Answer to Question #141790 in General Chemistry for mike

Question

The Maxwell–Boltzmann distribution of energies, at a constant temperature, for a molecular gas is shown below. The most probable molecular energy at this temperature is indicated by Emp and the activation energy by Ea
Consider the following changes:

(i). The number of molecules is increased at a constant temperature.

(ii). The temperature is decreased without changing the number of molecules.

(iii). A catalyst is introduced without changing the temperature or number of molecules.

For each change state how, if at all, the following would vary:
the value of the most probable energy, Emp
the number of molecules with the most probable energy, Emp
the area under the molecular energy distribution curve
the number of molecules with energy greater than the activation energy, Ea

Answer 1

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