Reaction of N2 and Hz in the presence of a catalyst produces ammonia: N2 + 3H2 22NH3 , AH° = -92 kJ mot' . In equilibrium at T= 500°C and p = 200 atm, molar fraction of product is 15% Suggest two ways of increasing molar fraction of product in equilibrium. 1. 12. For reaction of A and B: A + B C, A H° - -20 kJ mol and K = 50 at 25C. Calculate K at 100 C. 13. Using phase diagram for the mixtures of cyclohexane and tolu ene shown, estimate: A) Boiling point of pure cyclohexane B) Boiling point (T) of solution with molar fraction of toluene 80%. c) Composition of vapor phase (molar fractions of both liquids) above the solution with molar fraction of toluene 80% at Tip. D) Compositions of the vapor phase, liquid phase and molar ratio of liquid to vapor phase in the system in which liquid with molar fraction of toluene of 60 % was heat ed to 100 °C at p=1 atm. 14. On the solid-liquid phase diagram for substances A and B shown on left, label all regions of the where solid B coexist with liquid mixture of B and A Mole fraction of B, X Temperature, T

Reaction of N2 and Hz in the presence of a catalyst produces ammonia: N2 + 3H2 22NH3 , AH° = -92 kJ mot' . In equilibrium at T= 500°C and p = 200 atm, molar fraction of product is 15% Suggest two ways of increasing molar fraction of product in equilibrium. 1. 12. For reaction of A and B: A + B C, A H° - -20 kJ mol and K = 50 at 25C. Calculate K at 100 C. 13. Using phase diagram for the mixtures of cyclohexane and tolu ene shown, estimate: A) Boiling point of pure cyclohexane B) Boiling point (T) of solution with molar fraction of toluene 80%. c) Composition of vapor phase (molar fractions of both liquids) above the solution with molar fraction of toluene 80% at Tip. D) Compositions of the vapor phase, liquid phase and molar ratio of liquid to vapor phase in the system in which liquid with molar fraction of toluene of 60 % was heat ed to 100 °C at p=1 atm. 14. On the solid-liquid phase diagram for substances A and B shown on left, label all regions of the where solid B coexist with liquid mixture of B and A Mole fraction of B, X Temperature, T

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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