What effects do temperature, concentration, and surface area have on the rate of a chemical reaction?

• A. The rate of a chemical reaction increases with increasing temperature.
  The rate of a chemical reaction increases with reactant concentration.
  The rate of a chemical reaction increases with the surface area of the reactants.
• B. The rate of a chemical reaction increases with increasing temperature.
  The rate of a chemical reaction increases with reactant concentration.
  The rate of a chemical reaction decreases with the surface area of the reactants.
• C. The rate of a chemical reaction increases with increasing temperature.
  The rate of a chemical reaction decreases with reactant concentration.
  The rate of a chemical reaction increases with the surface area of the reactants.
• D. The rate of a chemical reaction increases with increasing temperature.
  The rate of a chemical reaction decreases with reactant concentration.
  The rate of a chemical reaction decreases with the surface area of the reactants.

Answer: (A)