Answered: 1 a. At 1280 oC, the equilibrium…

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter15: Principles Of Chemical Reactivity: Equilibria

Section: Chapter Questions

Problem 38GQ: At 2300 K the equilibrium constant for the formation of NO(g) is 1.7 103. N2(g) + O2(g) 2 NO(g)...

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1 a. At 1280 ^oC, the equilibrium constant (Keq) for the reaction:

ClBr(g) ⇔ Br(g) + Cl(g)

is 1.3x10^-2 M. If the initial concentrations are [ClBr] = 0.042 M, [Br] = 0.026 M, and [Cl] = 0.0 M, calculate the concentrations of these species at equilibrium. Show the algebraic expression and equilibrium concnetrations.

b. How many grams of phenol (C6H5OH) would you need to shift the freezing point of 100 mL water by 4.2°C?

c. Explain 4 possible changes by altering equilibrium conditions using Le Châtelier’s Principle to increase the yield of NH3 (g) in the following reaction: N2(g) + 3H2(g) ⇔ 2NH3(g) ΔH=-92Kj/mol

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