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( gentle piano music ) we 're looking at the bas-reliefs of the arch of titus , the most famous of which show the spoils of jerusalem being brought into rome in the great triumphal parade honoring the general , soon to be , emperor , titus , at his great victory at destroying jerusalem . a triumphal arch is something... | yes , a guy named simon , son of giora , who was one of the rebels of jerusalem , was killed at the end . in art history , when we look at the arch of titus relief , we sometimes miss the violence , and we tend to talk about it informally because , in so many ways , it exemplifies ancient roman art . the figures are ... | i am curious , was this relief also brightly painted like many other greek and roman relieves , or was it actually made in plain white marble the way we see it today ? |
( gentle piano music ) we 're looking at the bas-reliefs of the arch of titus , the most famous of which show the spoils of jerusalem being brought into rome in the great triumphal parade honoring the general , soon to be , emperor , titus , at his great victory at destroying jerusalem . a triumphal arch is something... | a triumphal arch is something through which the emperor would enter with booty , with lots of attendants and soldiers and prisoners of war . i mean , this was a big moment of celebrating victory in rome . at the end of which the general of the losing army would be ceremonially murdered . | what does samaritans and polythiests mean ? |
( gentle piano music ) we 're looking at the bas-reliefs of the arch of titus , the most famous of which show the spoils of jerusalem being brought into rome in the great triumphal parade honoring the general , soon to be , emperor , titus , at his great victory at destroying jerusalem . a triumphal arch is something... | a triumphal arch is something through which the emperor would enter with booty , with lots of attendants and soldiers and prisoners of war . i mean , this was a big moment of celebrating victory in rome . at the end of which the general of the losing army would be ceremonially murdered . | what other previous civilization artifacts did the romans plunder and bring back to rome ? |
( gentle piano music ) we 're looking at the bas-reliefs of the arch of titus , the most famous of which show the spoils of jerusalem being brought into rome in the great triumphal parade honoring the general , soon to be , emperor , titus , at his great victory at destroying jerusalem . a triumphal arch is something... | in that temple are holy objects . where most peoples would have a different temple in each city , so there 'd be a temple for my god here , and i 'd go to another city , there 'd be another god . jews only had one , and so they had special rights , for example , in the roman empire , to send back their donations , fr... | did herod make another copy or is this the original ? |
( gentle piano music ) we 're looking at the bas-reliefs of the arch of titus , the most famous of which show the spoils of jerusalem being brought into rome in the great triumphal parade honoring the general , soon to be , emperor , titus , at his great victory at destroying jerusalem . a triumphal arch is something... | where non-jews would have put the images of their divinities , jews put their holy objects that served the divinity , but , when the romans came and took judea , the last of the jewish kings , a fellow named mattathias antigonus , minted a coin and on one side there was a menorah , on the other side was the table . af... | did his long formal name , long like most roman emperors , include his father 's name or are the coins mixed up so that one 's actually vespasian 's ? |
erving goffman was a famous sociologist in the 1940 's . and he studied people and the nature of their interactions . so while he was observing people in their social settings he noticed a lot of interesting things . he noticed that people planned their conduct . they want to guide and control how they 're seen . they ... | so while he was observing people in their social settings he noticed a lot of interesting things . he noticed that people planned their conduct . they want to guide and control how they 're seen . | i call the front stage , games people play ... people lie on average the most during face to face encounters then phone to phone encounters then emails the least of the three ; why do you think people lie the least on emails ? |
erving goffman was a famous sociologist in the 1940 's . and he studied people and the nature of their interactions . so while he was observing people in their social settings he noticed a lot of interesting things . he noticed that people planned their conduct . they want to guide and control how they 're seen . they ... | and he 's just , you know , he 's not as cool as he says he is . but that 's just an interesting thought you know . now people are often taking , in their private lives , putting on a front and sort of going back on the stage . so these two are kind of related in that way . | what happens when i always present my back stage even in front of other people whom i do n't know ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . | what are some examples of phospholipids besides semi-permeable cell membranes ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | and all of this is held together by glycerol backbone . but what does that really mean ? what dose is picture actually look like down to a molecule ? | at this point , why is not really a `` phosphatidyl-ethyl-amine '' ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | and just to wrap up , we need to talk about one brief thing . so we have our phospholipids like this . now , this so-called r-group is made up of a really long chain of carbons . | why phospholipids form a thin layer on surface of a aqueous solution ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | and it has that really long carbon chain which we 're just going