... | is n't the ground the same thing as the earth ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | why is it that the ball could not bounce all the way back to my position if newton 's third law state that the ground will exert an equal amount of force to the ball ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. this remarkable fact is a consequence of newton 's third law . newton 's third law :... | if the ball is applying the same force on the bat why does n't the bat moves away ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | how did newton figure out his third law ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | this means the rocket exerts a large backward force on the gas in the rocket combustion chamber , and the gas therefore exerts a large reaction force forward on the rocket . this reaction force is called thrust . it is a common misconception that rockets propel themselves by pushing on the ground or on the air behind t... | if a push a table , that means it will apply a reaction force on my my hand.if the table moves forward , should n't my hand move backwards due to the force applied by the table ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | newton 's third law : if an object a exerts a force on object b , then object b must exert a force of equal magnitude and opposite direction back on object a . this law represents a certain symmetry in nature : forces always occur in pairs , and one body can not exert a force on another without experiencing a force its... | [ was seen in paragraph 3 ] question ; how do we know that forces always occur in pairs ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | what would happen if newton 's third law did n't happen ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | they actually work better in a vacuum , where they can more readily expel the exhaust gases . helicopters similarly create lift by pushing air down , thereby experiencing an upward reaction force . birds and airplanes also fly by exerting force on air in a direction opposite to that of whatever force they need . | would a runner be able to run or would his force keep pushing at the ground with no result ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | why is lying in bed not an example of newton 's 3rd law ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | they actually work better in a vacuum , where they can more readily expel the exhaust gases . helicopters similarly create lift by pushing air down , thereby experiencing an upward reaction force . birds and airplanes also fly by exerting force on air in a direction opposite to that of whatever force they need . for ex... | what is the ability to act a force ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | the wall has exerted an equal and opposite force back on the swimmer . you might think that two equal and opposite forces would cancel , but they do not because they act on different systems . in this case , there are two systems that we could investigate : the swimmer or the wall . | what would happen if you kick a ball in space ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | so acceleration is really a different concept when dealing with newton 's third law ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . | if the moon and earth collide , the reactive and active forces are equal yet because the earth is far more massive it can withstand the impact , yet the moon is destroyed ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | the floor exerts a reaction force forward on the professor that causes her to accelerate forward . similarly , a car accelerates because the ground pushes forward on the drive wheels in reaction to the drive wheels pushing backward on the ground . you can see evidence of the wheels pushing backward when tires spin on a... | why is newtons third law implying the ground pushing the body in forward and upward direction ( given that runner is pushing the ground backward and downward ) not enough to explain the forward motion ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | as a professor paces in front of a whiteboard , she exerts a force backward on the floor . the floor exerts a reaction force forward on the professor that causes her to accelerate forward . similarly , a car accelerates because the ground pushes forward on the drive wheels in reaction to the drive wheels pushing backwa... | why do we need to invoke a forward frictional force to explain the motion ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | as a professor paces in front of a whiteboard , she exerts a force backward on the floor . the floor exerts a reaction force forward on the professor that causes her to accelerate forward . similarly , a car accelerates because the ground pushes forward on the drive wheels in reaction to the drive wheels pushing backwa... | what causes the genesis of the force ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | you might think that two equal and opposite forces would cancel , but they do not because they act on different systems . in this case , there are two systems that we could investigate : the swimmer or the wall . if we select the swimmer to be the system of interest , as in the image below , then $ f_ { \text { wall on... | could someone explain me the core difference lies ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | is n't newton 's third law also know as the the law of action-reaction ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | this law represents a certain symmetry in nature : forces always occur in pairs , and one body can not exert a force on another without experiencing a force itself . we sometimes refer to this law loosely as action-reaction , where the force exerted is the action and the force experienced as a consequence is the reacti... | would the swimmer be an example of this action/reaction ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what do examples involving newton 's third law look like ? example 1 : fridge push a person drives a cart , cart 1 , to the right while pushing another cart , cart 2 , that has a massive refrigerator on it . the total mass of cart 2 , cart plus fridge , is three times the total mass of cart 1 , cart plus person . if th... | the force on cart 2 exerted by cart 1 is equal in magnitude to the force on cart 1 exerted by cart 2. i have a question regarding that answer even though i chose it and i know it is the right answer , did n't we say that the acceleration from the earth to our bodies is less than our acceleration to the earth because of... |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | they actually work better in a vacuum , where they can more readily expel the exhaust gases . helicopters similarly create lift by pushing air down , thereby experiencing an upward reaction force . birds and airplanes also fly by exerting force on air in a direction opposite to that of whatever force they need . for ex... | so my question is .. is n't the acceleration a force that should be considered and dealt with as a vector force ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | how is the mass not considered a factor in newton 's third law ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | as a professor paces in front of a whiteboard , she exerts a force backward on the floor . the floor exerts a reaction force forward on the professor that causes her to accelerate forward . similarly , a car accelerates because the ground pushes forward on the drive wheels in reaction to the drive wheels pushing backwa... | why would the box keep accelerating forward ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what do examples involving newton 's third law look like ? example 1 : fridge push a person drives a cart , cart 1 , to the right while pushing another cart , cart 2 , that has a massive refrigerator on it . the total mass of cart 2 , cart plus fridge , is three times the total mass of cart 1 , cart plus person . | in example 1 , do the forces net out and is that why the carts are able to move to the right ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | is doing push-ups a fine example of newton 's third law ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | if we select the swimmer to be the system of interest , as in the image below , then $ f_ { \text { wall on feet } } $ is an external force on this system and affects its motion . the swimmer moves in the direction of $ f_ { \text { wall on feet } } $ . in contrast , the force $ f_ { \text { feet on wall } } $ acts on ... | for the swimmer example , is the wall not accelerating because it is more massive than the swimmer ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what do examples involving newton 's third law look like ? example 1 : fridge push a person drives a cart , cart 1 , to the right while pushing another cart , cart 2 , that has a massive refrigerator on it . the total mass of cart 2 , cart plus fridge , is three times the total mass of cart 1 , cart plus person . if th... | aren`t the force by the wheel of cart 1 and 2 be equal ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | they actually work better in a vacuum , where they can more readily expel the exhaust gases . helicopters similarly create lift by pushing air down , thereby experiencing an upward reaction force . birds and airplanes also fly by exerting force on air in a direction opposite to that of whatever force they need . for ex... | does the gravity pull everything with the same force ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | in another example , rockets move forward by expelling gas backward at high velocity . this means the rocket exerts a large backward force on the gas in the rocket combustion chamber , and the gas therefore exerts a large reaction force forward on the rocket . this reaction force is called thrust . | i ca n't understand one thing , when the rocket applies a large backward force on the rocket combustion does the rocket combustion chamber also apply an equal and opposite force on the gas ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | helicopters similarly create lift by pushing air down , thereby experiencing an upward reaction force . birds and airplanes also fly by exerting force on air in a direction opposite to that of whatever force they need . for example , the wings of a bird force air downward and backward in order to get lift and forward m... | also , when i exert 5n on a brick , why does n't some of that force get absorbed into the brick like energy does ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | the swimmer pushes against the pool wall with her feet and accelerates in