Lesson Overview
Integral form of the definition of
entropy
:Goal:
Determine ΔS for reversible and irreversible processes for which complete thermodynamic tables are not available.
Steps:

Derive the 1st and 2nd Gibbs Equations that relate S to other state variables.
Apply the 1st and 2nd Gibbs Equations to processes in which the system is an incompressible substance and show how to evaluate ΔS for these processes.
Apply the 1st and 2nd Gibbs Equations to processes in which the system is an ideal gas and show how to evaluate ΔS for these processes. Three different methods are presented.
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