CHEMISTRY · Multi-part · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)
Problem
KC for CO(g)+H2O(g)⇌CO2(g)+H2(g) at 986∘C is 0.63. A mixture of 1 mole H2O(g) and 3 mole CO(g) is allowed to react to come to an equilibrium. The equilibrium pressure is 2.0 atm.
(i) How many mole of H2 are present at equilibrium ?
(ii) Calculate partial pressure of each gas at equilibrium