Solving equations with brackets Animation Play

Solving equations with two unknowns Whiteboard exercise Play

Solving linear equations Student activity Play

Solving linear equations in two variables Student activity Play

Solving quadratic equations Whiteboard exercise Play

Solving quadratic equations Animation Play

Solving the equation Whiteboard exercise Play

Solving the equation with the unknown on both sides of the equation Whiteboard exercise Play

Solving the equations Whiteboard exercise Play

Spontaneous changes Animation Play

Spontaneous changes and probability Student activity Play

Stain removal Whiteboard exercise Play

Standard enthalpies of combustion for selected substances Chart Play

Standard enthalpies of formation for elements Chart Play

Standard enthalpy change Whiteboard exercise Play

Standard enthalpy change Animation Play

Standard enthalpy change Student activity Play

Standard enthalpy change for hydrogenation of ethene Animation Play

Standard enthalpy change. Hess’s law Whiteboard presentation Play

Standard enthalpy change. Hess’s law Class activity Play

Standard enthalpy of atomisation Student activity Play

Standard enthalpy of atomisation Whiteboard exercise Play

Standard enthalpy of atomisation of metals Animation Play

Standard enthalpy of atomisation of non-metals Animation Play

Standard enthalpy of combustion Student activity Play