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The initial concentrations or pressures of reactants and products are given for each of the following systems. Calculate the reaction quotient and determine the direction in which each system will proceed to reach equilibrium. (The system is considered in equilibrium if Kc and Qc are within 5% of each other.) (a) 2 NH3(g) ⇌ N2(g) + 3 H2(g) [NH3]i = 0.540 M, [N2]i = 0.165 M, [H2]i = 0.110 M, Kc = 16 What is the reaction quotient? (b) 2 NH3(g) ⇌ N2(g) + 3 H2(g) Pi(NH3) = 1.95 atm, Pi(N2) = 11.45 atm, Pi(H2) = 11.45 atm, Kp = 4.4 × 104 What is the reaction quotient? (c) 2 SO3(g) ⇌ 2 SO2(g) + O2(g) [SO3]i = 2.15 M, [SO2]i = 2.15 M, [O2]i = 2.15 M, Kc = 0.23 What is the reaction quotient? (d) 2 SO3(g) ⇌ 2 SO2(g) + O2(g) Pi(SO3) = 0.115 atm, Pi(SO2) = 1.05 atm, Pi(O2) = 1.20 atm, Kp = 7.8 atm What is the reaction quotient? (e) 2 NO(g) + Cl2(g) ⇌ 2 NOCl(g) Pi(NO) = 1.30 atm, Pi(Cl2) = 1.30 atm, Pi(NOCl) = 0 atm, Kp = 4.0 × 103 What is the reaction quotient? (f) N2(g) + O2(g) ⇌ 2 NO(g) [N2]i = 0.100 M, [O2]i = 0.200 M, [NO]i = 1.00 M, Kc = 0.050 What is the reaction quotient?

          The initial concentrations or pressures of reactants and products are given for each of the following systems. Calculate the reaction quotient and determine the direction in which each system will proceed to reach equilibrium. (The system is considered in equilibrium if Kc and Qc are within 5% of each other.)

(a) 2 NH3(g) ⇌ N2(g) + 3 H2(g) [NH3]i = 0.540 M, [N2]i = 0.165 M, [H2]i = 0.110 M, Kc = 16 What is the reaction quotient?

(b) 2 NH3(g) ⇌ N2(g) + 3 H2(g) Pi(NH3) = 1.95 atm, Pi(N2) = 11.45 atm, Pi(H2) = 11.45 atm, Kp = 4.4 × 104 What is the reaction quotient?

(c) 2 SO3(g) ⇌ 2 SO2(g) + O2(g) [SO3]i = 2.15 M, [SO2]i = 2.15 M, [O2]i = 2.15 M, Kc = 0.23 What is the reaction quotient?

(d) 2 SO3(g) ⇌ 2 SO2(g) + O2(g) Pi(SO3) = 0.115 atm, Pi(SO2) = 1.05 atm, Pi(O2) = 1.20 atm, Kp = 7.8 atm What is the reaction quotient?

(e) 2 NO(g) + Cl2(g) ⇌ 2 NOCl(g) Pi(NO) = 1.30 atm, Pi(Cl2) = 1.30 atm, Pi(NOCl) = 0 atm, Kp = 4.0 × 103 What is the reaction quotient?

(f) N2(g) + O2(g) ⇌ 2 NO(g) [N2]i = 0.100 M, [O2]i = 0.200 M, [NO]i = 1.00 M, Kc = 0.050 What is the reaction quotient?

Added by Kathy C.

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