What is a fundamental characteristic of coupled reactions in chemistry?
A.
They always involve a change in the physical state of matter.
B.
They are reactions where the products of one reaction become the reactants of another.
C.
They require the presence of a catalyst in both reactions.
D.
They can only occur under extreme temperature conditions.
Exam No：AP Chemistry Problem Set 1 Year：2024 Question No：APChemistry2024AP0534
Answer:
B
Knowledge points:
9.7 Coupled Reactions
Solution:
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