Predict qualitatively how on the position of changes in conditions equilibrium and on the January 2009 affect the position of an value of Kp Unit 4 Q3 equilibrium and the value of Kp Understand that, whilst a June 2009 catalyst can affect the rate Unit 4 Q2 Understand the effect of of attainment of an a catalyst affects an equilibrium, it does not equilibrium and Kp affect the value of the equilibrium constant. 3.1.12 Define an acid as a 3.2 proton Students: and bases. donor and a as a revise reactions of acids and proton acceptor. bases in terms of proton transfer 3.1.12.1 complete titration calculations Brønsted–Lowry perform a range of calculations base equilibria in to involving the pH and aqueous solution. concentration of strong acids, strong bases, weak acids and The idea of acids as buffer solutions proton donors and interpret pH curves and select bases as proton suitable indicators from given acceptors. data describe qualitatively the action 3.1.12.2 Convert concentration of of a variety of buffer solutions. Definition and hydrogen ions into pH and determination of pH. vice versa. Practical activities: test-tube reactions of acids and Know how to calculate Calculate the pH of a bases the pH of strong acids solution of a strong acid how to calibrate and use a pH from concentration and from its concentration. meter vice versa. use pH meters to produce pH Know that water is slightly 3.1.12.3 curves The ionic product of dissociated. water, Kw
Predict qualitatively how changes in conditions affect the position of an equilibrium and the value of Kp Understand the effect of a catalyst affects an equilibrium and Kp on the position of equilibrium and on the value of Kp Understand that, whilst a catalyst can affect the rate of attainment of an equilibrium, it does not affect the value of the equilibrium constant. January 2009 Unit 4 Q3 June 2009 Unit 4 Q2 3.1.12 and bases. 3.1.12.1 Brønsted–Lowry equilibria in aqueous solution. The idea of acids as proton donors and bases as proton acceptors. 3.2 Define an acid as a proton donor and a base as a proton acceptor. Students: revise reactions of acids and bases in terms of proton transfer complete titration calculations perform a range of calculations to involving the pH and concentration of strong acids, strong bases, weak acids and buffer solutions interpret pH curves and select suitable indicators from given data describe qualitatively the action of a variety of buffer solutions. Practical activities: test-tube reactions of acids and bases how to calibrate and use a pH meter use pH meters to produce pH curves 3.1.12.2 Definition and determination of pH. Know how to calculate the pH of strong acids from concentration and vice versa. Convert concentration of hydrogen ions into pH and vice versa. Calculate the pH of a solution of a strong acid from its concentration. 3.1.12.3 The ionic product of water, Kw Know that water is slightly dissociated.
AQA-7405-B-SOW.DOCX