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Results tagged with thermodynamics
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user 181947
Covers the study of (primarily homogeneous) macroscopic systems from a heat/energy/entropy point of view. Consider also using the tag: [statistical-mechanics].
2
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Is it work or heat?
One student of mine has found one question in a book of thermodynamics (1st year university level).
Work or Heat? You grab a bottle of juice and shake it thoroughly. …
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6
answers
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How can we explain the linear relation between the temperature scales?
In the proof of the relation F=(9/5)C+32 (degrees celsius to fahrenheit) we assume that there is a straight-line (linear) relation between the two temperature scales: F=mC+b. Then we need two "points" …
- 399
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Pressure: extensive or intensive property?
Nevertheless, I am puzzled about something I read from a book (Engineering Thermodynamics Michael Horsley, Chapman and Hall 1993). …
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Work of van der Waals gas in a isotherm expressed with respect to the initial and final pres...
The work of a van der Waals gas during an isothermal transformation is readily found to be ($n=1$ mol)
\begin{equation}
W =RT \ln\frac{V_1-b}{V_2-b}+a\left(\frac{1}{V_1}-\frac{1}{V_2}\right)\qquad ( …
- 399
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Explain the second principle of thermodynamics without the notion of entropy
I have prepared my notes regarding conservation laws and I want to add a couple of things about the second principle of the thermodynamics. …
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