The internal energy of an ideal gas increases | vedclass

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(A) The internal energy $U$ of an ideal gas is given by the formula $U = \frac{f}{2} \mu RT = \frac{f}{2} \left( \frac{N}{N_A} \right) RT$,which impli

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Expanded by adding more molecules to it

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(A) The internal energy $U$ of an ideal gas is given by the formula $U = \frac{f}{2} \mu RT = \frac{f}{2} \left( \frac{N}{N_A} \right) RT$,which implies $U \propto NT$.In an isothermal process,the temperature $T$ remains constant. Therefore,the internal energy $U$ becomes directly proportional to the number of molecules $N$ $(U \propto N)$.Consequently,the internal energy of an ideal gas increases during an isothermal process if the number of molecules $N$ is increased.

The internal energy of an ideal gas increases during an isothermal process when the gas is

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