Learning objectives

Express the rate of a reaction in terms of the rate of change of concentration of a reactant or product, taking account of the stoichiometric coefficients

Determine the order with respect to each reactant and the overall rate law from initial-rate data, and calculate the rate constant with its correct units

Identify a reaction as zeroth, first or second order from which plot of concentration data gives a straight line, and determine the rate constant from the slope

Calculate concentration at a given time, or the time to reach a given concentration, using the integrated rate law, and use the constant half-life of a first-order reaction

Justify a claim about reaction order using experimental concentration–time data rather than the balanced equation

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