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For irreversible expansion of an ideal g...

For irreversible expansion of an ideal gas under isothermal condition, the correct option is:

A

`DeltaU=0, DeltaS_("total")!=0`

B

`DeltaU!=0, DeltaS_("total")=0`

C

`DeltaU=0, DeltaS_("total")=0`

D

`DeltaU!=0, DeltaS_("total")!=0`

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