Question

what is the change in internal energy during isothermal reversible expansion of ideal gas?​

Answer 1

Answer:

Isothermal Expansion

Temperature is held constant, therefore the change in energy is zero (U=0). So, the heat absorbed by the gas equals the work done by the ideal gas on its surroundings. Enthalpy change is also equal to zero because the change in energy zero and the pressure and volume is constant.

Answer 2

Answer:

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Explanation: