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

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

A

Q=W=0 and `Delta E_("int") = 0`

B

Q=0,`W gt 0` and `Delta E_("int") = -W`

C

W=0,`Q gt 0`, and `Delta E_("int")=Q`

D

`W gt 0.Q lt 0` and `Delta E_("int") = 0`

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The correct Answer is:

A

For free expansion Q=W=0 and `Delta U = 0`.

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