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    Exam 16: Kinetics: Rates and Mechanisms of Chemical Reactions
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    A Reactant R Is Being Consumed in a First-Order Reaction
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A Reactant R Is Being Consumed in a First-Order Reaction

Question 64

Question 64

Multiple Choice

A reactant R is being consumed in a first-order reaction. What fraction of the initial R is consumed in 4.0 half-lives?


A) 0.94
B) 0.87
C) 0.75
D) 0.13
E) 0.063

Correct Answer:

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