1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

I Why can U be expanded in terms of T and V?

  1. Mar 24, 2016 #1
    when expressing dS as a function of dV and dT, dU was expanded out as you can see in the screenshot below, is there a mathematical rule which allows this??? does the fact that the internal energy is expanded out change the meaning of the expression? Screen Shot 2016-03-24 at 17.45.17.png
  2. jcsd
  3. Mar 24, 2016 #2
    How many intensive properties are required to specify the state of a single phase material of constant composition?
  4. Mar 25, 2016 #3
    dU/dT(V)+dU/dV(T) is the differential of U with the coordinated (T,V)
  5. Mar 27, 2016 #4
    Thank you!
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted