Topic 7 -Rates of reaction and energy changes

Explaining how reactions occur

Tutorial videos

Explaining how reactions happen

Explaining factors affecting rates of reaction

Tutorial videos

Concentration

Surface area

Temperature

Tutorial videos

Catalysts and activation energy

Tutorial videos

Biological catalysts

Tutorial videos

Measuring rate of reaction

Using a gas syringe

Explaining the shape of a rate of reaction curve

Tutorial videos

Explaining the shape of a rate of reaction curce

Finding the rate of reaction from a graph

Tutorial videos

Finding rates of reaction from a graph

Heat energy changes during chemical reactions

Tutorial videos

Measuring energy changes

Explaining endothermic and exothermic reactions

Tutorial videos

Explaining endothermic and exothermic reactions

Using bond breaking and making to explain energy changes

Calculating bond energy changes

Tutorial videos

Calculating bond energies

Explaining activation energy and energy diagrams

Tutorial videos

Explaining activation energy