for the equation:(adsbygoogle = window.adsbygoogle || []).push({});

dU=TdS-PdV

why can you can the total derivative to a partial derivative, which makes the equation become

T=(partial derivative U)/(partical derivative S) ?

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Equation calculus question

**Physics Forums | Science Articles, Homework Help, Discussion**