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let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . | who first named the ion and what does the word mean ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | you could refer to it various ways , but this is potassium chloride . you have a positively charged potassium and you have a negatively charged chlorine , which we would call a chloride . in the next few videos i 'll do many , many more examples of this and ones that will be a little bit more complicated . | okay , so what happens if cl becomes positively charged ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . | are all the compounds with 2 different atoms ionic compounds ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . | in ionic compounds is the cation always in front ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | so this we would refer to as chloride . now as you can imagine with potassium having a positive one charge or one plus charge and this having a negative charge , they 're going to be attracted to each other and they can actually form an ionic compound . the ionic compound they would form , we would write as , you 'd wr... | could the charge of the cation ( or the anion cuz they are equal ) in an ionic compound be more than one ( and if yes give me examples ) ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | so things in group , in the halides , which is this column right over here . so these are the halides . they have seven electrons in their outermost shell . | at about did sal mean to say halides instead of halogens ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | things that would really love to grab an electron . so things in group , in the halides , which is this column right over here . so these are the halides . | how can i know which column ( group ) is more eletronegative or tends to lose electrons ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . | who came up with the term `` cations and anions '' ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | so it 's able to grab an electron . when chlorine grabs an electron , it will be a negatively charged ion , so you could write it as chlorine one minus , but the way that we generally refer to an anion , a negatively charged ion , instead of just calling this the chlorine anion , we would call this chloride . so this w... | so chlorine becomes chloride ... what about the ones with `` ate '' at the end , like `` sulfate '' ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . | what do the endings mean ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . | is it true that uus is a halide ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | so these are the halides . they have seven electrons in their outermost shell . they would love to have eight , so they tend to be really good at grabbing electrons . | do atoms ( non-ions ) naturally have an equal amount of electrons relative to their protons ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | so you know the chloride part , you say okay , this is going to be an anion because instead of writing chlorine which is the name of this element , i wrote this ide at the end to say , `` hey , this is an anion , '' so i know that this is the chlorine anion , this is chloride , why did n't i do something similar for po... | is co2 an ionic compound ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . | so will the cation always be written first while writing an ionic bond ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | they would love to have eight , so they tend to be really good at grabbing electrons . and so let 's say we 're dealing with chlorine , and chlorine is able to ionize . so it 's able to grab an electron . | can chlorine have a charge of +1 ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . | what is the difference between nitrates and nitrites ? |
let 's get some practice now thinking about how ions typically form , how they might form compounds and how we name those compounds . so let 's start with something in group one . in this first column , this first column is often known as alkali metals . so let 's start with potassium . k is the symbol for potassium .... | and so let 's say we 're dealing with chlorine , and chlorine is able to ionize . so it 's able to grab an electron . when chlorine grabs an electron , it will be a negatively charged ion , so you could write it as chlorine one minus , but the way that we generally refer to an anion , a negatively charged ion , instead... | what is up with the `` electron shells '' and why do elements tend to grab or lose electrons ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . | could you do some chemical reactions/equations with carboxylic acids ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | it 's clearly not just a hexane , it 's a hexanoic acid , it has this carboxyl group right here . this is hexanoic acid . and we 're not done , because we still have this methyl carbon right over here , and it is on the -- we always want to start numbering at this carbonyl carbon . | like fisher esterification and acid chloride formation ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | one , two , three , four , five , six . it is at the number three carbon , so this is 3 methyl hexanoic acid . let 's do one more . | would you not have to assign a chirality for the third carbon on the 3 methyl hexanoic acid ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | they 're away from each other . so if you wanted to , you could also call this trans 3 heptenoic acid . and this will specify that these guys are on opposite ends . | is there a difference between the entgegen notation and that of trans ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | but if you wanted to rewrite or redraw this molecule , you could draw it like this . you have two carbons , just like this . this one has a hydrogen popping up like that ; that one has a hydrogen popping down like that . | why are there no carbons ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | they 're away from each other . so if you wanted to , you could also call this trans 3 heptenoic acid . and this will specify that these guys are on opposite ends . | what does trans mean and what is it used for ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . | do n't we have to specify where the carboxylic acid group was attached ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | let me put another carbon on there , just like that , and let 's say that there 's a methyl group . now clearly , a carboxylic acid , but to name it systematically we just want to find the longest carbon chain . so we have one , two , three , four , five , six carbons , so our prefix will be hex- , so it 's hexan . | how do i name a carboxylic acid connected