GATE Physical Chemistry: Equilibrium: Laws of thermodynamics. Standard states. Thermochemistry. Thermodynamic functions and their relationships: Gibbs-Helmholtz and Maxwell relations, Gibbs-Duhem equation, Van’t Hoff equation. Criteria of spontaneity and equilibrium. Absolute entropy. Partial molar quantities. Thermodynamics of mixing. Chemical potential. Fugacity, Activity and Activity coefficient. Chemical equilibria. Dependence of equilibrium constant on temperature and pressure. – Previous Year Questions
5 GATE previous year questions on Equilibrium: Laws of thermodynamics. Standard states. Thermochemistry. Thermodynamic functions and their relationships: Gibbs-Helmholtz and Maxwell relations, Gibbs-Duhem equation, Van’t Hoff equation. Criteria of spontaneity and equilibrium. Absolute entropy. Partial molar quantities. Thermodynamics of mixing. Chemical potential. Fugacity, Activity and Activity coefficient. Chemical equilibria. Dependence of equilibrium constant on temperature and pressure. (Physical Chemistry, Chemistry) with answers and explanations, from every paper.
- GATE 2026 CY Q34 – The maximum work magnitude in kJ from complete combustion of 1.0 mol methane at constant pressure and 25 °C (one decimal place) is . Given S=-241.60 J…
- GATE 2025 CY Q29 – The thermodynamic criterion/criteria for a spontaneous process is/are
- GATE 2025 CY Q64 – Consider a Carnot engine with a hot source kept at 500 K. From the hot source, 100 J of energy (heat) is withdrawn at 500 K. The cold sink is kept at…
- GATE 2024 CY Q58 – S (in J\,mol-1K-1) for the given reaction at 298 K is . (Given: K 1=10.6, where K 1 is the equilibrium constant. H=-54\ kJ\,mol-1 and R=8.314\…
- GATE 2024 CY Q64 – 2 mol of a monoatomic ideal gas initially at 5 L and 10 bar expands irreversibly and adiabatically against constant final pressure 1 bar. The final…