WorksheetsKinetics Review Quiz
Total questions: 25
Worksheet time: 14mins
Name
Class
Date
1.
Which is a factor that would not affect the rate of a reaction?
a)
Temperature
b)
Adding a catalyst
c)
Concentration
d)
The weather
2.
What is a catalyst?
a)
Something added to a reaction to slow it down
b)
Something added to a reaction to speed it up
c)
Something added to a reaction just for fun
d)
Something added to a reaction to change its concentration
3.
Which of the following are NOT factors that affect reaction rates
a)
concentration
b)
temperature
c)
catalyst
d)
all of the above are factors
4.
Slows down the reaction
a)
catalyst
b)
inhibitor
5.
The study of reaction rates and factors affecting these rates
a)
equilibrium
b)
kinetics
c)
complex
d)
collision
6.
States atoms, ion, and molecules must collide in order to react
a)
activation energy
b)
collision theory
c)
activation complex
d)
reaction rates
7.
The minimum amount of energy that reacting particles must have to form the activated complex
a)
activation energy
b)
activation comples
8.
Which way will the equilibrium shift if you...
Add N2
N2(g) + 3H2(g) <==> 2NH3(g)
Add N2
N2(g) + 3H2(g) <==> 2NH3(g)
a)
right
b)
left
9.
Which way will the equilibrium shift if you...
Remove NH3
N2(g) + 3H2(g) <==> 2NH3(g)
Remove NH3
N2(g) + 3H2(g) <==> 2NH3(g)
a)
right
b)
left
10.
If you decrease the concentration of the reactions, the rate of reaction
a)
increases
b)
decreases
11.
If you increase the temperature of a system, the rate of reaction
a)
increases
b)
decreases
12.
Substances dissolve quicker when
a)
they are in a large chunk (small surface area)
b)
they are broken up into powder (large surface area)
13.
In order to collide, particles need
a)
enough energy and the right orientation
b)
enough energy and a catalyst
14.
Increasing the temperature causes particles to move
a)
faster
b)
slower
15.
Which sentence BEST describes collision theory?
a)
Particles collide at random and always react
b)
Collisions between particles often result in a reaction
c)
Reacting particles must collide with enough energy and the right orientation in order to react
d)
Collisions between molecules are sometimes needed before a reaction occurs
16.
This principle states that if a stress is applied to a system at equilibrium, the system shifts to relieve the stress.
a)
Le Chatelier's principle
b)
Avogadro's principle
17.
What happens to this system if pressure increases?
N2(g) + 3H2(g) ↔ 2NH3(g)
N2(g) + 3H2(g) ↔ 2NH3(g)
a)
shifts left
b)
shifts right
c)
no change
18.
What happens to this system if pressure decreases?
CO(g) + H2O(g) ↔ H2(g) + CO2(g)
CO(g) + H2O(g) ↔ H2(g) + CO2(g)
a)
shifts left
b)
shifts right
c)
no change
19.
What happens to this reaction if pressure increases?
PCl5(g) ↔ PCl3(g) + Cl2(g)
PCl5(g) ↔ PCl3(g) + Cl2(g)
a)
shifts left
b)
shifts right
c)
no change
20.
What happens to this reaction when temperature decreases?
N2(g) + 3H2(g) + heat ↔ 2NH3(g)
N2(g) + 3H2(g) + heat ↔ 2NH3(g)
a)
shifts left
b)
shifts right
c)
no change
21.
What happens to this equation as temperature increases?
PCl3(g) + Cl2(g) ↔ PCl5(g) + heat
PCl3(g) + Cl2(g) ↔ PCl5(g) + heat
a)
shifts left
b)
shifts right
c)
no change
22.
What happens to this equation as temperature increases?
2SO2(g) + O2(g) ↔ 2SO3(g) + heat
2SO2(g) + O2(g) ↔ 2SO3(g) + heat
a)
shifts left
b)
shifts right
c)
no change
23.
In the reaction below, what happens as H2 is removed?
H2(g) + I2(g) ↔ 2HI(g) + heat
H2(g) + I2(g) ↔ 2HI(g) + heat
a)
shifts left
b)
shifts right
c)
no change
24.
In the reaction below, what happens as HI is added?
H2(g) + I2(g) ↔ 2HI(g) + heat
H2(g) + I2(g) ↔ 2HI(g) + heat
a)
shifts left
b)
shifts right
c)
no change
25.
A chemical reaction that can occur in both the forward and reverse directions.
a)
chemical
b)
physical
c)
reversible
100 %
