A chemical engineer is studying the following reaction: CH3CH₂NH₂(aq) + HCl(aq) → Cl(aq)+CH₂CH₂NH3(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.84. 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 vessel compound concentration expected change in concentration CH,CH,NH, 0.71 M HCI 0.97 M A CI 0.76 M 0.76 M CH,CH,NH, 0.13 M CH,CH,NH, HCI 0.34 M B CI 1.05 M CH,CH,NH, 1.05 M 1 increase O decrease Ot increase O decrease Ot increase decrease Ot increase O decrease Ot increase O decrease Ot increase O decrease decrease decrease Ot increase O Ot increase O O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change)

A chemical engineer is studying the following reaction: CH3CH₂NH₂(aq) + HCl(aq) → Cl(aq)+CH₂CH₂NH3(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.84. 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 vessel compound concentration expected change in concentration CH,CH,NH, 0.71 M HCI 0.97 M A CI 0.76 M 0.76 M CH,CH,NH, 0.13 M CH,CH,NH, HCI 0.34 M B CI 1.05 M CH,CH,NH, 1.05 M 1 increase O decrease Ot increase O decrease Ot increase decrease Ot increase O decrease Ot increase O decrease Ot increase O decrease decrease decrease Ot increase O Ot increase O O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change) O (no change)

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...

See similar textbooks

Similar questions

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…
Carbon monoxide is a colorless, odorless gas that binds irreversibly to hemoglobin in our blood, causing suffocation and death. Co is formed during incomplete combustion of carbon. One way to represent this equilibrium is: 2c0(g)=2 C(s) + 02(g) We could also write this reaction three other ways, listed below. The equilibrium constants for all of the reactions are related. Write the equilibrium constant for each new reaction in terms of K, the equilibrium constant for the reaction above. 1) C(s) + 1/2 02(g)=co(g) K = 2) 2 C(s) + 02(g) =2c0(g) K2 = %3D 3) CO(g) C(s) + 1/2 02(g) K3 = Drag and drop your selection from the following list to complete the answer: 1/K K1/2 (1/K)1/2
A chemical engineer is studying the following reaction: HCN(aq)+NH,(aq) → CN (aq)+NH(aq) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 1.0. The engineer charges ("fills") four reaction vessels with hydrogen cyanide 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 compound concentration expected change in concentration vessel HCN 0.06 M O f increase OI decrease O (no change) NH, 0.22 M f increase OI decrease (no change) A CN 0.97 M increase I decrease (no change) NH, 1.23 M f increase OI decrease O (no change) HCN 0.53 M f increase OI decrease (no change) NH, 0.69 M f increase O I decrease (no change) В CN 0.50 M t increase OI decrease O (no change) NH, 0.76 M f increase Ot decrease (no change)…
The mathematical expression for the equilibrium constant kp, for the following reactions C(s) + H2O(g) CO(g) + H2(g) ΔH= 131.30 kJ
Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid synthesis. An industrial chemist studying this reaction fills a 5.0 L flask with 4.3 atm of sulfur dioxide gas and 3.9 atm of oxygen gas, and when the mixture has come to equilibrium measures the partial pressure of sulfur trioxide gas to be 3.9 atm. Calculate the pressure equilibrium constant for the reaction of sulfur dioxide and oxygen at the final temperature of the mixture. Round your answer to 2 significant digits. K, = 0
Methanol liquid burns readily in air. One way to represent this equilibrium is: 2 CH3ОН(1) + 3 02(9)+ 2 CO2(g) + 4 H20(g) We could also write this reaction three other ways, listed below. The equilibrium constants for all of the reactions are related. Write the equilibrium constant for each new reaction in terms of K, the equilibrium constant for the reaction above. 1) CНH3ОН(1) + 3/2 02(9)+ =cO2(g) + 2 H20(g) K1 = %D 2) 2 CO2(9) + 4 H20(g) 2 CH3ОН (1) + 3 02(9) K2 = 3) СO2(g) + 2 H20(g) еснзон (1) + 3/2 02(g) K3 : %3D Drag and drop your selection from the following list to complete the answer: к1/2 1/K (1/K)!/2
A student ran the following reaction in the laboratory at 653 K:2NH3(g) N2(g) + 3H2(g)When she introduced NH3(g) at a pressure of 0.964 atm into a 1.00 L evacuated container, she found the equilibrium partial pressure of NH3(g) to be 2.10×10-2 atm.Calculate the equilibrium constant, Kp, she obtained for this reaction.Kp =
Consider the following reaction: A(g) = 3 B(g) A reaction mixture initially contains 1.3 M of A. Determine the equilibrium concentration of B if Kc for the reaction at this temperature is 8.62 x 10. Calculate this based on the assumption that the x value is negligible compared to 1.3.
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 0.39. р The engineer charges ("fills") three reaction vessels with hydrogen and chlorine, 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 A B C compound H₂2 C1₂ HCl H₂ C12 H Cl H₂ C1₂ H Cl pressure 2.00 atm 2.71 atm 2.34 atm 2.70 atm 3.41 atm 0.93 atm 2.66 atm 3.37 atm 1.00 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…
Consider the following reactions and their respective equilibrium constants: NO (g) + ½ Brz (g) NOBI (g) K1 = 5.3 2 NO (g) + 02 (g)= N204 (g) K2 = 2.1 x 10-5 N204 (g) = N2 (g) + 2 O2 (g) K3 = 4.8 x 1025 se reactions and their equilibrium constants to predict the equilibrium constant for owing reaction: N2 (g) + O2 (g) + Br2 (g) 2 NOB1 (g)
Phosphorus pentachloride is formed when phosphorus trichloride and chlorine react according to the following reaction. PCI3(g)+ Cl2(g) = PCl5(g) The equilibrium constant for the reaction is Kc, = 37.5 at 145 °C. If 0.222 mol of phosphorus trichloride is added to 0.750 mol of chlorine in a 1.69 - L reaction vessel and allowed to react at this temperature, what is the equilibrium concentration (in mol/L) of phosphorus pentachloride? Report your answer to THREE significant figures.