Course review
Review each learning objective in this topic, then open its concept explanation or question set.
Learning objective
• Change in concentration per unit time • Determine rates from tangents of concentration, volume, or mass graphs
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Sufficient energy + proper orientation required • Kinetic energy and temperature (Kelvin) • Explain successful collisions using activation energy and orientation
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Pressure, concentration, surface area, temperature, catalyst • Predict and explain rate changes when conditions change
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Minimum energy for successful collision • Maxwell-Boltzmann distribution curves • Use Maxwell-Boltzmann curves to show temperature effects on successful collisions
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Provide alternative pathway with lower Ea • Energy profiles with/without catalysts • Explain catalyst effects on energy profiles and Maxwell-Boltzmann distributions
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Series of elementary steps • Slowest step = rate-determining • Intermediates vs. transition states • Evaluate proposed mechanisms against kinetic and stoichiometric data
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Show Ea and transition state of rate-determining step • Construct and interpret multistep energy profiles from kinetic data
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Number of particles in elementary step • Unimolecular, bimolecular, termolecular
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Determined experimentally, depend on mechanism • Deduce rate equations from experimental data
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Exponent in rate equation • Zero, first, second order • Overall order = sum of individual orders • Analyse concentration-time and rate-concentration graphs
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Temperature dependent • Units from overall order • Solve rate equation problems, including units of k
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Temperature dependence of k determines Ea • Linear form: ln k vs. 1/T
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Frequency of proper collision orientations • Determine activation energy and Arrhenius factor from data
Start with the concept explanation, then practise to create mastery evidence.