Question

Which of the following conditions would most likely affect the rate of a chemical reaction? A. Increasing the number of reaction steps B. Decreasing the size of the reaction vessel C. Decreasing the amount of air in the reaction vessel D. Increasing the concentration of reactants

Answer 1

"D. Increasing the concentration of reactants" would most likely affect the rate of a chemical reaction since the other options only affect the environment. 

Answer 2

The conditions that would most likely affect the rate of a chemical reaction is D) Increasing the concentration of reactants.