2. NH4Cl(s) ↔ NH3(g) + HCl(g) ∆H = +42.1 kilocalories Suppose the substances in the reaction above are at equilibrium at 600K in volume V and at pressure P. State whether the partial pressure of NH3(g) will have increased, decreased, or remained the same when equilibrium is reestablished after each of the following disturbances of the original system. Some solid NH4Cl remains in the flask at all times. Justify each answer with a one-or-two sentence explanation. (d) A quantity of gaseous HCl is added. (e) A quantity of gaseous NH3 is added. Note: Please answer D-E

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

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At 1000 K, a sample of pure NO₂ gas decomposes: 2 2NO₂(g) = 2NO(g) + O₂(g) The equilibrium constant Kp, is 158. Analysis shows that the partial pressure of O₂ is 0.41 atm at equilibrium. Part 1 of 2 What is the pressure of NO? Be sure your answer has the correct number of significant digits. Part 2 of 2 atm x10 atm X What is the pressure of NO₂? Be sure your answer has the correct number of significant digits. Ś x10

At a given temperature, the system N₂(g) + O₂(g) ≈ 2NO (g) is at equilibrium with Kp = 4.15.The system has the following partial pressures PN 2 1.23 atm and PNO = 5.35 atm. Determine the partial pressure of the oxygen gas present in this equilibrium mixture. -

Use the information below to complete the chart about Le Chateliers principle

An unknown solid is introduced into a rigid 3.00-L vessel, the vessel is sealed, and the temperature is raised to 500K. At this temperature, the A2C vaporizes and decomposes according to the reaction:   A2C (s) ----> 2 A (g) + 2 C (l), Kc= 6.90x10-5   What is the equilibrium partial pressure of A?

Methane and water react to form hydrogen and carbon monoxide, like this: CH4(g) + H₂O(g) → 3 H₂(g) + CO(g) The reaction is endothermic. Suppose a mixture of CH4, H₂O, H₂ and CO has come to equilibrium in a closed reaction vessel. Predict what change, if 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. any, the perturbation change in composition The temperature is raised. The pressure of CH4 will The temperature is lowered. The pressure of H₂ will ? ? ↑ î shift in equilibrium O X to the right to the left (none) to the right to the left (none) Ś

● Nitrogen dioxide decomposes according to the rection: 2NO₂(g) → 2 NO(g) + O₂(g) where Kp = 4.48x 10-13. A pressure of 0.75 atm of NO₂ is introduced into a 1.00 L container and allowed to come to equilibrium. What are the equilibrium partial pressure of NO(g) and O₂(g)?

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