What you’ll learn5 learning objectivesChoose one objective for a focused lesson, or study the complete topic.2.2.1Rate of reaction• Change in concentration per unit time• Determine rates from tangents of concentration, volume, or mass graphsSyllabus objective2.2.2Collision theory• Sufficient energy + proper orientation required• Kinetic energy and temperature (Kelvin)• Explain successful collisions using activation energy and orientationSyllabus objective2.2.3Factors affecting rate• Pressure, concentration, surface area, temperature, catalyst• Predict and explain rate changes when conditions changeSyllabus objective2.2.4Activation energy (Ea)• Minimum energy for successful collision• Maxwell-Boltzmann distribution curves• Use Maxwell-Boltzmann curves to show temperature effects on successful collisionsSyllabus objective2.2.5Catalysts• Provide alternative pathway with lower Ea• Energy profiles with/without catalysts• Explain catalyst effects on energy profiles and Maxwell-Boltzmann distributionsSyllabus objective