1.

A gas absorbs 400 J of heat and expands by 2 xx 10^(-3)m^(3) against a constant pressure of 1 xx 10^5 Nm^(-2). The change in internal energy is (1 L atm = 100 J)

Answer»

ZERO 
`200`
`-600J`
`-200J`

ANSWER :B


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