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For free expansion of the gas, which of ...

For free expansion of the gas, which of the following is true?

A

`Q=W=0` and `DeltaE_("int")=0`

B

`Q=0,Wgt0` and `DeltaE_("int")=-W`

C

`W=0,Qgt0`, and `DeltaE_("int")=0`

D

`Wgt0,Qlt0` and `DeltaE_("int")=0`

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