to call an r-group . the next one is our glycerol backbone , and glycerol is a pretty basic structure . it looks like this . | how does the glycerol molecule bond with the entire structure if a 1 glycerol is already needed ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | it has three carbons attached to three hydroxyl groups -- three alcohol groups . and there 's only one glycerol in each phospholipid . a the last one is our phosphate group , that big polar head group that we talk about . | can more than one other molecule ( serine , glycerol , etc ) be added to the phosphate molecule or can only one other be an addition ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | and you 'll notice that in this last one , there are actually two phosphatidyl p groups that actually bond to a middle gylcerol . and again , unless you 're someone who really researches the cell membrane , you probably do n't need to know these structures by heart , but what we do need to know is that the phospholipid... | may i know why the plasma membrane are unable to packed closely together ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | it has three carbons attached to three hydroxyl groups -- three alcohol groups . and there 's only one glycerol in each phospholipid . a the last one is our phosphate group , that big polar head group that we talk about . | what exactly is the phospholipid bilayer made out of ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | and you 'll notice that in this last one , there are actually two phosphatidyl p groups that actually bond to a middle gylcerol . and again , unless you 're someone who really researches the cell membrane , you probably do n't need to know these structures by heart , but what we do need to know is that the phospholipid... | how water pass across cell membrane , cell memb have hydrophilic head but inside that hydrophobic area then how pass water into the hydrophobic area ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | and it has that really long carbon chain which we 're just going to call an r-group . the next one is our glycerol backbone , and glycerol is a pretty basic structure . it looks like this . | why does the glycerol have two oh and one ho ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | and just to wrap up , we need to talk about one brief thing . so we have our phospholipids like this . now , this so-called r-group is made up of a really long chain of carbons . | what are the functions of these various forms of phospholipids , in terms of what they do for our body functioning ? |
in this video , we 're going to actually explore in detail the structure of phospholipids in our cell membrane . just to briefly remind us , our phospholipid is often drawn like this . it has that polar phosphate head group , and it has two fatty acid chains . and all of this is held together by glycerol backbone . but... | and just to wrap up , we need to talk about one brief thing . so we have our phospholipids like this . now , this so-called r-group is made up of a really long chain of carbons . | is there any type of bonding between adjacent phospholipids ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 milliliters of 0.485 molar sodium hydroxide to reach the equivalence point . what is the mass of oxalic acid , and what is its mass percent in the sample ? | did sal just skip the first one and calculate the second equivalence point ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so it 's 88 plus 2 more is 90 grams . so if you had a mole of oxalic acid , it would be 90 grams . so we could say 90 grams per mole of h2c2o4 . | would it make sense to find the first equivalence point by saying there is 1 mole of oxalic acid for every 1 mole of naoh ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | and once the reaction happens , this guy will have lost both of the hydrogen protons , so let me draw that . so it will look like this . no more hydrogen , so it 's c2o4 . | what does the chemical equation look like ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | and then , the hydroxide nabs the protons , and then you are left with just water . so plus 2 moles -- or 2 molecules depending on how we 're viewing this -- plus two waters . i 'll just use that same orange color . | is there a difference between moles and molecules ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | and then you color . so we need two moles of sodium hydroxide , we got that from our balanced equation right there , and it 's obvious it needs one mole , or one molecule will take this proton , and then you need another molecule to take that proton . so we need two moles of sodium hydroxide for every one mole of oxali... | is there a specific order of listing atoms in molecule sequence ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . | in other words , why is h2o not written as oh2 ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | well we have two hydrogens , so that 's going to be two grams , right ? 2 times 1 gram . that 's the hydrogens there . | 1 ) 4g of naoh is mixed with 1.5l of a solution which has a ph of 1.54 , what is the new ph ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | all right , let me just multiply these two numbers . so we have 0.03447 times 0.485 is equal to -- let me put this down here -- 0.167 . and we only have three significant digits here , so we 're going to round to three significant digits . | 2 ) a solution of 4ml of lioh of 0.5m and 15ml of 0.1m of h are mixed , what is the new ph ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | well we have two hydrogens , so that 's going to be two grams , right ? 