to a benzen ring ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | it 's clearly not just a hexane , it 's a hexanoic acid , it has this carboxyl group right here . this is hexanoic acid . and we 're not done , because we still have this methyl carbon right over here , and it is on the -- we always want to start numbering at this carbonyl carbon . | what 's the structural formula of tartaric acid ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . | can carboxylic acid be called carbonyl compounds ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . | can carboxylic acid be called carbonyl compounds ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . | what is the 3e in the brakets means ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | they 're away from each other . so if you wanted to , you could also call this trans 3 heptenoic acid . and this will specify that these guys are on opposite ends . | in could you also use the e and z configuration for the alkene ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . | what would happen if a carboxylic acid reacts with a hydroxide compount ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | and we 're not done , because we still have this methyl carbon right over here , and it is on the -- we always want to start numbering at this carbonyl carbon . one , two , three , four , five , six . it is at the number three carbon , so this is 3 methyl hexanoic acid . | do the trans and cis naming is only used when we see the structure of the compound in three dimension ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | and we 're not done , because we still have this methyl carbon right over here , and it is on the -- we always want to start numbering at this carbonyl carbon . one , two , three , four , five , six . it is at the number three carbon , so this is 3 methyl hexanoic acid . | do the trans and cis naming is only used when we see the structure of the compound in three dimension ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | and we 're not done , because we still have this methyl carbon right over here , and it is on the -- we always want to start numbering at this carbonyl carbon . one , two , three , four , five , six . it is at the number three carbon , so this is 3 methyl hexanoic acid . | do the trans and cis naming is only used when we see the structure of the compound in three dimension ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | one , two , three , four , five , six , seven . so you could either name this 3 hepten , and i have n't finished it yet , i have n't put this final e over here . or you could name it hept 3 ene , just like that . | why ca n't we write hepten-3-oic acid ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | it 's clearly not just a hexane , it 's a hexanoic acid , it has this carboxyl group right here . this is hexanoic acid . and we 're not done , because we still have this methyl carbon right over here , and it is on the -- we always want to start numbering at this carbonyl carbon . | will the iupac name for hooc-ch2-ch2-ch2-cooh ... pentane-1,5-dioic acid or propane-1,3-dioic acid.. ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . | how come the link for `` carboxylic acids and derivatives '' does not work ? |
let 's systematically name some carboxylic acids , so let 's add a molecule that looked like this . clearly a carboxylic acid , we have a carboxyl group right over here . now to name it systematically , we do it just the way we 've named our simple alkenes . when we first learned how to name any organic molecule , you ... | you have two carbons , just like this . this one has a hydrogen popping up like that ; that one has a hydrogen popping down like that . and then this carbon over here has this big functional group over here . | why did we put the hydrogen molecules opposite to each other ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | what happens when the acceleration is n't constant ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | and so we have that . and then if we keep going , it says , `` starting from rest . '' so that 's saying that at the beginning when it starts , it 's at rest , which means it has zero for it 's initial velocity , it 's just sitting there . | what is the maximum height you can achieve , as a fraction of the starting height ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | and this one also has a delta x so we can rule that out . so that leaves this one . let 's see , it has velocity , the final velocity here , it has the initial velocity here , it has acceleration here , and then it also has time which is what we 're looking for . | how do you choose which equation to use when you have all of the variables except for one ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | let 's see , it has velocity , the final velocity here , it has the initial velocity here , it has acceleration here , and then it also has time which is what we 're looking for . so we can use this . we 've figured out that for this question right here , we can just use that top equation . all right , and then to cont... | so when you have all of the variables except for time , for example , how would you choose which equation to use because there is more than one possible equation ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | all right , so that means we 're looking for this now . right here , what 's this ? well , we 've already identified these different pieces that we know , and if we did the first part of the problem , we would actually have a value for delta x here . | ca n't we set the right side of the red equation equal to the right side of the blue equation and divide both sides by t ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | let 's look at this question . what is the car 's final velocity ? all right , so that means we 're looking for this now . | what is the final velocity of the second problem ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | and if you look and you check through here , let 's see , what is it ? so , yeah , it would actually end up being this one again . this is that equation that does n't have the change in position in it . | for question one , what would be the time taken to accelerate to 80 km/h ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | so that one 's a little bit more complicated , there 's more going on in here . but if we just start at the beginning and say , `` how long does it take ? '' that by itself is a question . | ( b ) how long is it in the air ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | so that one 's a little bit more complicated , there 's more going on in here . but if we just start at the beginning and say , `` how long does it take ? '' that by itself is a question . | like where you take the integral of adx=vdv ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | i see this one also has the final velocity . this one does n't have the final velocity . so let 's look at that . | why does n't dv simply become v ( vf-v0 ) like a ( xf-x0 ) ? |
