A Reaction with an Activation Energy of 71

question 105

Multiple Choice

A reaction with an activation energy of 71.6 kJ mol^-1 has a rate constant of 8.14 L mol^-1 s^-1 at 350 K. At what temperature will the rate constant be one-half?

• A) 175 K
• B) 340 K
• C) 385 K
• D) 331 K
• E) 279 K

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Definitions:

Linear Regression

A statistical method that models the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

F Test

A statistical test used to determine whether there are significant differences between the variances of two or more groups.

T Test

A statistical test used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

Least Squares Line

A regression line calculated using the least squares method, aiming to minimize the squares of the differences between observed and predicted values.