2 times 1 gram . that 's the hydrogens there . | what volume of 0.1 moldm-3 hcl would be required to dissolve 2.3 gof calcium carbonate ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so it 's 88 plus 2 more is 90 grams . so if you had a mole of oxalic acid , it would be 90 grams . so we could say 90 grams per mole of h2c2o4 . | how would i find the hydromium when are given the concentration and volume of both the weak acid and strong and ka is given as well ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 milliliters of 0.485 molar sodium hydroxide to reach the equivalence point . | base only representative of one deprotonation of the acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so that has two hydrogens -- so it 's h2 -- two carbons , and then four oxygens -- o4 . it 's dissolved in water , so it 's an aqueous solution . and to that , we 're going to add sodium hydroxide . | i thought the second proton was n't removed in an aqueous solution , or maybe only with water and not combined with a base ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | and it 's actually resident stabalized . if that does n't mean anything to you , do n't worry . you 'll learn more about that in organic chemistry . | what does `` conjugate '' mean ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so 7 -- .752 . this is equal to 0.752 grams of oxalic acid : h2c2o4 . and i think we 've answered part of the question . so the first question is , what is the mass of oxalic acid ? we 've just answered it . | what is oxalic acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 milliliters of 0.485 molar sodium hydroxide to reach the equivalence point . | how big can the acid get ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so the answer to the second part right over there is , 72.7 % . we were able to figure out that this impure oxalic acid sample is 72.7 % actual oxalic acid . | what 's an oxalic acid and how does it differ from a regular acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 milliliters of 0.485 molar sodium hydroxide to reach the equivalence point . | why phenolphthalein is used as an indicator when a strong base is used in the titration ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so we have the number of moles , but we to figure out the mass . and we know the molar mass of oxalic acid . let me write these down . | how is one going to know it takes 2naoh to neutralize the oxalic acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 milliliters of 0.485 molar sodium hydroxide to reach the equivalence point . | if i were to perform an acid-base titration , would the dissolved ammonium sulfate distort the calculations of my titration ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . | why are there no equilibrium constants for acids and bases ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so we have the number of moles , but we to figure out the mass . and we know the molar mass of oxalic acid . let me write these down . | what is the molecular formula of oxalic acid , gram molecular mass 90g/mol ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | they are attracted to each other . they are still in an aqueous solution . and then , the hydroxide nabs the protons , and then you are left with just water . | do they stay an aqueous solution throughout no matter what happens during the equation ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so the answer to the second part right over there is , 72.7 % . we were able to figure out that this impure oxalic acid sample is 72.7 % actual oxalic acid . | what 's an oxalic acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | that 's what the molarity tells us . we have 0.485 moles per liter . so the liters cancel out , and then now we 're going to actually have to get a calculator out . | so m is moles per liter ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so the answer to the second part right over there is , 72.7 % . we were able to figure out that this impure oxalic acid sample is 72.7 % actual oxalic acid . | why will the oxalic acid have lost both of its hydrogen 's ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | now each molecule of sodium hydroxide -- remember when you put it in the water it really just dissolves , and you can really just think of it as hydroxide -- each molecule of hydroxide can nab one of the hydrogen protons . so for every one molecule of oxalic acid , you 're going to need two hydroxides -- one to nab thi... | how is one going to know it takes 2naoh to neutralize ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so 7 -- .752 . this is equal to 0.752 grams of oxalic acid : h2c2o4 . and i think we 've answered part of the question . so the first question is , what is the mass of oxalic acid ? we 've just answered it . | what is oxalic acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | i 'll just use that same orange color . plus two h2os . one of the hydrogens in each of the water molecules are coming from the oxalic acid , and so two of these hydrogens in these two moles of the water are coming from one entire molecule of oxalic acid . | how are you left with just two waters ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 milliliters of 0.485 molar sodium hydroxide to reach the equivalence point . | how do you balance the reaction of ammonia with sulfuric acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so this is going to be equal to 0.0167 , and all we have left here are moles of sodium hydroxide . now we know that this many moles of sodium hydroxide are going to completely react with however many moles of oxalic acid we have . now we know that we need two moles of this for every mole of oxalic acid . | i think i have to use m1v1=m2v2 what volume , in ml , of 2m hydrobromic acid required to react completely with .1 moles of magnesium bromide ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so let 's figure out how many actual molecules of sodium hydroxide we have . this is the solution . and we know its concentration , 0.485 molar -- so let me do that in a different color -- 0.485 molar , this information allows us to figure out the actual molecules of sodium hydroxide . | the question is what is the ph and poh of a solution by adding 400ml of water to 350ml of 5.0e-3 solution of