AP Chemistry Exam Unit 7 Practice Test 2026 (Equilibrium)

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Using logical estimates, in which of the following expressions can the variable x be assumed to be either much smaller than or much larger than the other term(s) to simplify the mathematics?

(B) [C] – x (A) The reaction is very fast.

Correct Answer:

[C] – x

Explanation:

Correct answer: [C] – x

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