in this video we 're going to go through a few examples of setting up some problems with constant acceleration . we 're not going to solve them , we 're just going to look at what we know and what the question is asking for and then identify which one of these equations over here will be the most useful for helping us... | so let 's keep going . so it accelerates from rest at a rate of 2.40 meters per second squared . so that 's telling us what the acceleration is , 2.40 meters per second squared . so let 's write that down , 2.40 meters per second squared , meters per second squared . | in which case is the formula ke=1/2 mv^2 used ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | why do we have the associative , commutative , and distributive properties ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | why are the associative law and the commutative law considered two different laws ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . | so what is the difference ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | why ca n't there be an associative property of division or subtraction ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | whats the difference between the commutative and the associative property ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | for the associative property to work , do you have to keep the numbers in the same order or can they be in a different order ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | so they have 12 times 3 in parentheses , and then they multiply that times 10 . now whenever something is in parentheses , that means do that first . so this literally says let 's do the 12 times 3 first . | do you need to have parentheses for something to be the associative property ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | what is the use of accosiative law of multiplcation ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | can the associative property be held for subtraction ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | are n't the commutative and associative laws kind of the same ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | what 's the difference between the associative and the commutative properties ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | hello , can someone tell me how to tell an associative by a commutative ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | other than the fact that one is for multiplication and the other for addition , is there really any difference between the associative laws for addition and multiplication ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | this is going to be equal to 360 . now , the associative law of multiplication , once again , it sounds like a very fancy thing . all that means is it does n't matter how we associate the multiplication or it does n't matter how we put the parentheses , we 're going to get the same answer , so let me write it down agai... | is n't the associative law of addition practiclly the same thing as the associative lawof mutipliation just on eis addition and the other is multipliation ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | you can view it as a 12 times 3 , which is 36 , but we still have this 0 here . so that is also equal to 360 . so it did n't matter how we associated the multiplication . | would ( 3w ) w equals 3w with w being to the power of 2 in the second half of the equation also be an example of the distributive property of multiplication ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | is the associative law just the commutative law in disguise or am i missing something ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . | what does the 'dot.. ' mean ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | what is the associative law of multiplication called when the parenthesis are being moved to surround two variables ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | is it still called the associative law of multiplication ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | so this literally says let 's do the 12 times 3 first . now , what is 12 times 3 ? it 's 36 . | would ( 3*5 ) *7*9*3/90 be the same as ( 90/3 ) *7*3*5 ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | can we mix communicative and associative property in one problem ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . | why is the letter x used a lot in algebra ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . | how were these laws created ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | what is the correct way of expressing associate law of multiplication ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | so that is also equal to 360 . so it did n't matter how we associated the multiplication . you can do the 12 times 3 first or you can do the 3 times 10 first . | why ca n't we use division in commutative ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | so this literally says let 's do the 12 times 3 first . now , what is 12 times 3 ? it 's 36 . | can someone help me list all different the ways of writing ( 9*5 ) *3 ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | the associative/commutative laws of addition/multiplication only comes into play if an expression one has one or the other types of operations ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | what 's the difference between the associative law and the commutative law ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | why does the associative property work for division in some examples but not others ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | how can you remember the difference with associative and commutative properties ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | what is the difference between associative and commutative ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | all that means is it does n't matter how we associate the multiplication or it does n't matter how we put the parentheses , we 're going to get the same answer , so let me write it down again . if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , tha... | if the problem is a ( b+c ) = a ( c+b ) then would it be considered commutative property of addition ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | in conjunction with that , a ( b*c ) = a ( c*b ) would follow suit with commutative property of multiplication , correct ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | can the associative law work with the expression 6/2*3 ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | it 