naoh ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so the answer to the second part right over there is , 72.7 % . we were able to figure out that this impure oxalic acid sample is 72.7 % actual oxalic acid . | what 's the difference between impure and pure oxalic acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so we have the number of moles , but we to figure out the mass . and we know the molar mass of oxalic acid . let me write these down . | and before , how are we supposed to know that the acid was completely deprotonated ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 milliliters of 0.485 molar sodium hydroxide to reach the equivalence point . what is the mass of oxalic acid , and what is its mass percent in the sample ? | so , does n't reaching the equivalence point mean reaching the first equivalence point ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so let 's figure out how many actual molecules of sodium hydroxide we have . this is the solution . and we know its concentration , 0.485 molar -- so let me do that in a different color -- 0.485 molar , this information allows us to figure out the actual molecules of sodium hydroxide . | when using the indicator phenolphthalein , why does the pink from contact change slower , back to colorless , the closer the solution gets to neutralization ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | and once the reaction happens , this guy will have lost both of the hydrogen protons , so let me draw that . so it will look like this . no more hydrogen , so it 's c2o4 . | when writing the chemical name , does it matter the order of the elements , like are h2o and oh2 the same ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | they are still in an aqueous solution . and then , the hydroxide nabs the protons , and then you are left with just water . so plus 2 moles -- or 2 molecules depending on how we 're viewing this -- plus two waters . | why does the hydroxide nabs the protons ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so the answer to the second part right over there is , 72.7 % . we were able to figure out that this impure oxalic acid sample is 72.7 % actual oxalic acid . | at .24 in the video , is oxalic acid a acid on the periodic table ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so the answer to the second part right over there is , 72.7 % . we were able to figure out that this impure oxalic acid sample is 72.7 % actual oxalic acid . | what is an oxalic acid ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so the answer to the second part right over there is , 72.7 % . we were able to figure out that this impure oxalic acid sample is 72.7 % actual oxalic acid . | should not all the oxalic acid be consumed by the naoh at the equivalence point , as sal said in previous video ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | 2 times 1 gram . that 's the hydrogens there . we have two carbons , so it 's going to be plus 24 grams . | where do the hydrogens come from ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | and then you color . so we need two moles of sodium hydroxide , we got that from our balanced equation right there , and it 's obvious it needs one mole , or one molecule will take this proton , and then you need another molecule to take that proton . so we need two moles of sodium hydroxide for every one mole of oxali... | is there a specific order of listing atoms in molecule sequence ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 milliliters of 0.485 molar sodium hydroxide to reach the equivalence point . | are there any videos available on using ice tables to calculate acid base equilibria/titrations ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | so it 's 88 plus 2 more is 90 grams . so if you had a mole of oxalic acid , it would be 90 grams . so we could say 90 grams per mole of h2c2o4 . | if the impurity is an unknown acid , would n't these results be compromised ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | well the sample of impure oxalic acid right over here , was 1.034 grams . so we just have to say , what percentage is 0.752 of 1.034 ? so let 's get the calculator back . | why is the formula for mass percent ( 0.752 / 1.034 ) ? |
i 've taken this problem from chapter 4 of the chemistry & chemical reactivity book by kotz , treichel and townsend , and i 've done it with their permission . so let 's do this example . a 1.034 gram sample of impure oxalic acid is dissolved in water and an acid-base indicator added . the sample requires 34.47 millili... | well the sample of impure oxalic acid right over here , was 1.034 grams . so we just have to say , what percentage is 0.752 of 1.034 ? so let 's get the calculator back . | do n't you have to divide by total mass , as in ( 0.752 / ( 0.752 + 1.034 ) ) ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | helium has two which is full for the first shell , and so it 's very hard to remove an electron from here , and so it has a very high ionization energy . low energy , easy to remove electrons . or especially the first electron , and then here you have a high ionization energy . | if we can add/ remove electrons in an element then is it possible to artificially add/ remove protons also of the same element ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and so , when we talk about a positive ion like this where our protons are more than our electrons , the number of protons are more than the number of electrons , we call these cations , cations . cation , once again , just another word positive ion . likewise , we can have negative ions . | where do the names-cation and anion come from ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and there are these little dips here which you could think about why these ... ( mumbling ) or theorize why these dips are occurring , what you see in this general trend as we go from alkali metals to noble gases . alkali metals to noble gases . alkali metals to noble gases . | why