If a Reaction Is First Order with a Rate Constant

question 61

Multiple Choice

If a reaction is first order with a rate constant of 5.48 × 10^-2/s,how long is required for 3/4 of the initial concentration of reactant to be used up?

• A)25.3 s
• B)36.5 s
• C)6.3 s
• D)18.2 s
• E)50.6 s

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Definitions:

Null Hypothesis

A hypothesis that there is no significant difference or effect, serving as the default assumption to be tested in statistical hypothesis testing.

One-Tailed Test

A statistical test in which the region of rejection is on only one side of the sampling distribution, used when making a directional hypothesis about a population parameter.

Hypothesize

The process of making an educated guess or proposition that attempts to explain a phenomenon or answer a question, which can then be tested through experimentation or observation.