Consider these hypothetical chemical reactions: 1. A B, AG = 12.3 kJ/mol 2. BC, AG = -27.1 kJ/mol 3. C D, AG = 8.50 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 = Value Units ? Units input for part A

Chemistry
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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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Consider these hypothetical chemical reactions:
1. A = B,
2. B = C,
AG = 12.3 kJ/mol
AG = -27.1 kJ/mol
3. C =D,
AG = 8.50 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
LO
μA
Value
Units
?
Units input for part A
Transcribed Image Text:Consider these hypothetical chemical reactions: 1. A = B, 2. B = C, AG = 12.3 kJ/mol AG = -27.1 kJ/mol 3. C =D, AG = 8.50 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 LO μA Value Units ? Units input for part A
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
K =
1.
2.
AG = -31.6 kJ/mol
If the overall AG of the coupled reaction is -4.80 kJ/mol, what is the equilibrium constant, K, of the first reaction at 18 °C ?
Express your answer numerically.
► View Available Hint(s)
ΠΡΑΣΦΑ
luciferin + 0₂ = oxyluciferin + light
ATP
AMP + PP₁
?
Transcribed Image Text: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 K = 1. 2. AG = -31.6 kJ/mol If the overall AG of the coupled reaction is -4.80 kJ/mol, what is the equilibrium constant, K, of the first reaction at 18 °C ? Express your answer numerically. ► View Available Hint(s) ΠΡΑΣΦΑ luciferin + 0₂ = oxyluciferin + light ATP AMP + PP₁ ?
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