Consider the following equilibrium: 4HCI(g) + O_2(g) 2H_2 O(g) + 2cl_2(g) + ener

Question

Consider the following equilibrium: 4HCI(g) + O_2(g) 2H_2 O(g) + 2cl_2(g) + energy The temperature of the equilibrium system is increased and a new equilibrium is established. The rates of the forward and reverse reactions for the new equilibrium compared to the original equilibrium have Consider the following reaction: 2Hg(g) + O_2(g) 2HgO(s) The equilibrium constant expression for the reaction is k_eq = 1/[Hg]^2[O_2] k_eq = [Hg]^2[O_2] k_eq = [HgO]^2/[Hg]^2[O]^2 K_eq = [2HgO]/{2hG][O_2] The value of Keq changes when a catalyst is added. the temperature changes. the surface area changes. the concentration of reactants changes.

Explanation / Answer

10) In endothermic reactions, increase in temperature favours forward reaction in order to decrease the increased temperature. option A is correct

11) equilibrium constant expression is the ratio of concentration terms of products to the reactants. The activity of solids is zero and does not involved in equilibrium constant expression. option A is correct

12) the value of Keq changes when the concentration of reactants changes.

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