Le Châtelier’s principle is related ultimately to the rates ofthe forward and reverse steps in a reaction. Explain (a) why anincrease in reactant concentration shifts the equilibrium positionto the right but does not change K; (b) why a decrease in Vshiftsthe equilibrium position toward fewer moles of gas but does notchange K; (c) why a rise in Tshifts the equilibrium position of anexothermic reaction toward reactants and also changes K;and(d) why a rise in temperature of an endothermic reaction from T1to T₂ results in K₂ being larger than K1

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