do the dips occur in the general trend from alkali metals to noble gases ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it could 've even been called cationization energy because you... | ionization energy only serves to remove an electron ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and so , you see the general trend that your alkali , your alkali metals are very low ionization energy . your noble gases , very high ionization energy . but as they get , as the atoms get larger and larger the ionization energy goes lower and lower , and sends something like radon , which even though it 's noble gas ... | how come mercury has a high ionization energy ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and so , you see the general trend that your alkali , your alkali metals are very low ionization energy . your noble gases , very high ionization energy . but as they get , as the atoms get larger and larger the ionization energy goes lower and lower , and sends something like radon , which even though it 's noble gas ... | which one of the following needs more ionization evergy the element tc , or ir ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | in particular , how hard it is to turn them into cations . and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it ... | how does ionization energy work ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | in particular , how hard it is to turn them into cations . and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it ... | what is an ionization energy ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | cation , once again , just another word positive ion . likewise , we can have negative ions . so , say for example , fluorine . | so which ion would have higher ionization energy , ions of k or ions of sr ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | helium has two which is full for the first shell , and so it 's very hard to remove an electron from here , and so it has a very high ionization energy . low energy , easy to remove electrons . or especially the first electron , and then here you have a high ionization energy . | if ionization energy is used to remove electrons , which energy is used to add electrons ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | why ? because if they lose an electron they get to the electron configuration of the noble gas before it . so , if lithium loses an electron then it has an outer shell electron configuration of helium . it has two outer electrons and that 's kind of , we typically talk about the octet rule but if we 're talking about c... | what is the difference between electron affinity and electronegativity ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | in particular , how hard it is to turn them into cations . and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it ... | i understand the trends , however , how does an `` octet '' impacts ionization energy ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it could 've even been called cationization energy because you... | and if the ionization energy is the amount of energy required to take an electron from an atom , is the ionization energy equal to the work functions ( at least in metals ) ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | so , now , once we get , once we get to the , once we get over here we 're now adding all of the d block elements . ( mumbling ) on the fourth period and so we have those , we have those added here , so you have d block elements , d block elements , and then here you have you f and d block elements . and so , you see t... | can you use that chart to predict future discoveries of more elements ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | helium has two which is full for the first shell , and so it 's very hard to remove an electron from here , and so it has a very high ionization energy . low energy , easy to remove electrons . or especially the first electron , and then here you have a high ionization energy . | in elements like mg or ca with 2 valence electrons , would the ionisation energy increase for removing the second electron ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | because if they lose an electron they get to the electron configuration of the noble gas before it . so , if lithium loses an electron then it has an outer shell electron configuration of helium . it has two outer electrons and that 's kind of , we typically talk about the octet rule but if we 're talking about charact... | so if a lithium atom loses an electron , is it still considered lithium ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | but all the rest of 'em , sodium , potassium , etc. , etc. , if you take an electron away from them then their outermost shell , well , all of them in their outermost shell they 're going to have the electron configuration of the noble gas before it and for sodium on down that outer shell is going to have that perfect ... | or would it be considered helium ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and you can have negative ions if the number of electrons are greater than the number of protons . for example , for example , if you just had hydrogen in it 's neutral state has one proton and one electron , but if you were to take one of those electrons away then hydrogen would have a positive charge and essentially ... | is there a difference between a hydrogen cation and a proton ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it could 've even been called cationization energy because you... | which element has the lowest ionisation energy ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | but on this one in particular we see on this axis we have ionization energy and electron volts , that 's actually , it 's literally a , this is units of energy . you could convert it to joules if you like . then over here , we 're increasing the atomic numbers . | how to convert electron volts ( ev ) to joules ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | in