Select all of the correct statements about reaction rates from the choices below

Question

Select all of the correct statements about reaction rates from the choices below.

A.) The lower the rate of a reaction the longer it takes to reach completion.
B.) A balanced chemical reaction is necessary to relate the rate of reaction to the concentration of a reactant.
C.) The rate of a slow step has more effect on the overall reaction rate than the rate of a fast step.
D.) Reactions involving very unstable combinations of chemicals have large rate constants.
E.) The rate of a fast step has more effect on the overall reaction rate than the rate of a slow step.
F.) Slow reactions can be speeded up by raising the temperature.
G.) The higher the rate of a reaction the longer it takes to reach completion.

Explanation / Answer

A is correct because rate indicates speed of reaction since speed is low reaction will take more time

B is correct because balanced reaction gives exact quantitative relationship between reactants and product

C is correct because slowest step is rate determining step

F is correct because rate constant increases with temperature

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