9. The following reaction was allowed to reach equilibrium at 761 K. H2 (g) + 12 (g) 2HI (g) AH < 0 Outline the effect, if any, of each of the following changes on the position of equilibrium, giving a reason in each case. Effect Reason Increasing the volume, at constant temperature Increasing the temperature, at constant pressure

9. The following reaction was allowed to reach equilibrium at 761 K. H2 (g) + 12 (g) 2HI (g) AH < 0 Outline the effect, if any, of each of the following changes on the position of equilibrium, giving a reason in each case. Effect Reason Increasing the volume, at constant temperature Increasing the temperature, at constant pressure

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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5. To establish equilibrium in the following reaction at 250 °C, PC13(g) + Cl₂(g) · PCI5(g) K = 26 at 250 °C 0.100 mol each of PCI3 and Cl₂ and 0.0100 mol PCI are introduced into a 6.40 L reaction flask. How many moles of each of the gases will be present when equilibrium is established?
At –80°C, K for the reactionN2O4(g) 2NO2(g)is 4.66 × 10–8. We introduce 0.047 mole of N2O4 into a 1.0-L vessel at –80°C and let equilibrium be established. The total pressure in the system at equilibrium will be: a 0.31 atm b 0.74 atm c 1.4 atm d 0.047 atm e none of these
Calculating an equilibrium constant from a heterogeneous equilibrium... Iron and water react to form iron(III) oxide and hydrogen, like this: 2 Fe(s)+3 H₂O(g) →Fe2O3(s)+3 H2(g) At a certain temperature, a chemist finds that a 2.5 L reaction vessel containing a mixture of iron, water, iron(III) oxide, and hydrogen at equilibrium has the following composition: compound amount Fe 2.86 g Н20 2.70 g Fe2O3 2.61 g H₂ 2.34 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = 1 C ☐ x10 ☑ 5 ? 18 Ar New Chrome available :
At a certain temperature, the equilibrium constant K for the following reaction is 0.71: N₂(g) + O₂(g) 2 NO(g) Use this information to complete the following table. Suppose a 46. L reaction vessel is filled with 1.5 mol of N₂ and 1.5 mol of O₂. What can you say about the composition of the mixture in the vessel at equilibrium? What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. 2 NO(g) N₂(9)+0₂ (9) What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. 3 N₂(9)+30₂(9) I Don't Know tab caps lock Submit esc - 6 NO (9) ! 1 Q A 2 W S O There will be very little N₂ and 0₂. O There will be very little NO. ONeither of the above is true. #3 K = 0 K = 0 E D $ 4 R olo 5 % LL © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Ce F 20 T X 6 G S & Y 7 H * 8
5) At 200°C, the equilibrium constant (K,) for the reaction below is 2.40 x 10. 2NO (g) N2 (g) + O2 (g) At equilibrium, the pressures of the species are 3.38 atm of nitrogen, 4.53 atm of oxygen, and 1.52 atm of NO. How many atm of nitrogen need to be added in order to raise the pressure of the NO to 2.00 atm?
At a certain temperature, the reaction: PCl5(g) ⇆ PCl3(g) + Cl2(g) has an equilibrium constant Kc = 5.7E-6. Calculate the equilibrium concentration of PCl3 if only PCl5 is present initially at a concentration of 0.30 M. Your answer should have two significant figures.
A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 CH₂(g) ⇒ C₂H₂(g) + 3 H₂ (g) K₂=1.x10-5 He fills a reaction vessel at this temperature with 15. atm of methane gas. Use this data to answer the questions in the table below. Can you predict the equilibrium pressure of C₂H₂, using only the tools available to you within ALEKS? If you said yes, then enter the equilibrium pressure of C₂H₂ at right. Round your answer to 1 significant digit. O yes no atm X
A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: N₂(g) + 2H₂O(g) 2NO(g) + 2H₂(g) Kp =2. × 10 He fills a reaction vessel at this temperature with 14. atm of nitrogen gas and 9.4 atm of water vapor. Use this data to answer the questions in the table below. -8 Can you predict the equilibrium pressure of H₂, using only the tools available to you within ALEKS? If you said yes, then enter the equilibrium pressure of H₂ at right. Round your answer to 1 significant digit. O yes no .03 atm G.. €10 X G
A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 CH₂(g) C₂H₂(g) + 3H₂(g) K₂=6. × 10 -8 He fills a reaction vessel at this temperature with 7.0 atm of methane gas. Use this data to answer the questions in the table below. Can you predict the equilibrium pressure of C₂H₂, using only the tools available to you within ALEKS? If you said yes, then enter the equilibrium pressure of C₂H₂ at right. Round your answer to 1 significant digit. 0 yes no atm x10 X Ś
At a certain temperature, the equilibrium constant K for the following reaction is 0.0041: NO3(g) + NO(g) = ⇒2 NO₂(g) Use this information to complete the following table. There will be very little NO3 and NO. Suppose a 18. L reaction vessel is filled with 0.61 mol of NO₂. What can you say about the composition of the mixture in the vessel at equilibrium? There will be very little NO₂. Neither of the above is true. What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. K = 2 NO2(g) P NO3(9) + NO (9) What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. K = 3 NO3(g) + 3NO(g) 6 NO₂(9) ܢܢ 3 ?
At a certain temperature, the equilibrium constant K for the following reaction is 0.54: NO,(g) + NO(g) 2 NO,(g) Use this information to complete the following table. 圖 Suppose a 36. L reaction vessel is filled with 0.97 mol of NO,. What can you say about the composition of the mixture in the vessel at equilibrium? There will be very little NO3 and NO. x10 There will be very little NO2. ? olo Neither of the above is true. Ar What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. K = 1.9 2 NO2(9) NO3(9)+NO(g) What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. K = 0.29 2 NO3(9)+2NO(9) 4 NO,(9) Explanation Check © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility ........................................... ................ . .......... .........
5. For the following hypothetical equilibrium, A +2 BC, what is the value of the equilibrium constant if the concentrations at equilibrium are [A] = 4.5 x 105 M, [B] 2.2 x 10-2 M, and [C] = 9.4 x 10-³ M? 6. For the equilibrium CH4 (g) + 2 H₂S(g) CS₂(g) + 4 H₂(g), the concentrations at equilibrium are [CH4] 0.3322 M, [H₂S] = 0.6644 M, [CS₂] = 0.0678 M, and [H₂] = 0.2712 M at 1400.0 K. Calculate Ke. 17 7. For the equilibrium 2 PH3(g) P₂(g) + 3 H₂(g), the equilibrium partial pressures are = 0.022 atm, Pp, = 0.289 atm, and PH₂ = 0.867 atm at 873 K. Calculate Kp. PPH; BA