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If Delta U represents the increase in in...

If `Delta U` represents the increase in internal energy and W the work done by the thermodynamic system, then:

A

`Delta` U = - W is an isothermal process

B

`Delta U` = W is an isothermal process

C

`Delta U`= -W is an adiabatic process

D

`Delta U`=W is an adiabatic pro¬ cess

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