Integration of Thermodynamics equation w=–∫vDP

[Dmess2]

Homework Statement

Integrate w=–∫vDP from 2 to 1 and get k(P2V2-P1V1/1-k)
The equation is used for steady flow, reversible and Ideal gas

Homework Equations

The Attempt at a Solution

I'm not sure how to get the result

 

[Chestermiller]

$$dH=C_pdT=VdP$$