Phosphoryl chloride, POCl3(g), is used in the manufacturing of flame retardants. It is manufactured in an equilibrium process in which phosphorus trichloride reacts with nitrogen dioxide to form POC 3(g)and NO(g) according to the following equation: PC13 (g) + NO2 (g) = POC 3 (g) + NO (g) + 228.93kJ At 298K, the equilibrium concentration of POCl3 was 0.68 mol/L, the concentration of NO was 0.72mol/L, the concentration of PC 3 was 0.62 mol/L, and the concentration of NO2 was 0.56 mol/L. a. 6.25 moles of POC 3 (g) is added to the 5.0 L reaction chamber. What is the new concentration of POCI 3 (g) when equilibrium is re-established? E' | C E PC13 (g) + NO2 (g) = POCl 3 (g) + NO(g) b. What would happen to the Keq value if the temperature of the reaction chamber was decreased from 500K to 298K? Explain. (2 A) *Note this question is based on the above chemical equation*

Phosphoryl chloride, POCl3(g), is used in the manufacturing of flame retardants. It is manufactured in an equilibrium process in which phosphorus trichloride reacts with nitrogen dioxide to form POC 3(g)and NO(g) according to the following equation: PC13 (g) + NO2 (g) = POC 3 (g) + NO (g) + 228.93kJ At 298K, the equilibrium concentration of POCl3 was 0.68 mol/L, the concentration of NO was 0.72mol/L, the concentration of PC 3 was 0.62 mol/L, and the concentration of NO2 was 0.56 mol/L. a. 6.25 moles of POC 3 (g) is added to the 5.0 L reaction chamber. What is the new concentration of POCI 3 (g) when equilibrium is re-established? E' | C E PC13 (g) + NO2 (g) = POCl 3 (g) + NO(g) b. What would happen to the Keq value if the temperature of the reaction chamber was decreased from 500K to 298K? Explain. (2 A) Note this question is based on the above chemical equation

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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