Chemical Thermodynamics
First law, enthalpy, Hess's law, entropy, Gibbs energy and spontaneity criteria.
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Take a full mock →Q1 · Chemical Thermodynamics · HARD
For a reaction at 298 K, ΔH° = -92 kJ/mol and ΔS° = -200 J/(mol·K). The reaction will be spontaneous when:
Q2 · Chemical Thermodynamics · MEDIUM
For an ideal gas undergoing an isothermal expansion at 350 K, the work done by the gas is 2.8 kJ when it expands from 4.0 L to 16.0 L. What is the number of moles of the gas? (R = 8.314 J mol⁻¹ K⁻¹)
Q3 · Chemical Thermodynamics · EASY
For a spontaneous process at constant temperature and pressure, which thermodynamic criterion must be satisfied?