's 36 . so this evaluates to 36 , and then we still have that times 10 over there . and we know the trick . | in this video sal says `` power of 10 '' , was that meant to say `` factor of 10 '' ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | if we were to do 12 times 3 times 10 , if we just wrote it like this without parentheses , if we just went left to right , that would essentially be exactly what we just did here on the left . but the associative law of multiplication says , you know what ? we can multiply the 3 times 10 first and then multiply the 12 ... | what 's the difference between associative law of multiplication and commutative law of multiplication ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | now , the associative law of multiplication , once again , it sounds like a very fancy thing . all that means is it does n't matter how we associate the multiplication or it does n't matter how we put the parentheses , we 're going to get the same answer , so let me write it down again . if we were to do 12 times 3 tim... | what is the answer to 8x + 56 = ? |
use the associative law of multiplication to write -- and here they have 12 times 3 in parentheses , and then they want us to multiply that times 10 -- in a different way . simplify both expressions to show they have identical results . so the way that they wrote it is -- let me just rewrite it . so they have 12 times ... | so let 's just verify it for ourselves . so 3 times 10 is 30 , and we still want to multiply the 12 times that . now , what 's 12 times 30 ? | why do you put a dot for multiply instead of the normal times sign ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | and people have known about this i guess ever since really people have been having cuts . i think probably with modern medicine , people have been a little bit more particular about actually classifying the symptoms , but this is n't anything new for someone to say that there 's some type of inflammation going on or so... | why does n't the body recognize the symptoms of an inflammatory response and release happy signals instead of making us think it is bad make us want to stop it ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | what 's the difference between acute and chronic inflammation ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | so these are capillary endothelial cells , and of course , right in here , we have our blood flowing and we 'll have red blood cells in here . these are red blood cells . maybe they 're flowing in that direction . | a question did come up however , he mentions b + t adaptive immune cells leaving the blood vessels , i was under the impression that b + t cells traveled to the lymph nodes and battled there ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | it 's actually the field of battle where all of the actors come and play , even the first line of defense of your skin , and then all of the actors , the nonspecific reactions of -- inflammatory response is normally categorized as nonspecific because it 's going to happen no matter what comes , but you have the nonspec... | what triggers the complement system ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | something has happened to me . and these are called chemokines . and chemokines are just a very general word , really , for small molecules or small proteins that cells release as a kind of signaling mechanism . | are chemokines and cytokines the same thing ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | the histamine has come in so now these guys get further apart . they get further apart and the actual capillary becomes larger . so this is where you get a lot of your swelling , because all of sudden , the capillary 's larger , more fluid , and actually , it gets smaller further down so it really encourages the fluid ... | when prof. sal talks about the increase in size of the capillary , and when the cells move further apart , thus allowing neutrophils and the lot to leave the capillary , ie : marginalisation to take place , would n't there be an equal chance that pathogens , unhandled in the first layer of defence , can get into our ca... |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | so these are capillary endothelial cells , and of course , right in here , we have our blood flowing and we 'll have red blood cells in here . these are red blood cells . maybe they 're flowing in that direction . | are platelets and red blood cells eukaryotic ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | it 's actually the field of battle where all of the actors come and play , even the first line of defense of your skin , and then all of the actors , the nonspecific reactions of -- inflammatory response is normally categorized as nonspecific because it 's going to happen no matter what comes , but you have the nonspec... | what does it mean when proteins of the nonspecific immune system get cleaved ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | it probably killed some cells . it 's also going to damage some of these skin cells and those skin cells are immediately going to start releasing chemicals , the ones that are still in a position to do so . they 're going to start releasing chemicals that are essentially chemical messengers that move through the -- wel... | why does the skin start to burn or heat up ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | what is lupus and how is it treated ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | everything is in cross-section . so these are capillary endothelial cells , and of course , right in here , we have our blood flowing and we 'll have red blood cells in here . these are red blood cells . maybe they 're flowing in that direction . | does the development of porous areas in the endothelial capillary cells allow pathogens to enter the blood stream and diffuse into the body ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | let 's see what happens . so let 's say someone pokes you with this nail dipped in cow manure . so it 's got all sorts of nasty stuff on it , pathogens on it , probably has a bunch of bacteria sitting in the cow manure . | what is it that causes a temperature when someone is infected with an infection and is puss a byproduct of the macrophages 'eating ' the invading organism ? |
we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | we 've all had cuts on our finger or wherever else on our body , and immediately that part of the body gets a little bit of redness , a little bit of swelling , some heat maybe , and , of course , there 'll be some pain associated with what 's going on there . and in general , this set of symptoms that we experience , ... | why does a bruise appear to be black or purple or whatever ? |
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