1.

During an isothermal expansion of an ideal gas its

Answer»

INTERNAL energy increases
Enthalpy decreases
Enthalpy REMAINS unaffected
Enthalpy REDUCES to zero

Solution :During isothermal EXPANSION of idea gas, `DeltaT=0`
`DeltaH=DeltaE+PDeltaV=DeltaE+nRDeltaT=0+0=0`.


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