According to the first law of thermodynamics which of the following quantities represents change in a state function ?

Options

A. `q_("rev")`
B. `q_("rev")- w_("rev")`
C. `q_("rev")//w_("rev")`
D. `q_("rev") + w_("rev")`

Answer

D

Explanation

`Delta E =q+ omega , Delta E` is a state function.