Chemistry - Chemical Equilibrium Question with Solution | TestHub

$$\begin{array}{c}\text{For}\text{the}\text{equilibrium:}\text{NiO(s)}\text{+}\text{CO(g)}\rightleftharpoons \text{Ni(s)}\text{+}{\text{CO}}_{\text{2}}\text{(g),}\Delta \text{G}{}^{\circ }\text{(cal/mol)}\text{=}\text{-5320}\text{-}\\ \text{5.6T(K).}\text{The}\text{temperature}\text{(in}\text{Kelvin)}\text{at}\text{which}\text{the}\text{gaseous}\text{mixture}\text{at}\\ \text{equilibrium}\text{contains}\text{400}\text{ppm}\text{of}\text{CO,}\text{by}\text{mole,}\text{is}\text{[ln}\text{10}\text{=}\text{2.3,}\text{ln}\text{2}\text{=}\text{0.7;}\text{take}\\ \text{R}\text{=}\text{2}\text{cal/mol/K]}\end{array}$$