(a) Select all of the correct statements about reaction rates from the choices b
ID: 805926 • Letter: #
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.
Solid catalysts increase reaction rates as their surface areas increase.
The slowest step in a reaction is called the rate-determining step.
Reactions involving very unstable combinations of chemicals have large rate constants.
The higher the rate of a reaction the longer it takes to reach completion.
Fast reactions can be slowed down by lowering the temperature.
Concentrations of homogeneous catalysts have no effect on reaction rates.
Explanation / Answer
Correct statements are:
The lower the rate of a reaction the longer it takes to reach completion.
Solid catalysts increase reaction rates as their surface areas increase.
The slowest step in a reaction is called the rate-determining step.
Fast reactions can be slowed down by lowering the temperature
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