The Second Law of Thermodynamics for heat engines Whiteboard exercise Play

The standard and the general form of the equation of a straight line Animation Play

The standard equation of the straight line Animation Play

The standard form of the equation of a straight line Student activity Play

The standard form of the equation of a straight line Whiteboard exercise Play

The standard index form on the calculator display Whiteboard exercise Play

The standard index form on the calculator display Student activity Play

The temperature of absolute zero Simulation Play

They displace the ions of the metal Whiteboard exercise Play

Total entropy change Animation Play

Using mean bond enthalpies in calculations. Part 1 Student activity Play

Using mean bond enthalpies in calculations. Part 2 Student activity Play

Using standard enthalpies of combustion Animation Play

Using standard enthalpies of formation Animation Play

Using ΔH°f and ΔH°c to determine standard enthalpies of reaction Student activity Play

Variance and standard deviation Whiteboard exercise Play

Water and ice at equilibrium Animation Play

Water solutions of sulphuric acid and sulphurous acid Whiteboard exercise Play

What is entropy? Animation Play

Why some endothermic reactions are spontaneous? Animation Play