The Rate Constant,k,for a First-Order Reaction Is Equal to 4

question 85

Multiple Choice

The rate constant,k,for a first-order reaction is equal to 4.2 × 10^-4 s^-1.What is the half-life for the reaction?

• A)2.9 × 10^-4 s
• B)1.2 × 10³ s
• C)1.7 × 10³ s
• D)2.4 × 10³ s

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Definitions:

Powers

The product of multiplying a number by itself a specified number of times.

Powers

In a mathematical context, it refers to the operation of raising a number to a certain exponent. In a general context, it can refer to the capabilities or authorities held by an individual or entity.

Six-Figure Accuracy

Describes a level of precision in calculations or measurements that extends to at least six digits.

Exponent

The number of times that the base is used in repeated multiplication.