In nature, one common strategy to make thermodynamically unfavorable reactions proceed is to couple them chemically to reactions that are thermodynamically favorable. As long as the overall reaction is thermodynamically favorable, even the unfavorable reaction will proceed. ▼ Part C Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The coupled reactions are 1. luciferin + O₂ oxyluciferin + light 2. ATP AMP + PP₁ = AG-31.6 kJ/mol If the overall AG of the coupled reaction is -8.40 kJ/mol, what is the equilibrium constant, K, of the first reaction at 30 °C? Express your answer numerically. View Available Hint(s) K= [5] ΑΣΦ ?
In nature, one common strategy to make thermodynamically unfavorable reactions proceed is to couple them chemically to reactions that are thermodynamically favorable. As long as the overall reaction is thermodynamically favorable, even the unfavorable reaction will proceed. ▼ Part C Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The coupled reactions are 1. luciferin + O₂ oxyluciferin + light 2. ATP AMP + PP₁ = AG-31.6 kJ/mol If the overall AG of the coupled reaction is -8.40 kJ/mol, what is the equilibrium constant, K, of the first reaction at 30 °C? Express your answer numerically. View Available Hint(s) K= [5] ΑΣΦ ?
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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Question
![In nature, one common strategy to make
thermodynamically unfavorable reactions proceed is
to couple them chemically to reactions that are
thermodynamically favorable. As long as the overall
reaction is thermodynamically favorable, even the
unfavorable reaction will proceed.
Part C
Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring
reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The
coupled reactions are
oxyluciferin + light
AMP + PP₁
AG° = -31.6 kJ/mol
If the overall AG of the coupled reaction is -8.40 kJ/mol, what is the equilibrium constant, K, of the first reaction at 30 °C?
Express your answer numerically.
► View Available Hint(s)
K =
1.
2.
15. ΑΣΦ
V
luciferin + O₂ =
ATP
=
2
?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F82258e30-c685-4cb2-bcd1-de81be325561%2F59f5d260-7fca-4ca2-b4a0-3867918903d9%2Fxyn4yd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In nature, one common strategy to make
thermodynamically unfavorable reactions proceed is
to couple them chemically to reactions that are
thermodynamically favorable. As long as the overall
reaction is thermodynamically favorable, even the
unfavorable reaction will proceed.
Part C
Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring
reaction, firefly luciferase can be used to test for the presence of ATP. In this way, luciferase can test for the presence of life. The
coupled reactions are
oxyluciferin + light
AMP + PP₁
AG° = -31.6 kJ/mol
If the overall AG of the coupled reaction is -8.40 kJ/mol, what is the equilibrium constant, K, of the first reaction at 30 °C?
Express your answer numerically.
► View Available Hint(s)
K =
1.
2.
15. ΑΣΦ
V
luciferin + O₂ =
ATP
=
2
?
![In nature, one common strategy to make
thermodynamically unfavorable reactions proceed is
to couple them chemically to reactions that are
thermodynamically favorable. As long as the overall
reaction is thermodynamically favorable, even the
unfavorable reaction will proceed.
Part A
Consider these hypothetical chemical reactions:
AG= 10.5 kJ/mol
1. A=B,
2. B=C,
AG = -28.4 kJ/mol
3. C=D,
AG= 8.20 kJ/mol
What is the free energy, AG, for the overall reaction, A = D?
Express your answer with the appropriate units.
► View Available Hint(s)
AG =
Submit
μA
Value
Units
?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F82258e30-c685-4cb2-bcd1-de81be325561%2F59f5d260-7fca-4ca2-b4a0-3867918903d9%2F27mk7aa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In nature, one common strategy to make
thermodynamically unfavorable reactions proceed is
to couple them chemically to reactions that are
thermodynamically favorable. As long as the overall
reaction is thermodynamically favorable, even the
unfavorable reaction will proceed.
Part A
Consider these hypothetical chemical reactions:
AG= 10.5 kJ/mol
1. A=B,
2. B=C,
AG = -28.4 kJ/mol
3. C=D,
AG= 8.20 kJ/mol
What is the free energy, AG, for the overall reaction, A = D?
Express your answer with the appropriate units.
► View Available Hint(s)
AG =
Submit
μA
Value
Units
?
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