The Second Law of Thermodynamics
ΔS = J/K, ΔG = kJ/mol, ΔH = kJ/mol, Keq = unitless constant, R = Ideal Constant
ΔG = ΔH - (ΔS·T); ΔS = ΔH÷T
ΔG = -RTlnK
This page presents basic problems involving entropy, free energy and
equilibrium constants. The problems involve a few cases where straightforward
relationships exist between enthalpy, entropy, free energy and temperature.
The page's operation is very straightforward.
- Determine the needed value, enter it in the answer cell and
press "Check Answer."
- Use "e" notation to enter numbers in scientific notation.
- Pay attention to specified dimensions and to the signs.
The javascripting that powers this practice problem generator was produced by Professor George Wiger of California State University Dominguez Hills.