Reversible and Actual Work

Equation.
Equation.
Equation.
Equation.
Equation.
  • 1st Law, SS, SISO,
    ΔEK = ΔEP = 0 :
  • In Lesson 8B we found that, for

    internally reversible processes

    , in

    isothermal systems

    :
  • Reversible heat exchange

    with the surroundings requires that :
  • Therefore :
  • and :
  • In a real process :
  • Therefore :
Equation.
Equation.
Equation.
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Ch 8, Lesson D, Page 3 - Reversible and Actual Work