Exam (elaborations)
AQA A Level Chemistry Paper 1 2022 SOLUTION 100% REVISED 2023//2024
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Bronsted-Lowry acid - ANSWER a proton donor. Bronsted-Lowry base - ANSWER proton acceptor What is H3O+? - ANSWER hydronium ion definition of pH - ANSWER -log10[H+] How do you get [H+] from ph? - ANSWER 10^(-pH) the ionic product of water - ANSWER [OH-][H+] Is dissociation an endo or exothermic reaction? - ANSWER endothermic Why is the concentration of water not included in Kw? - ANSWER The concentration of water is so large and constant the equilibrium equation can be simplified How does temperature affect Kw? - ANSWER The hotter the water is, the more dissociated it is and the larger its Kw value.
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