Chapter 17 Quiz - Chemistry
10 Questions
| Total Attempts: 102
Questions and Answers
- 1.Every collision results in a completed reaction.
- A.
True
- B.
False
- 2.The likelihood of a completed reaction depends first on how energetic the initial collision is.
- A.
True
- B.
False
- 3.An increase in temperature always reduces reaction rate.
- A.
True
- B.
False
- 4.An increase in pressure (only relevant with gases) can increase the reaction rate.
- A.
True
- B.
False
- 5.A catalyst increases the reaction rate by ___________.
- A.
Decreasing the amount of space between particles
- B.
Reducing the activation energy of a reaction
- C.
Increasing the kinetic energy of the particles
- D.
Increasing the collision rate
- 6.The symbol, Ea, stands for ______.
- 7.The activation energy of a reaction is _______________.
- A.
The energy necessary to break old bonds
- B.
The amount of energy required to form new bonds
- C.
The potential energy of the reactants
- D.
The potential energy of the products
- 8.Static equilibrium within a system means that the forward reaction is progressing at the same rate as the reverse reaction.
- A.
True
- B.
False
- 9.Dynamic equilibrium of a system occurs when the products equal the reactants.
- A.
True
- B.
False
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