Section 17.1
A Model for Reaction Rates
Practice Test
1.
What is the term used to describe the minimum energy needed to form an activated complex?
SC.B.1.4.1
a.
potential energy
b.
temperature
c.
activation energy
d.
kinetic energy
Hint
2.
Use the data in the table to calculate the average reaction rate expressed in moles HCl produced per liter per second.
Time
s
H
2
M
Cl
2
M
HCl
M
0
0.03
0.05
0.55
10
0.005
0.025
0.05
SC.A.1.4.4
a.
0.0025 mol/
L s
b.
0.005 mol/
L s
c.
0.0500 mol/
L s
d.
0.002 mol/
L s
Hint
3.
Use the data in the table to calculate the average reaction rate expressed in moles H
2
consumed per liter per second.
Time
s
H
2
M
Cl
2
M
HCl
M
0
0.03
0.05
0.55
10
0.005
0.025
0.05
SC.A.1.4.4
a.
0.003 mol/
L s
b.
0.002 mol/
L s
c.
0.0025 mol/
L s
d.
0.030 mol/
L s
Hint
4.
What is the term given to a temporary arrangement of atoms that may produce either products or reactants?
a.
collision
b.
reactant
c.
activation energy
d.
transition state
Hint
5.
Use the data in the table to calculate the average reaction rate expressed in moles Cl
2
consumed per liter per second.
Time
s
H
2
M
Cl
2
M
HCl
M
0
0.03
0.05
0.55
10
0.005
0.025
0.05
SC.A.1.4.4
a.
0.003 mol/
L s
b.
0.0025 mol/
L s
c.
0.030 mol/
L s
d.
0.002 mol/
L s
Hint
6.
What Greek symbol is used to represent change?
a.
∈
b.
Δ
c.
→
d.
Σ
Hint
7.
Use the data in the table to determine how long it will take to completely consume 1L of 1M butyl chloride
C
4
H
9
Cl
, assuming the same reaction rate.
Molar Concentration of
C
4
H
9
Cl
C
4
H
9
Cl
at t= 0.00 s
C
4
H
9
Cl
at t= 4.00 s
0.220M
0.100M
SC.A.1.4.4
a.
33.3 s
b.
0.0300 s
c.
3.00 s
d.
0.300 s
Hint
8.
The term that describes the change in the concentration of a reactant divided by the change in time of the reaction is the ____________.
SC.A.1.4.4
a.
rate constant
b.
activated complex
c.
chemical reaction
d.
average reaction rate
Hint
9.
How much time has passed when 5 mol/L have reacted at an average rate of 0.5 mol/L·s?
a.
10 s
b.
100 s
c.
0.1 s
d.
1.0 s
Hint
10.
Which of the following is the theory that states that atoms, molecules, and ions must collide for a chemical reaction to occur?
SC.C.2.4.5
a.
collision theory
b.
accident theory
c.
reaction theory
d.
mechanism
Hint