particular , how hard it is to turn them into cations . and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it ... | how can you tell what the ionization of an energy is just by looking at the periodic table ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | in particular , how hard it is to turn them into cations . and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it ... | why do we have irregularities in the increase of ionization energy in a given period ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | but all the rest of 'em , sodium , potassium , etc. , etc. , if you take an electron away from them then their outermost shell , well , all of them in their outermost shell they 're going to have the electron configuration of the noble gas before it and for sodium on down that outer shell is going to have that perfect ... | but if the hydrogen ion gained an electron , then its valence electrons would imitate helium , and it should be stabilized that way too , right ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and you can see it if , you could see in a trend of actual measured ionization energies and i like to see charts like this because it kind of show you where the periodic table came from when people noticed these kind of periodic trends . it 's like , hey , it looks like there 's some common patterns here . but on this ... | why do n't we ever hear about hydrogen taking electrons , say from sodium or potassium , like the halogens do ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | why ? because if they lose an electron they get to the electron configuration of the noble gas before it . so , if lithium loses an electron then it has an outer shell electron configuration of helium . | why do elements try to get to a noble gas configuration ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | they do n't want no one , they do n't want their electron configurations messed with . so , it would be very hard ... neon on down has their eight electrons that ( mumbling ) octet rule . | out of f and f anion which is tougher to ionize considering the fact that it would be tough to ionize f anion as it has gained its octet configuration ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | because if they lose an electron they get to the electron configuration of the noble gas before it . so , if lithium loses an electron then it has an outer shell electron configuration of helium . it has two outer electrons and that 's kind of , we typically talk about the octet rule but if we 're talking about charact... | when an element loses an electron , does the proton number change as well ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | in particular , how hard it is to turn them into cations . and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it ... | is the work function just a specific effect of the ionization energy ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and the way that i remember this is a kind of means the opposite or the negation of something . so , this is a negative ion . we 've negating , you can somehow think we are negating the ion . | so , as hydrogen can become an ion and form a compound with someone , so can radon ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | in particular , how hard it is to turn them into cations . and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it ... | why is ionization energy of chlorine anion ( cl- ) more than ionization energy of fluorine anion ( f- ) ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | so , if lithium loses an electron then it has an outer shell electron configuration of helium . it has two outer electrons and that 's kind of , we typically talk about the octet rule but if we 're talking about characters like lithium or helium they 're happy with two 'cause you can only put two electrons in that firs... | are the dips because of the different orbitals ( there is a dip after two for s , 3 for p etc ... ) ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | so , it could 've even been called cationization energy because you really see energy required to remove an electron and make the overall atom more positive . so , let 's think about the trends . and we already have a little bit of background on the different groups of the periodic table . | if so , can you please let me know why these orbitals cause dips ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it could 've even been called cationization energy because you... | is n't ionization energy defined as the energy required to remove one mole of electrons from one mole of atoms or cations in the gaseous state ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | so , let me just write down this is ... so , when i say low , i 'm talking about low ionization energy . low . | if the ionization energy is low for an element , does that mean it is more reactive ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it could 've even been called cationization energy because you... | if a halogen and alkali metal are ionically bonding , such as chlorine and sodium , where does the chlorine get the energy needed to take the electron away from the sodium ? |
so , let 's talk a little bit about a word you might have heard and that is ion . let 's talk about what it is and then we 'll talk about trends in the periodic table on , on i guess how hard it is to make something an ion . in particular how hard it is to make something a positive ion . so , an ion is just an atom or... | in particular , how hard it is to turn them into cations . and to think about that , we 'll introduce an idea called ionization energy . ionization ... ionization energy ... energy ... and this is defined , this is defined as the energy required , energy required to remove an electron , to remove an electron . so , it ... | what element is this , and why does it have an ionization energy equal to radon ? |
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