Using Hess's law Whiteboard exercise Play

Using Hess's law Student activity 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 the diagrams in real life Whiteboard exercise Play

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

Water and ice at equilibrium Animation Play

Water solutions of sulphuric acid and sulphurous acid Whiteboard exercise Play

Weight Class activity Play

What affects refraction? Simulation Play

What affects refraction? Student activity Play

What affects refraction? Whiteboard exercise Play

What is bond dissociation enthalpy? Animation Play

What is the enthalpy of hydration? Animation Play

Why does the electronegativity change across a period? Animation Play

Why don't solids change their shape spontaneously? Animation Play

Why ecosystems change Slideshow Play

Why some exothermic reactions need to be initiated Whiteboard exercise Play

Why some exothermic reactions need to be initiated Student activity Play

Why some ionic compounds do not exist Student activity Play

Work and change in potential energy Animation Play