Chemistry 2.1 Equilibrium and acid-base reactions 0.0 / 5 ? ChemistryAcids, bases and saltsASWJEC Created by: DanCreated on: 28-12-13 12:19 Give the definition of a reversible reaction A reaction which takes place in both forward and backward direction 1 of 6 What is dynamic equilibrium? Where the forward and backward reactions occur at the same rate 2 of 6 State Le Chatelier's principle. If a system at equilibrium is subjected to a change, the equilibrium tends to shift so as to minimise the effect of the change 3 of 6 State 3 ways of changing the position of equilibria Changing concentration of reactants or products, pressure in reactions involving gases and temperature 4 of 6 How can we predict what the change will be? using Le Chatelier's principle 5 of 6 How does a catalyst affect the position of equilibrium? It does not effect position of equilibrium, but equilibrium is reached much faster 6 of 6
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