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Entropy and Free Energy in Metabolism

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Questions and Answers

Which type of chemical reaction proceeds with a net release of free energy?

Endergonic

Spontaneous

Exergonic (correct)

Endothermic

What does a negative ΔG value indicate for a chemical reaction?

Energy conserved

Energy released (correct)

No change in energy

Energy required

What does the magnitude of ΔG for an exergonic reaction represent?

No effect on the reaction

Amount of energy required

Amount of energy released

Maximum work the reaction can perform (correct)

Under what conditions do exergonic reactions occur spontaneously?

Standard conditions Signup and view all the answers

What is the main implication of a reaction being spontaneous?

It is energetically favorable Signup and view all the answers

Which type of reaction requires an input of energy and is nonspontaneous?

Endothermic Signup and view all the answers

What happens to the free energy of a chemical mixture in an exergonic reaction?

Decreases Signup and view all the answers

What is the amount of energy released in an exergonic reaction represented by?

$ riangle G < 0$ Signup and view all the answers

"Spontaneous" reactions are characterized by being:

$ riangle G < 0$ Signup and view all the answers

"Endergonic" reactions require an input of energy because their $ riangle G$ value is:

$ riangle G > 0$ Signup and view all the answers