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Apr
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awarded  Popular Question
Mar
20
awarded  Supporter
Feb
11
comment What does third law of thermodynamics tell us?
Thank you. Okay, the point of the assumption was that the zero point and the sign of the temperature just have only a absolute meaning. I think about the story that $\hat{S} = \alpha S + \alpha_0$ where you transform the one entropy $S$ to a new one $\hat{S}$ (and vice versa) with $\alpha = T/\hat{T}$.
Feb
11
comment What does third law of thermodynamics tell us?
This is great. Thank you.
Feb
11
accepted What does third law of thermodynamics tell us?
Feb
11
asked What does third law of thermodynamics tell us?
Feb
10
awarded  Analytical
Feb
10
awarded  Scholar
Feb
10
accepted How to calculate the Gibbs free energy out of a given Entropy?
Feb
10
comment How to calculate the Gibbs free energy out of a given Entropy?
Aha. Okay. Now I got it. At the end I will get $G = 0$. That's what I thought I should get. I was kind of blind and didn't saw that I can put everything together.
Feb
10
comment How to calculate the Gibbs free energy out of a given Entropy?
Okay. You will get $T = \left(\frac{U}{V\alpha}\right)^{1/4}$. I already got this. I was interested to calculate the equation of state between internal energy $U$, temperature $T$ and volume $V$. You will get $U\left(T,V\right)=\alpha V T^4$.
Feb
10
comment How to calculate the Gibbs free energy out of a given Entropy?
What do you mean with there is no need for the change of the natural variables?
Feb
9
awarded  Student
Feb
9
asked How to calculate the Gibbs free energy out of a given Entropy?