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Old Oct 19th 2016, 03:32 PM   #1
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Join Date: Oct 2016
Location: New York
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Post Binary Solutions

Hey everybody,

I'm taking on an Adv. Thermodynamics class and I have decided to take this new approach.. so here I go.

My problem goes: "Consider a binary solution of components A and B. Is each of the following quantities positive, negative, or zero, or is there not enough information to tell? Prove your results.

(a) (dμb/dNb) at constant T,V and μa

(b) (dμb/dP) at constant T, μa

What I have tried....

part (a) I'm assuming an Ideal binary solution, and from there I can obtain S(mixture). Also, since I'm being asked for dμb I know that μ can be related to Gibbs ending up with a Gibbs expression:
G(T,P,Na,Nb)
But from there I thought of using a Maxwell relation to obtain μ from Helmholtz???

I'm taking the same approach for the part (b)

I would appreciate any comments. I'm still trying if I comeup with some new approach will updated this!

Thanks in advance!

Last edited by ChemBlitz; Oct 19th 2016 at 03:36 PM.
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