Physical Chemistry · ChemGenius

Thermodynamics

Master the laws of energy and spontaneity — gases, work and heat, entropy and the Carnot cycle, Gibbs energy, phase and chemical equilibria, and electrochemistry — through interactive simulators and guided explanations.

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Gases & the Equations of State

First Law: Internal Energy, Work & Heat

Thermochemistry: Enthalpy, Hess & Kirchhoff

Second Law: Entropy & the Carnot Cycle

Gibbs Energy & Spontaneity

Phase Equilibria & Clausius–Clapeyron

Chemical Equilibrium & van't Hoff

Electrochemistry & the Nernst Equation

Topics · 8 modules

Gases → first law → thermochemistry → entropy → Gibbs energy → equilibria → electrochemistry

Intro⏱ 30 min

Gases & the Equations of State

From the ideal-gas law to real-gas behaviour

🔬 Supercritical CO₂ Extraction

Intro⏱ 35 min

First Law: Internal Energy, Work & Heat

Energy is conserved — but the path matters

🔬 Engine & Compressor Cycles

Intermediate⏱ 30 min

Thermochemistry: Enthalpy, Hess & Kirchhoff

Reaction enthalpies from formation data and temperature

🔬 Fuel Energy Content

Intermediate⏱ 35 min

Second Law: Entropy & the Carnot Cycle

Why heat flows one way and engines have a ceiling

🔬 Power-Plant Efficiency Ceiling

Intermediate⏱ 35 min

Gibbs Energy & Spontaneity

The single criterion for spontaneous change

🔬 Why the Haber Process Runs Warm, Not Hot

Intermediate⏱ 30 min

Phase Equilibria & Clausius–Clapeyron

Reading phase diagrams and vapour-pressure curves

🔬 Cooking at Altitude

Advanced⏱ 35 min

Chemical Equilibrium & van't Hoff

How K depends on conditions and temperature

🔬 Temperature Trade-off in the Haber Process

Advanced⏱ 35 min

Electrochemistry & the Nernst Equation

Turning ΔG into cell voltage

🔬 Batteries & Fuel Cells

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History of Thermodynamics

From Boyle and Carnot to Gibbs, van't Hoff, and Nernst.

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Exam Prep

Build a timed, scored practice exam from every topic's question bank.