the direction opposite to that of her push . the wall has exerted an equal and opposite force back on the swimmer . you might think that two equal and opposite forces would cancel , but they do not because they act on different systems . | my question is : would n't my finger then exert an equal and opposite force back on the brick again and would n't the brick again exert a force on my finger , and so on ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | newton 's third law : if an object a exerts a force on object b , then object b must exert a force of equal magnitude and opposite direction back on object a . this law represents a certain symmetry in nature : forces always occur in pairs , and one body can not exert a force on another without experiencing a force its... | force is applied only on one balance but how both the balances show the same readings ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | the swimmer pushes against the pool wall with her feet and accelerates in the direction opposite to that of her push . the wall has exerted an equal and opposite force back on the swimmer . you might think that two equal and opposite forces would cancel , but they do not because they act on different systems . | so why could we overcome friction if there is equal and opposite reaction ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | they actually work better in a vacuum , where they can more readily expel the exhaust gases . helicopters similarly create lift by pushing air down , thereby experiencing an upward reaction force . birds and airplanes also fly by exerting force on air in a direction opposite to that of whatever force they need . | how can you have an upward force of gravity ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | the swimmer pushes against the pool wall with her feet and accelerates in the direction opposite to that of her push . the wall has exerted an equal and opposite force back on the swimmer . you might think that two equal and opposite forces would cancel , but they do not because they act on different systems . | what proves that there is an equal occurrence ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | newton 's third law : if an object a exerts a force on object b , then object b must exert a force of equal magnitude and opposite direction back on object a . this law represents a certain symmetry in nature : forces always occur in pairs , and one body can not exert a force on another without experiencing a force its... | all forces between two objects must be the force of one on the other , but what in-differences these forces from any other ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what do examples involving newton 's third law look like ? example 1 : fridge push a person drives a cart , cart 1 , to the right while pushing another cart , cart 2 , that has a massive refrigerator on it . the total mass of cart 2 , cart plus fridge , is three times the total mass of cart 1 , cart plus person . | in example 1 , how the forces at on the fridge between cart1 ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | what is newton 's third law ? you probably know that the earth pulls down on you . | can you tell me the formula for elastic deformations whitch includes the third law of newton ? |
what is newton 's third law ? you probably know that the earth pulls down on you . what you might not realize is that you are also pulling up on the earth . for example , if the earth is pulling down on you with a gravitational force of 500 n , you are also pulling up on the earth with a gravitational force of 500 n. t... | this means the rocket exerts a large backward force on the gas in the rocket combustion chamber , and the gas therefore exerts a large reaction force forward on the rocket . this reaction force is called thrust . it is a common misconception that rockets propel themselves by pushing on the ground or on the air behind t... | if you pull on a desk with a force of 25 n what is the action force and the reaction force ? |
the artist 's niece staring out over her left shoulder , neck muscles strained by the severity of her pose , julia margaret cameron ’ s photograph mrs. herbert duckworth is a striking portrait of the artist ’ s niece . the deep shadows emphasize the curves of her cheek and neck , throwing a large portion of the photogr... | wet collodion photography at the age of 48 , cameron began to experiment with the collodion method of photography after receiving her first camera as a present from her daughter . creating a collodion print was an extremely difficult and hazardous process that required working with combustible materials in almost total... | was the photo at top made with the wet collodion process or was it made by other process ? |
guns , angels and fashion—three unexpected elements that co-exist in the master of calamarca ’ s painting archangel with gun , asiel timor dei . depictions of androgynous , stunningly attired , harquebus ( a type of gun ) carrying angels were produced from the late-seventeenth century through the nineteenth century in ... | the excess of textile in asiel timor dei indicates the high social status of its wearer . the elongated plumed hat is a symbol of inca nobility , as feathers were reserved for nobles and religious ceremonies in pre-hispanic society . the broad-brim hat on which the feathers are planted was in style in france and hollan... | how exclusive was cotton fabric in inca life ? |
