Initial rates

You can find the order by turning a concentration-time graph into a rate-concentration graph and looking at its shape. Another way to find reaction orders is by looking at initial rates.The initial rate of a reaction is the rate right at the start of the reaction. You can find this from a concentration-time graph by calculating the gradient of the tangent at time=0

• carry out the reaction, continuosly monitoring one reactant,use this to draw a concentration-time graph
• repeat the experiment using a different initial cncentration of the reactant
• use your graphs to calculate the initial rate…