1. Which of the following statements is true about reaction rates?

Question

a. Reaction rates can be predicted from the coefficients of the balanced equation.
b. Reactants usually disappear faster than the products appear.
c. Reactants usually disappear slower than the products appear.
d. Reaction rates can only be determined by experimentation.
2. In general, a small decrease in the temperature of an exothermic reaction will
a.cause the reaction to go in reverse
b.cause the reaction to stop
c.cause an increase in the reaction rate
d. cause a decrease in the reaction rate

Answer 1

1 is d
2 is c