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- 1. Multiple Choice
What is the term for a detailed sequence of reaction steps?
Elementary step
Rate-determining step
Reaction mechanism
Intermediate
- 2. Multiple Choice
What is the term for a single step in a reaction?
Elementary step
Rate-determining step
Reaction mechanism
Intermediate
- 3. Multiple Choice
What is the term for the slowest step in a reaction?
Elementary step
Rate-determining step
Reaction mechanism
Intermediate
- 4. Multiple Choice
What is the term for a species that does not appear in a rate law because it is formed and then used up?
Catalyst
Intermediate
Molecularity
Substrate
- 5. Multiple Choice
Answer the question in the picture.
Unimolecular
Bimolecular
Trimolecular
Tetramolecular
- 6. Multiple Choice
What is the term for a substance which speeds up rate without being permanently changed?
Catalyst
Intermediate
Molecularity
Substrate
- 7. Multiple Choice
How do catalysts work?
Lower activation energy
Decrease gas constant
Increase frequency factor
Increase the temperature of the reaction
- 8. Multiple Choice
What type of reaction can proceed in either direction?
A reaction at equilibrium
Bimolecular reaction
An aqueous reaction
Reversible reaction
- 9. Multiple Choice
In a homogeneous equilibrium, all reactants and products are in the same phase. Which of the following phases could they be in?
Liquid
Solid
Gas
Solution
- 10. Multiple Choice
In a heterogeneous equilibrium, some parts do not appear in the equilibrium constant expression. Which of the following will NOT appear in this expression.
Pure Liquid
Solid
Gas
Aqueous
- 11. Multiple Choice
When a system at equilibrium is disturbed, it will react in such a way as to counteract the disturbance and return to equilibrium. What is this called?
Henry's Law
Le Chatelier's Principle
The Equilibrium Maintenance Principle
Daoult's Law
- 12. Multiple Choice
Which of the following will affect the equilibrium constant, K?
Addition of reactant
Removal of product
Change in temperature
Change in pressure (for gases only)
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