According to the first law of thermodynamics which of the following quantities represents the 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_("rev") + W_("rev")`
`Delta E` is a state function.