Please help me solve these two problems. Attached are two images. If you answer them correctly, I will give you a thumbs up (:

Phosphorus pentachloride decomposes according to the chemical equation PCI; (g) = PCI,(g) + Cl, (g) K. = 1.80 at 250 C A 0.3383 mol sample of PCI, (g) is injected into an empty 4.25 L reaction vessel held at 250 C. Calculate the concentrations of PCI, (g) and PCI, (g) at equilibrium. [PCI, 1 = 0.0388 M Incorrect [PCI,1 = 0.0836 M Incorrect Calculate the value of the equilibrium constant, K., for the reaction Q(g) + X(g) = 2M(g) + N(g) given that M(g) = Zg) 6R(g) = 2N(g) + 4Z(g) 3 X(g) + 3 Q(g) = 9R(g) KI = 3.49 K2 = 0.443 = 14.6 K =