At 25°C the Rate Constant for the First-Order Decomposition of a Pesticide

question 67

Multiple Choice

At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40  10^-3 min^-1. If the starting concentration of pesticide is 0.0314 M, what concentration will remain after 62.0 min at 25°C?

• A)1.14  10^-1 M
• B)47.4 M
• C)-8.72.0 M
• D)2.11  10^-2 M
• E)2.68  10^-2 M

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Definitions:

Hypotheses Testing

A method in statistics used to determine whether there is enough evidence in a sample of data to infer that a certain condition holds for the entire population.

Power of the Test

The likelihood that a test will correctly reject a false null hypothesis, essentially measuring the capability to detect an effect if there is one.

Interpret

To explain the meaning of information, data, or actions.

Sample Size

The number of observations or data points used in a statistical analysis.