Question

Work done between the state 1 and 2 in a flow process is given by which one of the following expressions?

(a) $-\int_{1} ^{2} vdp$

(b) $\int_{1} ^{2} pdv$

(c)$\int_{1} ^{2} vdp+\int_{1} ^{2} pdv$

(d) $\int_{1} ^{2} vdp-\int_{1} ^{2} pdv$