1.

For this process (overall change) which is correct

Answer»

q= 0, W= 0
`q = +ve, W = -ve`
`q = -ve, W_("on the SYSTEM") = +ve`
`DELTA S_("sys") = 0, Delta U_("sys") = 0, Delta H_("sys") = 0`

SOLUTION :Cyclic `RARR Delta u = 0, Delta S = 0, Delta H = 0`
Clockwise `rArr W_("on") = -Ve rArr q = +ve`


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