Question

4. At 1200°C, the value of Keq for the formation of hydrogen chloride gas from its elements is 2.51x10^4. Determine the equilibrium concentrations of all species if 0.250 mol of both chlorine gas and hydrogen gas are placed in a 1.00 L vessel and allowed to reach equilibrium. (4 Marks) H2(g) + Cl2(g) ? 2 HCl(g) 5. Phosphorus pentachloride decomposes to phosphorus trichloride and chlorine gas. A 1.10 mol/L sample of PCl5 was placed into a vessel. At equilibrium it was determined that the concentration was 0.33 mol/L. Calculate the Keq for this reaction. (4 Marks) PCl5(g) ? PCl3(g) + Cl2(g)

          4. At 1200°C, the value of Keq for the formation of hydrogen chloride gas from its elements is 2.51x10^4. Determine the equilibrium concentrations of all species if 0.250 mol of both chlorine gas and hydrogen gas are placed in a 1.00 L vessel and allowed to reach equilibrium. (4 Marks)

H2(g) + Cl2(g) ? 2 HCl(g)

5. Phosphorus pentachloride decomposes to phosphorus trichloride and chlorine gas. A 1.10 mol/L sample of PCl5 was placed into a vessel. At equilibrium it was determined that the concentration was 0.33 mol/L. Calculate the Keq for this reaction. (4 Marks)

PCl5(g) ? PCl3(g) + Cl2(g)

4. At 1200°C, the value of Keq for the formation of hydrogen chloride gas from its elements is 2.51x10^4. Determine the equilibrium concentrations of all species if 0.250 mol of both chlorine gas and hydrogen gas are placed in a 1.00 L vessel and allowed to reach equilibrium. (4 Marks)

H2(g) + Cl2(g) ? 2 HCl(g)

5. Phosphorus pentachloride decomposes to phosphorus trichloride and chlorine gas. A 1.10 mol/L sample of PCl5 was placed into a vessel. At equilibrium it was determined that the concentration was 0.33 mol/L. Calculate the Keq for this reaction. (4 Marks)

PCl5(g) ? PCl3(g) + Cl2(g)

Added by Ian C.

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