For the following questions, use the reaction for the formation of C2H4 (g) from its elements C (s) and H2 (g). For this reaction, the following thermodynamic data were collected at 298 K: ΔfHo (C2H4) = 50 kJ/mol, So (C2H4) = 200 J/mol*K, So (C) = 5.0 J/mol*K, and So (H2) = 130 J/mol*K a) write a balanced chemical reaction (whole number coefficients) for this process, and write out the expression for reaction quotient Q using partial pressures. b) Without doing calculations, explain how the progression of the reaction will change (more reactants/more products) with respect to 1) temperature decreasing, and 2) pressure decreasing. c) Calculate the equilibrium constant at 298 K. d) Assuming that ΔfHo is independent of temperature, calculate K at 150 oC.
For the following questions, use the reaction for the formation of C2H4 (g) from its elements C (s) and H2 (g). For this reaction, the following thermodynamic data were collected at 298 K: ΔfHo (C2H4) = 50 kJ/mol, So (C2H4) = 200 J/mol*K, So (C) = 5.0 J/mol*K, and So (H2) = 130 J/mol*K a) write a balanced chemical reaction (whole number coefficients) for this process, and write out the expression for reaction quotient Q using partial pressures. b) Without doing calculations, explain how the progression of the reaction will change (more reactants/more products) with respect to 1) temperature decreasing, and 2) pressure decreasing. c) Calculate the equilibrium constant at 298 K. d) Assuming that ΔfHo is independent of temperature, calculate K at 150 oC.
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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For the following questions, use the reaction for the formation of C2H4 (g) from its elements C (s) and H2 (g). For this reaction, the following
a) write a balanced
b) Without doing calculations, explain how the progression of the reaction will change (more reactants/more products) with respect to 1) temperature decreasing, and 2) pressure decreasing.
c) Calculate the equilibrium constant at 298 K.
d) Assuming that ΔfHo is independent of temperature, calculate K at 150 oC.
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