Chemistry unit4 0.0 / 5 ? Chemistryall unit 4A2/A-levelAQA Created by: yasmin_leighCreated on: 16-03-16 17:27 Define a bronsted-Lowry acid and base? A bronstead-Lowry acid is a proton donor and a base is proton acceptor. 1 of 5 For an exothermic reaction what happens when temperature decreases? Equilibrium shifts right and Kc increases. 2 of 5 For an endothermic reaction what happens when the temperature decreases? Equilibrium shifts left and Kc decreases. 3 of 5 How do you find the pH of a weak acid? Ka= 4 of 5 What is pKa? pKa= - 5 of 5
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