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a) Select all of the correct statements about reaction rates from the choices be

ID: 761906 • Letter: A

Question

a) Select all of the correct statements about reaction rates from the choices below. The lower the rate of a reaction the longer it takes to reach completion. Catalysts increase reaction rates. Solid catalysts do not affect reaction rates. A balanced chemical reaction is necessary to relate the rate of disappearance of a reactant to the rate of appearance of a product. Reaction rates can show little change as masses of solid reactants increase. The rate of a reaction is independent of temperature. Catalysts decrease reaction rates.

Explanation / Answer

The lower the rate of a reaction the longer it takes to reach completion. Catalysts increase reaction rates. A balanced chemical reaction is necessary to relate the rate of disappearance of a reactant to the rate of appearance of a product.