Question

question 8 of 10
what is a reaction rate?
a. the amount of products produced in a reaction
b. the energy required for a reaction to happen
c. the frequency of reactant collisions
d. the speed at which a reaction occurs

Explanation:

Reaction rate is defined as the speed at which a chemical reaction occurs. Option A refers to the quantity of products (not the rate). Option B is about activation energy. Option C is related to a factor that can influence reaction rate but is not the definition of reaction rate itself.

Answer:

D. The speed at which a reaction occurs