ammonium chloride, at equal rates; the carbon dioxide in water concentrations of and chromate (VI) and reactants and products dichromate (VI) and to remain constant. investigate dynamic equilibrium. 2 Investigating dynamic 9.1 equilibrium Use observations from reactions in equilibrium Investigate what to make inferences happens at equilibrium explain that in a reversible reaction at through the changes equilibrium forward and reverse reactions between iodine in proceed at equal rates cyclohexane and explain that in a reversible reaction at potassium iodide equilibrium the concentrations of reactants and products remain constant 3 The equilibrium 9.2 constant Kc construct an expression for Kc for a Introduce what is meant homogeneous system in equilibrium by a homogenous and calculate a value for Kc from the equilibrium heterogeneous system. concentrations for a homogeneous system at Introduce the expression constant temperature for Kc and use it to perform calculations involving Kc perform calculations 4 Determining Kc for the 9.2 reaction of ethanol and ethanoic acid describe how to carry out an investigation to determine Kc Use the reaction Determine the value of Kc from data obtained between ethanol and from reliable and accurate observations. ethanoic acid to compare the value to accepted values and determine the value of account for differences Kc 5 Factors affecting 9.3 equilibrium
ammonium chloride, carbon dioxide in water and chromate (VI) and dichromate (VI) and to investigate dynamic equilibrium. at equal rates; the concentrations of reactants and products remain constant. 2 Investigating dynamic equilibrium Investigate what happens at equilibrium through the changes between iodine in cyclohexane and potassium iodide Use observations from reactions in equilibrium to make inferences explain that in a reversible reaction at equilibrium forward and reverse reactions proceed at equal rates explain that in a reversible reaction at equilibrium the concentrations of reactants and products remain constant 9.1 3 The equilibrium constant Kc Introduce what is meant by a homogenous and heterogeneous system. Introduce the expression for Kc and use it to perform calculations construct an expression for Kc for a homogeneous system in equilibrium calculate a value for Kc from the equilibrium concentrations for a homogeneous system at constant temperature perform calculations involving Kc 9.2 4 Determining Kc for the reaction of ethanol and ethanoic acid Use the reaction between ethanol and ethanoic acid to determine the value of Kc describe how to carry out an investigation to determine Kc Determine the value of Kc from data obtained from reliable and accurate observations. compare the value to accepted values and account for differences 9.2 5 Factors affecting equilibrium 9.3
Chemistry%20SoW%20Year%201.docx