Two Work Functions

Volume:
Temperature:

Moderators: Chem_Mod, Chem_Admin

Post Reply
Mia Navarro 1D
Posts: 52
Joined: Fri Sep 29, 2017 7:04 am

Two Work Functions

Postby Mia Navarro 1D » Wed Jan 17, 2018 9:48 am

When do you know whether to use the w=Pext(Delta)V equation or the w=nRTln(Vf/Vi)?
Top
Kailey Brodeur 1J
Posts: 34
Joined: Thu Jul 27, 2017 3:00 am

Re: Two Work Functions

Postby Kailey Brodeur 1J » Wed Jan 17, 2018 9:53 am

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.
Top
Post Reply

Return to “Entropy Changes Due to Changes in Volume and Temperature”

Who is online

Users browsing this forum: No registered users and 5 guests