N,(2)+3H,(g) → 2NH;(g) uppose a mixture of N,, H, and NH, has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table belov ause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition shift in equilibrium to the right The pressure of H2 will ? Fome N, is added. to the left The pressure of NH3 will ? (none) to the right The pressure of N2 will ? Fome NH3 is removed. to the left The pressure of H2 will ? (none)

Sulfur dioxide and oxygen react to form sulfur trioxide, like this: 2SO₂(g) + O₂(g) 2SO3(g) Suppose a mixture of SO2, O2 and SO3 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation Some SO₂ is added. Some SO3 is removed. change in composition The pressure of O₂ will The pressure of SO3 will The pressure of SO₂ will The pressure of 0₂ will ? ? ? ? ŵ ↑ ↑ î shift in equilibrium X O O to the right to the left (none) to the right to the left (none) Ś

Hydrogen chloride and oxygen react to form water and chlorine, like this: 4HCl(g) + O2(g) →>> 2H2O(g)+2Cl2(g) Suppose a mixture of HCl, O2, H2O and Cl2 has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition shift in equilibrium to the right The pressure of HCl will ? Some Cl₂ is added. to the left The pressure of O₂ will ? ○ (none) to the right The pressure of O2 will ? Some HCl is removed. to the left The pressure of H2O will ? O (none)

Nitrogen and hydrogen react to form ammonia, like this: N,(g)+3H,(8) - 2NH3 (g) Suppose a mixture of N,, H, and NH, has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation change in composition shift in equilibrium O to the right The pressure of N, will O to the left Some NH; is removed. ? The pressure of H, will O (none) go up. go down. not change. O to the right The pressure of N, will ? Some H, is added. O to the left The pressure of NH; will O (none)

Carbon disulfide and oxygen react to form carbon dioxide and sulfur dioxide, like this: CS₂(g) +30₂(g) CO₂(g) +2SO₂(g) Suppose a mixture of CS2, O2, CO2 and SO₂ has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. perturbation Some O₂ is added. - Some CO₂ is removed. change in composition The pressure of CS₂ will The pressure of CO₂ will The pressure of CS₂ will The pressure of O₂ will ? ? ? ? ↑ ↑ ↑ ↑ shift in equilibrium X O OOO to the right to the left (none) to the right to the left O (none)