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AP Chemistry 1.3 Chemical Reaction Rates 189 Views


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Description:

AP Chemistry 1.3 Chemical Reaction Rates. What is the overall order of the reaction?

Language:
English Language

Transcript

00:00

Thank you We sneak and here's your shmoop du jour

00:05

brought to you by the rate law rule that says

00:08

you can't give a movie more than five stars or

00:11

more than two comes up all right Suppose that the

00:14

reaction between species a and b has the rate law

00:17

rate k a b squared what's the overall order of

00:20

the reaction and potential inches high own two three We

00:25

need to use the rate law to determine the reaction

00:27

border So let's look at this thing a little more

00:29

closely Rate law tells us how fast the chemical reaction

00:33

occurs K's the rate constant and beer the concentrations of

00:37

the reactant When it's like a kind of that memory

00:40

game right The blood more fun reaction order refers to

00:44

the exponents on the concentrations of the species In the

00:47

reaction we can look at the rate law to find

00:49

the reaction order with respect to each individual reactant as

00:52

well as for the overall reaction we'll hear The construction

00:56

of bee is raised in second tower and that means

00:58

the reaction is second order With respect to species be

01:02

we raise our own concentration We should be able to

01:04

See that there's no exponents written for species a which

01:08

means it's raised to the first power and the reaction

01:10

is first order With respect to species they will find

01:13

the overall reaction order We just add up the reaction

01:16

orders with respect to species a and b Last time

01:18

we checked one and two is three so the correct

01:21

answer is d i hope you'll give this video Six

01:24

stars Just keep it on the d l

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