
Review Collision Theory and Rate Laws
Authored by Nancy Olenchek
Science
9th - 12th Grade
NGSS covered
Used 4+ times

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18 questions
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1.
MATCH QUESTION
1 min • 5 pts
Match the following
change in [A] over change in t
instantaneous rate
k=1/s
Zero order reaction
independent variable is 1/[A]
First order reaction
data does not include rate
Integrated Rate Law
horizontal line on a rate vs time graph
Second order reaction
Tags
NGSS.HS-PS1-5
2.
MATCH QUESTION
1 min • 5 pts
Match the following
data includes rate and concentration
Second order reaction
plot is 1/[A] vs t
Initial Rate Law
negative because of decreasing [A]
First order reaction
plot is [A] vs t
instantaneous rate
plot is ln[A] vs t
Zero order equation
Tags
NGSS.HS-PS1-5
3.
MATCH QUESTION
1 min • 5 pts
Match the following
[A] does not affect rate
Second order rate law
rate=k[B]2
First order process
concentration changes the same as rate
Second order process
only integrated line with a +k
Zero order process
k=M-1s-1
2nd order linear equation
Tags
NGSS.HS-PS1-5
4.
MATCH QUESTION
1 min • 5 pts
Match the following
rate=k
First order integrated rate law line equation
[A]t = -kt + [A]0
Second order integrated rate law line equation
1/[A]t = kt + 1/[A]t
Zero order rate law
rate=k[A]
First order rate law
ln[A]t = -kt ln[A]0
Zero order integrated rate law line equation
Tags
NGSS.HS-PS1-5
5.
MATCH QUESTION
1 min • 5 pts
Match the following
False
Initial rates rate determination requires experimental data.
False
The constant k, used in the rate law, always has moles as part of it's units.
True
Rate laws are determined from reactant concentrations.
True
Rate laws are used to describe how reactants are used up and products are formed.
True
Integrated rate law curves always have a positive slope.
Tags
NGSS.HS-PS1-5
6.
CATEGORIZE QUESTION
3 mins • 5 pts
Organize these options into the appropriate categories
Groups:
(a) First Order
,
(b) Second Order
,
(c) Zero Order
rate=k[A][B]
dependent variable: ln[A] for integrated rate law
k=M/s
k=1/s
rate=k[A]
rate=k
dependent variable: 1/[A] for integrated rate law
dependent variable: [A} for integrated rate law
k=1/Ms
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The rate expression for a particular reaction is Rate = k[A][B]2.
If the initial concentration of B is increased from 0.1 M to 0.3 M, the initial rate will increase by which of the following factors?
3
27
4
6
9
Tags
NGSS.HS-PS1-5
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