In this chapter, we will be learning about the rate of reaction in chemistry. We will start by classifying fast and slow reactions that occur in our daily lives and understanding the meaning of the rate of reaction.
Next, we will investigate the factors that affect the rate of reaction through experiments, including the size of reactants, concentration, temperature, and the use of catalysts. We will also explore the application of the rate of reaction in daily life with examples.
Lastly, we will learn about the collision theory and how it explains the activation energy using real-life examples.
• Classify fast and slow reactions that occur in daily life
• Explain the meaning of the rate of reaction
• Identify changes which can be observed and measured during chemical reactions through activity
• Determine the (i) average rate of reaction and (ii) instantaneous rate of reaction
• Solve numerical problems based on the average and instantaneous rate of reactions
• Investigate factors affecting the rate of reactions through experiment, based on: (i) size of reactants, (ii) concentration, (iii) temperature, and (iv) use of catalyst
• Describe with examples the application of rate of reaction in daily life
• Describe the collision theory
• Explain activation energy using examples
• Interpret an energy profile diagram for an exothermic and an endorthermic reaction
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