During an isothermal expansion of an ideal gas, its:

internal energy increases

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enthalpy decreases

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internal energy remains unaffected

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enthalpy reduces to zero

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Solution

The correct option is C internal energy remains unaffected
During an isothermal process, the temperature remains constant. Hence, the internal energy of the system remains constant.

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Similar questions

an ideal gas undergoes isothermal expansion at constant pressure. during the process ,what happens to enthalpy and entropy,

Do they remain constant???

Or one of them increases??

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