- #1

- 2

- 0

## Homework Statement

A heat engine uses 2 mole of a diatomic gas that follows the pV cycle shown, how much work is done, over the cycle if P=100kPa, T

_{1}=207K

* P is suppose to be 0.5P this was a typo on the graph

This is what i've figured out so far: (if i am incorrect on anything please let me know)

W1→2 = 0

W2→3=nRΔT

So it would look like:

(2)(5/2)(8.31)(?-207)

The problem is i can't figure out how to find the other tempurature

W3→1=nRTln(v

_{2}/v

_{1})

So it would look like this

(2)(8.31)(207)ln(?/?)

I don't understand how to get the volumes in this problem all the other problems i have had have given me a volume.