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= N2(8) + U2(8) 2 NO(g) is K. = 2.4 × 10³. If the initial concentration of NO 1s 0.175 M, what are the equilibrium concentrations of NO, N2, and O2? 15.52 For the equilibrium 2 BrC1(g) Br2(8) + Cl2(8) to cesc vlo bom at 400 K, K. = 7.0. If 0.25 mol of Br, and 0.55 mol of Cl2 o are introduced into a 3.0-L container at 400 K, what will be the equilibrium concentrations of Br2, Cl2, and BrCl? 15.53 At 373 K, Kp 0.416 for the equilibrium 2 NOB1(g) = 2 NO(g) + Br2(g) If the pressures of NOBr(g) and NO(g) are equal, what is the equilibrium pressure of Br2(8)? 15.54 At 218 °C, K. = 1.2 × 10-4 for the equilibrium NH4SH(s) = NH3(8) + H2S(g) Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH,SH is placed in a closed vessel at 218 °C and decomposes until equilibrium is reached. 15.55 Consider the reaction = Ca2+(aq) + SO (aq) CaSO4(s) = Ca2+(aq) + SO,²-(aq) At 25 °C, the equilibrium constant is K. = 2.4 × 10-5 for this reaction. (a) If excess CASO4(s) is mixed with water at 25 °C to produce a saturated solution of CASO4, what are the equilibrium concentrations of Ca2+ and SO,?? (b) If the resulting solution has a volume of 1.4 L, what is the minimum mass of CaSO4(s) needed to achieve equilibrium? %D 4 15.56 At 80 °C, K, = 1.87 x 103 for the reaction %3D PH3BCI3(s) = PH3(8) + BCI3(8) (a) Calculate the equilibrium concentrations of PH3 and BC12 if a solid sample of PH3BC13 is placed in a closed ves-

= N2(8) + U2(8) 2 NO(g) is K. = 2.4 × 10³. If the initial concentration of NO 1s 0.175 M, what are the equilibrium concentrations of NO, N2, and O2? 15.52 For the equilibrium 2 BrC1(g) Br2(8) + Cl2(8) to cesc vlo bom at 400 K, K. = 7.0. If 0.25 mol of Br, and 0.55 mol of Cl2 o are introduced into a 3.0-L container at 400 K, what will be the equilibrium concentrations of Br2, Cl2, and BrCl? 15.53 At 373 K, Kp 0.416 for the equilibrium 2 NOB1(g) = 2 NO(g) + Br2(g) If the pressures of NOBr(g) and NO(g) are equal, what is the equilibrium pressure of Br2(8)? 15.54 At 218 °C, K. = 1.2 × 10-4 for the equilibrium NH4SH(s) = NH3(8) + H2S(g) Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH,SH is placed in a closed vessel at 218 °C and decomposes until equilibrium is reached. 15.55 Consider the reaction = Ca2+(aq) + SO (aq) CaSO4(s) = Ca2+(aq) + SO,²-(aq) At 25 °C, the equilibrium constant is K. = 2.4 × 10-5 for this reaction. (a) If excess CASO4(s) is mixed with water at 25 °C to produce a saturated solution of CASO4, what are the equilibrium concentrations of Ca2+ and SO,?? (b) If the resulting solution has a volume of 1.4 L, what is the minimum mass of CaSO4(s) needed to achieve equilibrium? %D 4 15.56 At 80 °C, K, = 1.87 x 103 for the reaction %3D PH3BCI3(s) = PH3(8) + BCI3(8) (a) Calculate the equilibrium concentrations of PH3 and BC12 if a solid sample of PH3BC13 is placed in a closed ves-

Chemistry
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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Question 15.54

= N2(8) + U2(8) 2 NO(g) is K. = 2.4 × 10³. If the initial concentration of NO 1s 0.175 M, what are the equilibrium concentrations of NO, N2, and O2? 15.52 For the equilibrium 2 BrC1(g) Br2(8) + Cl2(8) to cesc vlo bom at 400 K, K. = 7.0. If 0.25 mol of Br, and 0.55 mol of Cl2 o are introduced into a 3.0-L container at 400 K, what will be the equilibrium concentrations of Br2, Cl2, and BrCl? 15.53 At 373 K, Kp 0.416 for the equilibrium 2 NOB1(g) = 2 NO(g) + Br2(g) If the pressures of NOBr(g) and NO(g) are equal, what is the equilibrium pressure of Br2(8)? 15.54 At 218 °C, K. = 1.2 × 10-4 for the equilibrium NH4SH(s) = NH3(8) + H2S(g) Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH,SH is placed in a closed vessel at 218 °C and decomposes until equilibrium is reached. 15.55 Consider the reaction = Ca2+(aq) + SO (aq) CaSO4(s) = Ca2+(aq) + SO,²-(aq) At 25 °C, the equilibrium constant is K. = 2.4 × 10-5 for this reaction. (a) If excess CASO4(s) is mixed with water at 25 °C to produce a saturated solution of CASO4, what are the equilibrium concentrations of Ca2+ and SO,?? (b) If the resulting solution has a volume of 1.4 L, what is the minimum mass of CaSO4(s) needed to achieve equilibrium? %D 4 15.56 At 80 °C, K, = 1.87 x 103 for the reaction %3D PH3BCI3(s) = PH3(8) + BCI3(8) (a) Calculate the equilibrium concentrations of PH3 and BC12 if a solid sample of PH3BC13 is placed in a closed ves-
Transcribed Image Text:= N2(8) + U2(8) 2 NO(g) is K. = 2.4 × 10³. If the initial concentration of NO 1s 0.175 M, what are the equilibrium concentrations of NO, N2, and O2? 15.52 For the equilibrium 2 BrC1(g) Br2(8) + Cl2(8) to cesc vlo bom at 400 K, K. = 7.0. If 0.25 mol of Br, and 0.55 mol of Cl2 o are introduced into a 3.0-L container at 400 K, what will be the equilibrium concentrations of Br2, Cl2, and BrCl? 15.53 At 373 K, Kp 0.416 for the equilibrium 2 NOB1(g) = 2 NO(g) + Br2(g) If the pressures of NOBr(g) and NO(g) are equal, what is the equilibrium pressure of Br2(8)? 15.54 At 218 °C, K. = 1.2 × 10-4 for the equilibrium NH4SH(s) = NH3(8) + H2S(g) Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH,SH is placed in a closed vessel at 218 °C and decomposes until equilibrium is reached. 15.55 Consider the reaction = Ca2+(aq) + SO (aq) CaSO4(s) = Ca2+(aq) + SO,²-(aq) At 25 °C, the equilibrium constant is K. = 2.4 × 10-5 for this reaction. (a) If excess CASO4(s) is mixed with water at 25 °C to produce a saturated solution of CASO4, what are the equilibrium concentrations of Ca2+ and SO,?? (b) If the resulting solution has a volume of 1.4 L, what is the minimum mass of CaSO4(s) needed to achieve equilibrium? %D 4 15.56 At 80 °C, K, = 1.87 x 103 for the reaction %3D PH3BCI3(s) = PH3(8) + BCI3(8) (a) Calculate the equilibrium concentrations of PH3 and BC12 if a solid sample of PH3BC13 is placed in a closed ves-
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