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← ScienceWhich limit determines the maximum work obtainable as isobutane evaporates?
A)Equilibrium vapor pressure is attained✓
B)Heat transfer becomes irreversible
C)Mechanical friction reaches threshold
D)Turbulent flow completely develops
💡 Explanation
The useful work from evaporation is maximized at equilibrium where Gibbs free energy is minimized because phase transitions follow Le Chatelier's principle as equilibrium shifts; therefore, vapor pressure limits it, rather than friction or turbulence under different parameters.
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