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AP Chemistry Flashcards: Coupled Reactions

Study Coupled Reactions in AP Chemistry with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Identify a process where ATP synthesis is coupled to another reaction.

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ANSWER

Oxidative phosphorylation. ATP synthesis is coupled to electron transport chain energy.

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AP Chemistry: Thermodynamics and Electrochemistry

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What this deck covers

This deck focuses on Coupled Reactions, giving you a quick way to review the definitions, rules, and examples that matter most for AP Chemistry.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
A lab group studies two linked reactions that share an intermediate in a closed system. Reaction 1 (spontaneous): X→YX \rightarrow Y, ΔG=−25 kJ/mol\Delta G = -25\ \text{kJ/mol}. Reaction 2 (nonspontaneous): Y→ZY \rightarrow Z, ΔG=+30 kJ/mol\Delta G = +30\ \text{kJ/mol}. The reactions are coupled through intermediate YY so they proceed together as X→ZX \rightarrow Z. Which statement best describes the thermodynamic favorability of the coupled process?
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