Consider the following reaction and its equilibrium constant:
4CuO(s)+CH_4(g)⇌CO_2(g)+4Cu(s)+2H_2O(g)K=675
A reaction mixture in a 1.00 L container contains 20.0 g of CuO, 5.45 bar of CH_4, 16.6 bar of CO_2, 0.10 g of Cu, and 32.2 bar of H_2O. Which of the following statements is true concerning this system?
(a) The system is at equilibrium.
(b) The equilibrium constant will increase.
(c) The equilibrium constant will decrease.
(d) The reaction will shift in the direction of products.
(e) The reaction will shift in the direction of reactants.