key points : gene regulation is the process of controlling which genes in a cell 's dna are expressed ( used to make a functional product such as a protein ) . different cells in a multicellular organism may express very different sets of genes , even though they contain the same dna . the set of genes expressed in a c... | key points : gene regulation is the process of controlling which genes in a cell 's dna are expressed ( used to make a functional product such as a protein ) . different cells in a multicellular organism may express very different sets of genes , even though they contain the same dna . | why is the genetic code common to all organisms ? |
key points : gene regulation is the process of controlling which genes in a cell 's dna are expressed ( used to make a functional product such as a protein ) . different cells in a multicellular organism may express very different sets of genes , even though they contain the same dna . the set of genes expressed in a c... | you can learn more about how growth factor signaling works in the article on intracellular signal transduction . eukaryotic gene expression can be regulated at many stages in the articles that follow , we ’ ll examine different forms of eukaryotic gene regulation . that is , we 'll see how the expression of genes in eu... | is polycistronic mrnas are rare in eukaryotic gene expression ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | if the equation is not balanced , the mole ratios will be wrong , and the answers will not be correct . for example , the stoichiometric coefficients for the following balanced equation tell us that 1 mole of $ \text { fe } _2 \text o_3 $ will react with 2 moles of $ \text { al } $ to yield 2 moles of $ \text { fe } $ ... | `` 1 mole of fe2o3 '' can i say 1 molecule ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | how will you know if you 're suppose to place 3 there ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | one mole of h2so4 reacts with 2 moles of naoh.how does avogadro '' s number help to explain it ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | when you begin to start the the problem and convert the known reactants to moles where does the 3.10g come from ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | we are interested in calculating the amount of $ \text { naoh } $ , so we can use the mole ratio between $ \text { naoh } $ and $ \text h_2 \text { so } _4 $ . based on our balanced chemical equation , we need 2 moles of naoh for every 1 mole of $ \text h_2 \text { so } _4 $ , which gives the following ratio : $ \text ... | is mol a version of mole ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | the known quantity in this problem is the mass of $ \text h_2 \text { so } _4 $ . we can convert the mass of $ \text h_2 \text { so } _4 $ to moles using the molecular weight . given that the molecular weight of $ \text h_2 \text { so } _4 $ is 98.09 g/mol , we can find the moles of $ \text h_2 \text { so } _4 $ as fol... | what is the relative molecular mass for na ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | i thought the coefficient represented the number of molecules present and not the number of moles ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | that gives the following balanced reaction : $ 2 \text { naoh } ( aq ) + \text h_2 \text { so } _4 ( aq ) \rightarrow 2\text h_2 \text o + \text { na } _2 \text { so } _4 ( aq ) ~~~~ \text { balanced , hooray ! } $ once we have the balanced equation , we can ask ourselves the following questions : for which reactant ( ... | how do you know when an equation is unbalanced ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | introduction what do cookies and chemistry have in common ? many things , it turns out ! | sulphide is basically just sulphur right ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | we are interested in calculating the amount of $ \text { naoh } $ , so we can use the mole ratio between $ \text { naoh } $ and $ \text h_2 \text { so } _4 $ . based on our balanced chemical equation , we need 2 moles of naoh for every 1 mole of $ \text h_2 \text { so } _4 $ , which gives the following ratio : $ \text ... | its only when sulphur forms an ionic bond with another atom we write sulphur as sulphide ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | we can convert the mass of $ \text h_2 \text { so } _4 $ to moles using the molecular weight . given that the molecular weight of $ \text h_2 \text { so } _4 $ is 98.09 g/mol , we can find the moles of $ \text h_2 \text { so } _4 $ as follows : $ 3.10 \ , \cancel { \text g \ , \text h_2 \text { so } _4 } \times \dfrac ... | does the 98.09 grams come from the total added value of the atomic weights in the compound ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } \cancel { \text { mol } \ , \text { naoh } } \times \dfrac { 40.00\ , \text { g naoh } } { 1\ , \cancel { \text { mol naoh } } } =2.53 \ , \text { g naoh } $ we will ne... | also , what is the standard procedure for decimal rounding when adding atomic weights ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | the known quantity in this problem is the mass of $ \text h_2 \text { so } _4 $ . we can convert the