• Change in concentration per unit time
• Determine rates from tangents of concentration, volume, or mass graphs
0%
Mastery
0
Attempts
0
Mistakes
Start with the concept explanation, then practise to create mastery evidence.
2
Learning objective
2.2.2—Collision theory
New
• Sufficient energy + proper orientation required
• Kinetic energy and temperature (Kelvin)
• Explain successful collisions using activation energy and orientation
0%
Mastery
0
Attempts
0
Mistakes
Start with the concept explanation, then practise to create mastery evidence.
3
Learning objective
2.2.3—Factors affecting rate
New
• Pressure, concentration, surface area, temperature, catalyst
• Predict and explain rate changes when conditions change
0%
Mastery
0
Attempts
0
Mistakes
Start with the concept explanation, then practise to create mastery evidence.
4
Learning objective
2.2.4—Activation energy (Ea)
New
• Minimum energy for successful collision
• Maxwell-Boltzmann distribution curves
• Use Maxwell-Boltzmann curves to show temperature effects on successful collisions
0%
Mastery
0
Attempts
0
Mistakes
Start with the concept explanation, then practise to create mastery evidence.
5
Learning objective
2.2.5—Catalysts
New
• Provide alternative pathway with lower Ea
• Energy profiles with/without catalysts
• Explain catalyst effects on energy profiles and Maxwell-Boltzmann distributions
0%
Mastery
0
Attempts
0
Mistakes
Start with the concept explanation, then practise to create mastery evidence.