Which is usually associated with a faster reaction rate?

Ausing a crushed solid in the reactants

Bputting a glass cover over the reactants

Cremoving heat energy from the reactants

Dusing a highly diluted solution of the reactants

Which is usually associated with a slower reaction rate?

Astirring the reactants

Badding heat energy to the reactants

Cusing a highly diluted solution of the reactants

Dusing a solid with a high surface area in the reactants

Hydrogen peroxide decomposes slowly into water and oxygen gas at room temperature (20 - 25 °C).

Which would increase the decomposition rate the MOST?

Aplacing the hydrogen peroxide in the refrigerator

Bkeeping the cap on the bottle of hydrogen peroxide

Cstoring the hydrogen peroxide bottle away from light

Dadding manganese dioxide to the hydrogen peroxide in order to catalyze the reaction

Which is usually associated with a faster reaction rate?

Ausing a strong solution of the reactants

Bputting a plastic cover over the reactants

Cremoving heat energy from the reactants

Dusing a solid with a low surface area in the reactants

Hydrochloric acid reacts with zinc metal.

Which would increase the reaction rate the most?

Ausing whole zinc metal strips and a 10% hydrochloric acid solution

Busing zinc metal strips that were cut in half and a 20% hydrochloric acid solution

Cusing zinc metal strips that were cut in fourths and a 10% hydrochloric acid solution

Dusing zinc metal strips that were cut in eighths and a 20% hydrochloric acid solution