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Detail, with appropriate scientific theory, the five main factors that affect the rate of a reaction A chemical reaction involves the breaking of bonds within the reactants and the creation of bonds to form products. Different bonds have different strengths so the energy required for various reactions to occur is different. The rate at which a reaction progresses is controlled by five main factors: - concentration, pressure, temperature, surface area and catalysis. A reaction profile is a graph that shows the energy changes involved during a reaction against time. The basic structure for an exothermic reaction is: - The graph shows that in the intermediate transition stage the reactants have gained more energy from their original form, and then go on to another energy level as products. The graph shows the activation energy required and the energy released. For an endothermic reaction, the reaction profile is similar except the products finish on...

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