Calculate the standard gibbs free energy of each of the following reactions: 1.(g) = 2(g), k = 6.8 at 1200. k ag, cro (s) = 2 ag" (aq) + cro (aq). k = 1.1 x 10" at 298 k 56.20 calculate the standard gibbs free energy for each of the following reactions: (a) h; (g) + 1,(g) = 2 hi(g), k = 54 at 700. k (b) cci, cooh(aq) + h2o(l) = cci, co,- (aq) + h,0* (aq), k = 0.30 at 298 k 621 calculate the equilibrium constant at 25°c for each of the following reactions, by using data in appendix 2a: (a) the combustion of hydrogen: 2 h2(g) + 0,(g) + 2 h2o(g) (b) the oxidation of carbon monoxide: 2 co(g) + o,(g) = (c) the decomposition of limestone: caco3(s) cao(s) + co; (8) 56.22 calculate the equilibrium constant at 25°c for each of the following reactions, by using data in appendix 2a: (a) the synthesis of trichloromethane (chloroform) from natural gas (methane). age(ch, cl, g) = 48.5 k-mol ch.(g) + cl,(g) - ch, ci(g) + hcl(g) (b) the hydrogenation of acetylene to ethane: ch,(g) + 2 h3(g) - ch(g) @) the final step in the industrial production of nitric acid 3 no.(g) + h,0() -- 2 hno, (aq) + no(g) (d) the reaction of hydrazine and oxygen in a rocket: nh.(1) + o2(g) - n(g) + 2 h 0(1) 2co: (8)