Ap Chem. Ch.14

Question 0

Chemical identity

• usually oppositely charged ions react ____.
• bonds with HIGH BOND ENERGIES are harder to break and _____.

Answer 0

Fast

Slower

Question 1

The more HOMOGENEOUS the mixture of reactants, the ______ the molecules can react.

Answer 1

Faster

Question 2

As the concentration of reactants increase

Answer 2

Collide

Question 3

At higher TEMPERATURES, reactant molecules have more kinetic energy, move faster, and ________more often and with_____energy.

Answer 3

Collide

Greater

Question 4

Each 10 degrees increase apporimately does what to the reaction rate?

Answer 4

Doubles it

Ex: if the temperature increses by 20 degrees, the rate of reaction is quadripuled.

Question 5

How do Catalysts speed up reactions?

Answer 5

By changing the mechanism of the reaction

Question 6

Catalysts are NOT part of the overall equation and ____ consumed during the course of the reaction.

Answer 6

Are not

Question 7

Except for substances in the gaseous state or solution, where do the reactions occur?

Answer 7

Reactions occur at the boundary between phases

Question 8

What happens to the rate of reaction as the suface area increases?

Answer 8

Increase in surface area increases the chance for collision, making the RATE FASTER!

Question 9

How can rates of reactions be determined?

Answer 9

By monotoring the change in concentration of either reactants or products as a function of time.