IF YOU CAN ANSWER ALL OF THESE YOU GET 50 PTS
#1 Which is usually associated with a faster reaction rate?
A. adding a catalyst to the reactants
B. blowing a whistle near the reactants
C. removing heat energy from the reactants
D. decreasing the concentration of a solution of the reactants
#2 Which is usually associated with a faster reaction rate?
A. adding heat energy to the reactants
B. putting a glass cover over the reactants
C. using a solid with a low surface area in the reactants
D. decreasing the concentration of a solution of the reactants
#3 Which is usually associated with a slower reaction rate?
A. adding a catalyst to the reactants
B. using a crushed solid in the reactants
C. using a strong solution of the reactants
D. removing heat energy from the reactants
#4 Which is usually associated with a slower reaction rate?
A. ringing a bell near the reactants
B. adding heat energy to the reactants
C. using a weak solution of the reactants
D. using a solid with a high surface area in the reactants
#5 Which concentration of hydrochloric acid would MOST LIKELY react with a zinc metal strip at the fastest rate?
A. 10%
B. 20%
C. 30%
D. 40%
#6 Which is usually associated with a faster reaction rate?
A. shaking pepper into the reactants
B. removing heat energy from the reactants
C. using a highly concentrated solution in the reactants
D. using a solid with a low surface area in the reactants
#7 Which is usually associated with a slower reaction rate?
A. shaking pepper into the reactants
B. adding heat energy to the reactants
C. using a solid with a low surface area in the reactants
D. using a highly concentrated solution of the reactants
