## Calculating Work

$w=-P\Delta V$
and
$w=-\int_{V_{1}}^{V_{2}}PdV=-nRTln\frac{V_{2}}{V_{1}}$

Jesse_torres2H
Posts: 41
Joined: Thu Jul 27, 2017 3:00 am

### Calculating Work

When pressure is held constant what equation do you use to calculate the work done?

Naveed Zaman 1C
Posts: 62
Joined: Fri Sep 29, 2017 7:04 am
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### Re: Calculating Work

w = -PextΔV (the sign if negative because this is the work that the system is doing)