What you’ll learn8 learning objectivesChoose one objective for a focused lesson, or study the complete topic.6.2.1Rate changes caused by concentration• Describe rate changes caused by concentration, gas pressure, solid surface area, temperature and adding/removing catalysts, including enzymesSyllabus objective6.2.2Catalyst increases the rate of a• State: a catalyst increases the rate of a reaction and is unchanged at the end of a reactionSyllabus objective6.2.3Practical methods for investigating• Describe practical methods for investigating the rate of a reaction including change in mass of a reactant or a product and the formation of a gasSyllabus objective6.2.4Interpret data• Interpret data, including graphs, from rate of reaction experimentsSyllabus objective6.2.5Collision theory in terms of: (a)• Describe collision theory in terms of: (a) number of particles per unit volume (b) frequency of collisions between particles (c) kinetic energy of particles (d) activation energy, EaSyllabus objective6.2.6Rate changes using collision theory• Explain rate changes using collision theory for concentration, gas pressure, solid surface area, temperature and adding/removing catalysts, including enzymesSyllabus objective6.2.7Catalyst decreases the activation• State: a catalyst decreases the activation energy, Ea, of a reactionSyllabus objective6.2.8Evaluate practical methods for• Evaluate practical methods for investigating the rate of a reaction including change in mass of a reactant or a product and the formation of a gasSyllabus objective