Which is usually associated with a faster reaction rate?
a. using a crushed solid in the reac...
Biology, 02.11.2019 12:31 demetriascott20
Which is usually associated with a faster reaction rate?
a. using a crushed solid in the reactants
b. putting a glass cover over the reactants
c. removing heat energy from the reactants
d. using a highly diluted solution of the reactants
which is usually associated with a slower reaction rate?
a. stirring the reactants
b. adding heat energy to the reactants
c. using a highly diluted solution of the reactants
d. using 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?
a. placing the hydrogen peroxide in the refrigerator
b. keeping the cap on the bottle of hydrogen peroxide
c. storing the hydrogen peroxide bottle away from light
d. adding manganese dioxide to the hydrogen peroxide in order to catalyze the reaction
which is usually associated with a faster reaction rate?
a. using a strong solution of the reactants
b. putting a plastic cover over the reactants
c. removing heat energy from the reactants
d. using a solid with a low surface area in the reactants
hydrochloric acid reacts with zinc metal.
which would increase the reaction rate the most?
a. using whole zinc metal strips and a 10% hydrochloric acid solution
b. using zinc metal strips that were cut in half and a 20% hydrochloric acid solution
c. using zinc metal strips that were cut in fourths and a 10% hydrochloric acid solution
d. using zinc metal strips that were cut in eighths and a 20% hydrochloric acid solution
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