(a) the terms: (i) rate of reaction; (ii) rate constant, including units; (iii) order of reaction (both overall and with CI Section 3 (a), (b), (c), (d), – – respect to a given reagent), use of (iv) rate equations of the form: rate = k[A]m[B]n where m and n are ‘∝’; (e), (i) integers; calculations based on the rate equation; the rate constant increasing with increasing temperature k The industrial production of sulfuric (b) the use of data to calculate half-lives for a reaction acid used in the fertiliser industry – then form the context for – (c) techniques and procedures for experiments in reaction kinetics; use of experimental data [graphical developing understanding of rates, methods (including rates from tangents of curves), half-lives or initial rates when varying concentrations are including determination of rate used] to find the rate of reaction, order of a reaction (zero-, first- or second-order), rate constant and equations. construction of a rate equation for the reaction (d) the Arrhenius equation and the determination of Ea and A for a reaction, given data on the rate constants at different temperatures (e) the term rate-determining step; relation between rate-determining step and the orders and possible mechanism for a reaction (i) the chemical reactions occurring during industrial processes
CI – Section 3 – (a), (b), (c), (d), (e), (i) The industrial production of sulfuric acid – used in the fertiliser industry – then form the context for developing understanding of rates, including determination of rate equations. (a) the terms: (i) rate of reaction; (ii) rate constant, including units; (iii) order of reaction (both overall and with respect to a given reagent), use of ‘∝’; (iv) rate equations of the form: rate = k[A]m[B]n where m and n are integers; calculations based on the rate equation; the rate constant k increasing with increasing temperature (b) the use of data to calculate half-lives for a reaction (c) techniques and procedures for experiments in reaction kinetics; use of experimental data [graphical methods (including rates from tangents of curves), half-lives or initial rates when varying concentrations are used] to find the rate of reaction, order of a reaction (zero-, first- or second-order), rate constant and construction of a rate equation for the reaction (d) the Arrhenius equation and the determination of Ea and A for a reaction, given data on the rate constants at different temperatures (e) the term rate-determining step; relation between rate-determining step and the orders and possible mechanism for a reaction (i) the chemical reactions occurring during industrial processes