Thermodynamics - Manipulating differentials

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SUMMARY

The discussion centers on manipulating differentials in thermodynamics, specifically focusing on the equation (∂P/∂V) at constant entropy (S). Participants reference the fundamental equation dE = TdS - PdV as a starting point for their analysis. The challenge lies in expressing energy (E) as a function of volume (V) and pressure (P), and evaluating the differential of E using partial derivatives. The conversation highlights the complexity of applying the commutation and permutation rules in this context.

PREREQUISITES
  • Understanding of thermodynamic principles, particularly the first law of thermodynamics.
  • Familiarity with partial derivatives and their application in thermodynamics.
  • Knowledge of the concepts of entropy and its implications in thermodynamic processes.
  • Experience with manipulating differential equations in a physical context.
NEXT STEPS
  • Study the derivation of thermodynamic potentials and their relationships.
  • Learn about Maxwell's relations and their applications in thermodynamics.
  • Explore the implications of the equation dE = TdS - PdV in various thermodynamic processes.
  • Investigate the use of Jacobians in transforming variables in thermodynamic equations.
USEFUL FOR

Students and professionals in physics and engineering, particularly those focusing on thermodynamics and energy systems, will benefit from this discussion.

Gashoe13
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Homework Statement


We're told to show the attached equation, (partial P/partial V) at constant S = that big mess.

Homework Equations


dE=TdS - PdV

The Attempt at a Solution


lol just went in circles with the commuter and permuted rules. I have no clue how to end up where I'm supposed to be.
 

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Try expressing E as E(V,P) and evaluating the differential of E in terms of partials with respect to V and P.
 
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