Factors effecting the rate of a reaction

Question 1

What is the effect of temperature on the rate of a reaction?

Answer 1

Increasing the temperature generally increases the rate of a reaction.

Question 2

True or False: Higher concentration of reactants decreases the rate of a reaction.

Answer 2

False

Question 3

Fill in the blank: The presence of a __________ can increase the rate of a reaction without being consumed.

Answer 3

catalyst

Question 4

Which factor does NOT affect the rate of a reaction: temperature, pressure, or color?

Answer 4

color

Question 5

Short answer: How does surface area affect the rate of a reaction?

Answer 5

Increasing surface area increases the rate of a reaction.

Question 6

What happens to the reaction rate when reactant concentration is increased?

Answer 6

The reaction rate increases.

Question 7

True or False: A catalyst changes the equilibrium position of a reaction.

Answer 7

False

Question 8

Multiple choice: Which of the following factors can affect reaction rates? A) Temperature B) Concentration C) Surface area D) All of the above

Answer 8

D) All of the above

Question 9

Short answer: What is the relationship between reaction rate and activation energy?

Answer 9

Lower activation energy generally increases the reaction rate.

Question 10

Fill in the blank: The rate of a reaction is directly proportional to the number of __________ collisions.

Answer 10

effective