mass of $ \text h_2 \text { so } _4 $ to moles using the molecular weight . given that the molecular weight of $ \text h_2 \text { so } _4 $ is 98.09 g/mol , we can find the moles of $ \text h_2 \text { so } _4 $ as fol... | generally in an examination , will one have to calculate the molecular mass of a compound ( in this case h2so4 ) by calculating the atomic masses of each of the atom and then adding it all up ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | also if yes , then does one get the atomic mass by converting from the a_r ( relative atomic mass ) given on he periodic table or is a value generally given in the question itself ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | we are interested in calculating the amount of $ \text { naoh } $ , so we can use the mole ratio between $ \text { naoh } $ and $ \text h_2 \text { so } _4 $ . based on our balanced chemical equation , we need 2 moles of naoh for every 1 mole of $ \text h_2 \text { so } _4 $ , which gives the following ratio : $ \text ... | in step two , how do you know which one ( 2 mol or 1 mol ) should be on top/bottom ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | if the equation is not balanced , the mole ratios will be wrong , and the answers will not be correct . for example , the stoichiometric coefficients for the following balanced equation tell us that 1 mole of $ \text { fe } _2 \text o_3 $ will react with 2 moles of $ \text { al } $ to yield 2 moles of $ \text { fe } $ ... | `` 1 mole of fe2o3 '' can i say 1 molecule ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | summary the coefficients from the balanced chemical reaction tell us the proportions of the reactants and products . we can use ratios of the coefficients to convert between amounts of reactants and products in our reaction . for more information on other common stoichiometric calculations , check out this exciting seq... | if 17.70g of ticl4 reacts in excess oxygen to form 13.40g cl2 , what is the percent yield of the reaction ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | if we needed more than 1 mol of something related to naoh , would we have the last step require that many moles in the denominator ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | introduction what do cookies and chemistry have in common ? many things , it turns out ! | what is the concentration ( m ) of a nacl solution prepared by dissolving 7.2g ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | we are interested in calculating the amount of $ \text { naoh } $ , so we can use the mole ratio between $ \text { naoh } $ and $ \text h_2 \text { so } _4 $ . based on our balanced chemical equation , we need 2 moles of naoh for every 1 mole of $ \text h_2 \text { so } _4 $ , which gives the following ratio : $ \text ... | if i have 2 mol of naoh , why am i only dividing 40gnaoh by 1 mol naoh ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | given that the molecular weight of $ \text h_2 \text { so } _4 $ is 98.09 g/mol , we can find the moles of $ \text h_2 \text { so } _4 $ as follows : $ 3.10 \ , \cancel { \text g \ , \text h_2 \text { so } _4 } \times \dfrac { 1 \ , \text { mol } \ , \text h_2 \text { so } _4 } { 98.09 \ , \cancel { \text g \ , \text h... | sorry if its a dumb question but when it says notice we can write the mole method 2 ways and there is a right and a wrong way what happens if you use the wrong way when conveting mole into naoh ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | a ) what mass of o2 is needed to completely react with all the al ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | b ) what mass of al oxide can be produced ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | we are interested in calculating the amount of $ \text { naoh } $ , so we can use the mole ratio between $ \text { naoh } $ and $ \text h_2 \text { so } _4 $ . based on our balanced chemical equation , we need 2 moles of naoh for every 1 mole of $ \text h_2 \text { so } _4 $ , which gives the following ratio : $ \text ... | ie : 2 mole of naoh = 2 ( 22.99 ( na ) +15.999 ( o ) +1.0079 ( h ) ) = 2 moles of naoh is 79.993g 1 mole of h2so4 = 2 ( 1.0079 ( h ) +32.065 ( s ) +4 ( 15.999 ) ( o ) ) = 1 mole of h2so4 is 98.0768 everything stays in grams and ... ( 79.993/98.0768 ) = ( x/3.10 ) = ( 98.0768x = 79.993 x 3.10 ) x=2.528g or is there more... |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | how many grams of iron metal do you expect to be produced when 305 grams of a 75.5 percent by mass iron ( ii ) nitrate solution react with excess aluminum metal ? |
introduction what do cookies and chemistry have in common ? many things , it turns out ! a balanced chemical equation is the recipe for a reaction : it contains a list of all the reactants ( the ingredients ) and products ( the cookies ) as well as their relative proportions . using a balanced chemical equation to calc... | for a video explaining how units can be treated as numbers for easier bookkeeping , you can watch this video on dimensional analysis . step 3 : convert moles to mass . we can convert the moles of $ \text { naoh } $ from step 2 to mass in grams using the molecular weight of $ \text { naoh } $ : $ 6.32 \times 10^ { -2 } ... | how are we dividing grams by grams and ending up with moles ? |
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