1. Chemistry Chapter 6 – The rate and extent of chemical change – measuring rates, calculating rates and factors affecting rates
State 3 ways of measuring reaction time:
What do you mean by the “rate of reaction”?
State the 5 factors that affect the rate of reaction.
Explain the effect of surface area on the rate of reaction.
Draw a diagram to represent it.
“Large particles“ “Small particles”
State 3 pieces of equipment we can use to collect gas during a reaction and describe which one will give the most precise results and why.
Explain the effect of concentration on the rate of reaction.
Draw a diagram to represent it.
“Low” “High”
Describe what the graph below is showing.
State the equation to calculate the mean rate of reaction.
HIGHER TIER: Define the term limiting reagent.

2. Chemistry Chapter 6 – The rate and extent of chemical change –factors affecting rates and collision theory
Explain the effect of temperature on the rate of reaction.
Draw a diagram to represent it.
“Low” “High”
Explain the effects of catalysts on the rate of reaction. Include the definition.
Describe what collision theory is.
Describe what collision theory is.
Give examples of catalysts that are widely use in industry.
Describe what the graph shows below.
Describe how are we can increase the rate of reaction.
What is the small amount of energy that needs to be overcome for a reaction to occur?

3. Chemistry Chapter 6 – The rate and extent of chemical change – reversible reactions and equilibrium
What are reversible reactions? Include the symbol used to show a reversible reaction.
Describe the hydrated copper sulphate reversible reaction. HIGHER TIER: State which reaction is endothermic and which is exothermic.
If the concentration of the reactants is greater than the concentration of the products what is the position of the equilibrium?
If the concentration of the reactants is less tan the concentration of the products what is the position of the equilibrium?
HIGHER TIER: Using Le Chatelier’s principle explain the effect of increasing and decreasing the temperature on the rate of reaction. Include the direction.
HIGHER TIER: Explain Le Chatelier’s Principle.
HIGHER TIER: Using Le Chatelier’s principle explain the effect of increasing and decreasing the pressure on the rate of reaction. Include the direction.
HIGHER TIER: Using Le Chatelier’s principle explain the effect of increasing and decreasing the concentration on the rate of reaction. Include the direction.
Define the term equilibrium and explain what happens at equilibrium.

4. Chemistry Chapter 6 – The rate and extent of chemical change– 2 x RP and maths
Describe how you draw a graph.
Describe a method used to investigate the rate of reaction for a colour change. Include a diagram of your set up.
Describe a method used to investigate the rate of reaction for volume of gas. Include a diagram of your set up.
Describe how we can find the gradient of a straight line in a graph.
Draw a tangent on the graph to calculate the rate of reaction at approx. 35g.
Independent variable –
Dependent variable –
Control variables -
Independent variable –
Dependent variable –
Control variables -
Explain how this experiment follows Newton’s second law of motion.
Write a risk assessment for this practical. Include the risk, hazard and control for at least 1 risk.