
#1
Jan2313, 11:22 AM

P: 101

Hi,
Example: Maxwell Relation (thermoD)... ([itex]\frac{∂μ}{∂T}[/itex])[itex]_{p,n}[/itex] =  ([itex]\frac{∂S}{∂n}[/itex])[itex]_{T,p}[/itex] what does it mean having those subscript variables outside of the brackets. thanks 



#2
Jan2313, 11:31 AM

Mentor
P: 10,853

They are kept constant in the process. For example, the left side is the change of µ if you change T, but keep p and n constant.




#3
Jan2313, 11:44 AM

P: 5,462

post#2 of http://www.physicsforums.com/showthread.php?t=666011
gives an example of the use of this for deriving one of Maxwells relations Have you studied partial differentiation? 


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