The enthalpy of solution Animation Play

The formation of ionic compounds is exothermic Animation Play

The most important evolutionary changes Simulation Play

The physical changes Animation Play

The significance of changes in blood group distribution Slideshow Play

The skin temperature changes Simulation Play

The theory of mutations Whiteboard exercise Play

Thermal effects of changes in gas density Whiteboard exercise Play

Thermal effects of changes in gas density Student activity Play

Thermal expansion of bodies Student activity Play

Total energy Student activity Play

Types of gas changes Whiteboard exercise Play

Types of gas changes Student activity Play

Using Hess's law Student activity Play

Using Hess's law Whiteboard exercise Play

Using mean bond enthalpies in calculations Chart Play

Using mean bond enthalpies in calculations Chart 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

Volume changes in gas reactions (1) Student activity Play

Volume changes in gas reactions (1) Whiteboard exercise Play

Volume changes in gas reactions (2) Whiteboard exercise Play