A scientist quantifies the product formed in a chemical reaction as a function of time and plots the data on a graph. The data generate a straight line. The slope of this line represents which of the following?

A) The speed of product formation by the chemical reaction
B) The energy expended by the chemical reaction to form the product
C) The rate of change in the amount of the product formed by the chemical reaction
D) Both A and C are correct.

D