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Introductory Physics Homework Help
Sketch a qualitatively accurate graph of the entropy of a substance
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[QUOTE="LCSphysicist, post: 6375111, member: 675151"] [B]Homework Statement:[/B] All below [B]Relevant Equations:[/B] All below Sketch a qualitatively accurate graph of the entropy of a substance as a function of temperature, at fixed pressure. Indicate where the substance is solid, liquid, and gas . Explain each feature of the graph briefly. What you think about?: dU = -P*dV + Q*dS (1) V = C*T => dV = C*dT Nfk*dT/2 + P*C*dT = Q*dS Nfk/2 + P*C = Q*(dS/dT) For a solid, i assumed f = 3, for a liquid f = 5 and for the gas, f > 5 (i think is not necessary say the obvious this is a rough approximation) [ATTACH type="full"]267215[/ATTACH]That would be the result. [/QUOTE]
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Introductory Physics Homework Help
Sketch a qualitatively accurate graph of the entropy of a substance
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