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Two Work Functions

Posted: Wed Jan 17, 2018 9:48 am
by Mia Navarro 1D
When do you know whether to use the w=Pext(Delta)V equation or the w=nRTln(Vf/Vi)?

Re: Two Work Functions

Posted: Wed Jan 17, 2018 9:53 am
by Kailey Brodeur 1J
The first equation is used to determine work done against a constant external pressure. If the pressure is changing, but the work is being performed by an ideal gas, then you can use the second equation.