### Work Equation, changing V and P

Posted:

**Sat Jan 21, 2017 4:28 pm**This relates to midterm 2013 question 4 part A in back of course reader

Why is it that when volume and pressure are both changing that work can equal:

w=-nRTln(V2/V1) or w=-nRTln (P1/P2)

Is it because the pressure is inversely related to the volume?

Why is it that when volume and pressure are both changing that work can equal:

w=-nRTln(V2/V1) or w=-nRTln (P1/P2)

Is it because the pressure is inversely related to the volume?