Higher Chemistry Practice Questions - Higher Chemistry (C813 76) Exam

According to collision theory, why does increasing temperature increase the rate of most chemical reactions?

More molecules have kinetic energy greater than or equal to the activation energy The activation energy of the reaction decreases at higher temperature The concentration of reactants increases with temperature The frequency of collisions decreases but each collision releases more energy

Correct Answer:

More molecules have kinetic energy greater than or equal to the activation energy

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