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    Exam 14: Chemical Kinetics
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    Substance a Decomposes by a First-Order Reaction
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Substance a Decomposes by a First-Order Reaction

Question 82

Question 82

Multiple Choice

Substance A decomposes by a first-order reaction. Starting initially with [A] = 2.00 M, after 150 min [A] = 0.50 M. For this reaction what is t1/2?


A) 150 min
B) 37.5 min
C) 75.0 min
D) 15.0 min
E) 300 min

Correct Answer:

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