## work and state function

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

Rachel Risoleo 3G
Posts: 19
Joined: Fri Sep 25, 2015 3:00 am

### work and state function

Is work a pathway function rather than a state function? If so, why is it that we can sometimes add the work of different steps to get the overall work for the reaction?

Sammy Toscano 1D
Posts: 32
Joined: Fri Sep 25, 2015 3:00 am

### Re: work and state function

work is a pathway function rather than a state function. Adding all of the steps is acknowledging that it is a pathway function; you are looking at all the steps it took to get to its final destination. If it were a state function; you wouldn't have to add all the steps, you could just subtract the initial value from the final