Use graphs of data This should be an obtained from investigation involving concentration reactions to developing a hypothesis. explain what occurs as the reaction proceeds. AT skills covered by this practical activity: 1, 3, 5 and 6. This topic offers opportunities for practical work and investigations in addition to required practical 11, by changing temperature and surface area of reactants and use of catalysts. 5.6.1.3 Collision theory explains how Predict and explain 1 Describe collision theory. Video clips various factors affect rates of using collision theory the YouTube: reactions. According to this effects of changing Use collision theory to theory, chemical reactions conditions of explain the change in rate can occur only when reacting concentration, pressure of reaction in terms of particles collide with each and temperature on the particle behaviour for: other and with sufficient rate of a reaction. energy. The minimum concentration amount of energy that Predict and explain the pressure BBC Bitesize particles must have to react effects of changes in the surface area is called the activation size of pieces of a temperature energy. reacting in terms of catalyst.
Use graphs of data obtained from concentration reactions to explain what occurs as the reaction proceeds. This should be an investigation involving developing a hypothesis. AT skills covered by this practical activity: 1, 3, 5 and 6. This topic offers opportunities for practical work and investigations in addition to required practical 11, by changing temperature and surface area of reactants and use of catalysts. 5.6.1.3 Collision theory explains how various factors affect rates of reactions. According to this theory, chemical reactions can occur only when reacting particles collide with each other and with sufficient energy. The minimum amount of energy that particles must have to react is called the activation energy. Predict and explain using collision theory the effects of changing conditions of concentration, pressure and temperature on the rate of a reaction. Predict and explain the effects of changes in the size of pieces of a reacting in terms of 1 Describe collision theory. Use collision theory to explain the change in rate of reaction in terms of particle behaviour for: concentration pressure surface area temperature catalyst. Video clips YouTube: BBC Bitesize
AQA-8464-SOW-RATE.DOCX