The rate equation for the reaction between two reactants, G\text{G}G and H\text{H}H, is:
rate=k[G]2[H] \text{rate} = k[\text{G}]^2[\text{H}] rate=k[G]2[H]Define the term overall order of reaction.
Deduce the overall effect on the rate of reaction when the concentration of G\text{G}G is doubled and the concentration of H\text{H}H is halved.
At a certain temperature, the rate of reaction is 0.0225 mol dm−3 s−10.0225\text{ mol dm}^{-3}\text{ s}^{-1}0.0225 mol dm−3 s−1 when the concentration of H\text{H}H is 0.0800 mol dm−30.0800\text{ mol dm}^{-3}0.0800 mol dm−3. Calculate the concentration of G\text{G}G if the rate constant, kkk, is 4.50 mol−2 dm6 s−14.50\text{ mol}^{-2}\text{ dm}^6\text{ s}^{-1}4.50 mol−2 dm6 s−1.
32 exam-style questions on AQA A Level Chemistry Rate equations (A-level only), covering Rate equations (A-level only) and Determination of rate equation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.