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The equilibrium constant of a system, K, can be related to the standard free energy change, AG, using the following equation: AG-RT In K where T is a specified temperature in kelvins (usually 298 K) and R is equal to 8.314 J/(K.mol). Under conditions other than standard state, the following equation applies: AG AG + RT ln Q In this equation, Q is the reaction quotient and is defined the same manner as K except that the concentrations or pressures used are not necessarily the equilibrium values. Part A Acetylene, C₂ H₂, can be converted to ethane, C₂H6, by a process known as hydrogenation. The reaction is C₂H2(g) + 2H2(g) = C₂H6(g) Given the following data at standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K), what is the value of K, for this reaction? Kp = Submit Substance Express your answer using two significant figures. ► View Available Hint(s) 15. ΑΣΦ C₂ H₂(g) H₂(g) C₂H6(g) (kJ/mol) 209.2 0 -32.89 ?

The equilibrium constant of a system, K, can be related to the standard free energy change, AG, using the following equation: AG-RT In K where T is a specified temperature in kelvins (usually 298 K) and R is equal to 8.314 J/(K.mol). Under conditions other than standard state, the following equation applies: AG AG + RT ln Q In this equation, Q is the reaction quotient and is defined the same manner as K except that the concentrations or pressures used are not necessarily the equilibrium values. Part A Acetylene, C₂ H₂, can be converted to ethane, C₂H6, by a process known as hydrogenation. The reaction is C₂H2(g) + 2H2(g) = C₂H6(g) Given the following data at standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K), what is the value of K, for this reaction? Kp = Submit Substance Express your answer using two significant figures. ► View Available Hint(s) 15. ΑΣΦ C₂ H₂(g) H₂(g) C₂H6(g) (kJ/mol) 209.2 0 -32.89 ?

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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3L5

The equilibrium constant of a system, K, can be related to the standard free energy change, AG, using the following equation: AG° = -RT In K where T is a specified temperature in kelvins (usually 298 K) and R is equal to 8.314 J/(K.mol). Under conditions other than standard state, the following equation applies: AG=AG + RT In Q In this equation, is the reaction quotient and is defined the same manner as K except that the concentrations or pressures used are not necessarily the equilibrium values. Part A Acetylene, C₂ H2, can be converted to ethane, C₂H6, by a process known as hydrogenation. The reaction is C₂ H₂(g) + 2H2(g) = C₂H6(g) Given the following data at standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K), what is the value of Kp for this reaction? Kp Express your answer using two significant figures. ► View Available Hint(s) = Submit Substance VE ΑΣΦ C₂ H₂(g) H₂(g) C₂H6 (g) = Go f (kJ/mol) 209.2 0 -32.89
Transcribed Image Text:The equilibrium constant of a system, K, can be related to the standard free energy change, AG, using the following equation: AG° = -RT In K where T is a specified temperature in kelvins (usually 298 K) and R is equal to 8.314 J/(K.mol). Under conditions other than standard state, the following equation applies: AG=AG + RT In Q In this equation, is the reaction quotient and is defined the same manner as K except that the concentrations or pressures used are not necessarily the equilibrium values. Part A Acetylene, C₂ H2, can be converted to ethane, C₂H6, by a process known as hydrogenation. The reaction is C₂ H₂(g) + 2H2(g) = C₂H6(g) Given the following data at standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K), what is the value of Kp for this reaction? Kp Express your answer using two significant figures. ► View Available Hint(s) = Submit Substance VE ΑΣΦ C₂ H₂(g) H₂(g) C₂H6 (g) = Go f (kJ/mol) 209.2 0 -32.89
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3L5.2

At 25 °C the reaction from Part A has a composition as shown in the table below. Substance Pressure (atm) 3.85 What is the free energy change, AG, in kilojoules for the reaction under these conditions? Express your answer numerically in kilojoules. ► View Available Hint(s) AG= Submit C₂ H₂(g) H₂(g) 4.25 C₂H6(g) 1.25x10-2 {—| ΑΣΦ ? kJ
Transcribed Image Text:At 25 °C the reaction from Part A has a composition as shown in the table below. Substance Pressure (atm) 3.85 What is the free energy change, AG, in kilojoules for the reaction under these conditions? Express your answer numerically in kilojoules. ► View Available Hint(s) AG= Submit C₂ H₂(g) H₂(g) 4.25 C₂H6(g) 1.25x10-2 {—| ΑΣΦ ? kJ
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