litrogen monoxide and ozone react to form nitrogen dioxide and oxygen, like this: NO(g)+O3(g) → NO,(9)+O2(9) he reaction is exothermic. Suppose a mixture of NO, O3, NO, and O, 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 O to the left The temperature is owered. v ? The pressure of NO will go up. (none) go down. not change. to the right O to the left The temperature is raised. The pressure of NO2 will O (none)

litrogen monoxide and ozone react to form nitrogen dioxide and oxygen, like this: NO(g)+O3(g) → NO,(9)+O2(9) he reaction is exothermic. Suppose a mixture of NO, O3, NO, and O, 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 O to the left The temperature is owered. v ? The pressure of NO will go up. (none) go down. not change. to the right O to the left The temperature is raised. The pressure of NO2 will O (none)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Nitrogen monoxide and ozone react to form nitrogen dioxide and oxygen, like this: NO(g)+O3(g) → NO,(9)+O2(g) The reaction is exothermic. Suppose a mixture of NO, O3, NO, and O, 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 to the left The temperature is raised. The pressure of O3 will ? (none) to the right The temperature is lowered. to the left The pressure of 0, will ? O (none) ?
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At 448 °C, the equilibrium constant Kc for the reactionH2(g) + I2(g) ⇌ 2 HI(g)is 50.5. Predict in which direction the reaction proceeds to reach equilibrium if we start with 2.0 x 10-2 mol of HI,1.0 x10-2 mol of H2, and 3.0 x 10-2 mol of I2 in a 2.00-L container.
2) The dehydrogenation of benzyl alcohol to benzaldehyde is an equilibrium process described by the following reaction: C6HSCH2OH (g)I1 C6HSCHO (g) + H2 (g) At 523 K, the value of the equilibrium constant K is 0. 558 If 1.20 g of benzyl alcohol is placed in a 1.00 L flask, sealed, and heated to 523 K, determine the molar concentrations of all materials at equilibrium a) Using successive approximation b) Using the quadratic formula
A chemical engineer is studying the following reaction: HCH, CO,(aq4)+CH; NH,(aq) → CH, Co,(aq)+CH; NH,(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.61. 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 expected change in concentration concentration HCH,Co, 1.22 M Ot increase O! decrease O (no change) CH,NH, 1.37 M OI decrease O (no change) increase CH,CO, OI decrease O (no change) 0.25 M Ot increase CH,NH Ot increase O L deerease O (no change) 0.01 M HCH,CO, 0.72 M 01 ncrease OI decrelase O (no change) CH,NH, Ot ngrease Odecrease O (no change) 0.87 M B CH,Co. O ino change) 0.75 M Orerease OI…
The elementary reaction 2H20(g)2H2(g)+O2(g) proceeds at a certain temperature until the partial pressures of H20 , H2 , and O2 reach 0.053 atm, 0.0077 atm , and 0.0049 atm , respectively, at equilibrium. What is the value of the equilibrium constant at this temperature? Do not write your answer in scientific notation, give your answer as a decimal.
Hydrogen and fluorine react to form hydrogen fluoride, like this: H₂(9)+F₂(9) → 2 HF(9) The reaction is exothermic. Suppose a mixture of H2, F2 and HF 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 to the left The temperature is raised. The pressure of HF will ? ○ (none) to the right The temperature is lowered. The pressure of H2 will ? to the left (none)
Sulfur dioxide and oxygen react to form sulfur trioxide, like this: 250,(g)+O,(g) → 2So,(g) 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 to the right The pressure of O2 will to the left Some So, is added. The pressure of SO3 will ? (none) to the right The pressure of SO2 will ? Some SO3 is removed. to the left The pressure of O2 will (none) O O
A chemical engineer is studying the following reaction: CH,CH,NH,(aq)+HCl(aq) → Cl (aq)+CH,CH,NH;(aq) At the temperature the engineer picks, the equilibrium constant K¸ for this reaction is 0.92. The engineer charges ("fills") four reaction vessels with ethylamine and hydrogen chloride, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction compound concentration expected change in concentration vessel CH, CH,NH, 0.79 M f increase I decrease (no change) HCl 0.69 M f increase I decrease (no change) А Cl 0.62 M f increase I decrease (no change) CH,CH,NH, 0.81 M f increase I decrease O (no change) CH, CH,NH, 1.09 M f increase I decrease (no change) HCl 0.99 M f increase I decrease (no change)
A chemical engineer is studying the following reaction: H₂(g) + Cl₂(g) → 2 HCl(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.33. The engineer charges ("fills") three reaction vessels with hydrogen and chlorine, 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 A B с compound H₂ C1₂ HC1 H₂ CL, HCl H₂ CL₂2 HC1 pressure 4.42 atm 5.14 atm 1.90 atm 3.61 atm 4.33 atm 3.53 atm 4.59 atm 5.31 atm 1.57 atm expected change in pressure ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↑ increase ↓ decrease ↓decrease ↓ decrease ↓ decrease ↓ decrease ↓ decrease ↓decrease ↓decrease ↓ decrease (no change) (no change) (no change) (no change) (no change) (no change) (no…
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chemical engineer is studying the following reaction: BF3(aq)+NH3(aq) → BF3NH3(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.61. The engineer charges ("fills") three reaction vessels with boron trifluoride and ammonia, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel compound concentration expected change in concentration A BF 3 NH₂ 0.98 M Of increase ↓ decrease O(no change) 0.84 M O↑ increase Odecrease BF, NH₂ 0.50 M O↑ increase O decrease (no change) O(no change) BF3 1.42 M O increase ↓ decrease O(no change) B NH3 1.28 M O↑ increase ↓ decrease O(no change) BF3NH3 0.06 M O↑ increase Odecrease (no change) BF3 0.54 M O↑ increase Odecrease C NH₂ 0.40 M ↑ increase BF3NH3 0.94 M O↑ increase O↓…