Acetylene and oxygen react to form carbon dioxide and water, like this: 2C,H,(g)+50,(g) → 4CO,(g)+2H,0(g) Suppose a mixture of C,H,, 0,, CO, and H,0 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 C,H, will v? Some H,0 is removed. O to the left go up. The pressure of O, will O (none) go down. not change. O to the right The pressure of O, will Some C,H, is added. O to the left The pressure of CO, will O (none)

Hydrogen chloride and oxygen react to form water and chlorine, like this: 4HCI(g)+O,(g) → 2H,0(g)+2Cl,(g) Suppose a mixture of HCI, 0,, H,0 and Cl, 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. olo perturbation change in composition shift in equilibrium Ar O to the right The pressure of O, will ? to the left Some HCl is removed. The pressure of H20 will (none) to the right The pressure of HCl will ? Some H,0 is added. to the left The pressure of O, will (none)

A chemical engineer is studying the following reaction: HCH3CO2(aq)+CH3NH2(aq) → CH3CO2(aq)+CH3NH(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.80. The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. She then measures the composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time she measures the compositions. reaction vessel compound concentration expected change in concentration HCH CO₂ 0.58 M ↑ increase ↓ decrease (no change) CH3NH2 0.57 M ↑ increase ↓ decrease (no change) A CH3CO2 1.09 M ○ ↑ increase ↓ decrease (no change) CH,NH, 1.28 M ○ ↑ increase ↓ decrease (no change) HCH,CO₂ CH3NH2 1.28 M ↑ increase ↓decrease (no change) 1.27 M ↑ increase ↓ decrease (no change) B CH,CO, 0.39 M ↑ increase ↓ decrease (no change) CHÍNH, HCH3CO2…

Sulfur dioxide and oxygen react to form sulfur trioxide, like this: 2 SO,(g)+O,(g) –→ 2 SO3(9) The reaction is exothermic. Suppose a mixture of SO,, O, and SO, 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 temperature is raised. The pressure of SO3 will O to the left O (none) O to the right The temperature is lowered. The pressure of SO2 will v ? O to the left go up. O (none) go down. not change. Explanation Check 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Cent b國 TO00 FEB 21 23 tv MacBook Air DII DD 30 888 F7 F8 F9 10 esc F2 F4 F5 F6 F1 F3 #3 $ 6. 8 9 ....

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Methane and hydrogen sulfide react to form carbon disulfide and hydrogen, like this: CH (g)+2H,S(g) - Cs,(g)+4H, (g) Suppose a mixture of CH, H,S, CS, and H, 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. dh perturbation change in composition shift in equilibrium to the right The pressure of CH, will O to the left Some CS, is removed. The pressure of H,S will O (none) O to the right The pressure of CH, will O to the left Some H,S is added. The pressure of CS, will O (none) |Privacy Accessibility Check Explanation O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Cip 60wa ORAshed plerof

A chemical engineer is studying the following reaction: 2 NO(g)+2H,(g) – N(a)+2H,0(g) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.17. The engineer charges ("fills") four reaction vessels with nitrogen monoxide and hydrogen, and lets the reaction begin. She then measures the composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. db Predict the changes in the compositions the engineer should expect next time she measures the compositions. Ar reaction vessel compound pressure expected change in pressure NO 7.34 atm Ot increase OI decrease O (no change) H, 1.96 atm O f increase OI decrease O (no change) N 1.66 atm O t increase OI decrease O (no change) H,0 10.20 atm O f increase OI decrease O (no change) NO 9.18 atm O t increase OI decrease O (no change) H. 3.80 atm O f increase OI decrease O (no change) B N, 0.74 atm O f increase OI decrease O (no change) HO 8.36 atm O f…

A 2.00-L reaction vessel is charged with hydrogen iodide, which partially decomposes to molecular hydrogen and iodine:​2 HI (g) ó H2(g) + I2(g) When the system comes to equilibrium at 128 °C, [HI] = 0.572 mol, and [H2] = [I2] = 0.180 mol. The value of Kc at this temperature is:

Ammonia and oxygen react to form nitrogen and water, like this: 4NH, (g)+30, (g) → 2N,(g)+6H,0(g) Suppose a mixture of NH2, O,, N, and H,0 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. ol perturbation change in composition shift in equilibrium A to the right The pressure of O, will to the left Some NH, is removed. The pressure of N2 will O (none) to the right The pressure of NH3 will to the left Some N, is added. The pressure of O, will ? O (none)

Using Le Chatelier's Principle to predict the result of changing... Hydrogen chloride and oxygen react to form water and chlorine, like this: 4HC1(g) + O₂(g) 2H₂O(g) +2Cl₂(g) Suppose a mixture of HC1, 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 Some O₂ is added. Some H₂O is removed. change in composition The pressure of HCI will The pressure of H₂O will The pressure of HCI will The pressure of O₂ will ? ? ? ? shift in equilibrium X to the right to the left (none) to the right to the left (none) Ś 0 C