Cyclopropane Is Converted to Propene in a First-Order Process

question 11

Multiple Choice

Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 × 10⁻² hr⁻¹. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours?

• A)0.0457 M
• B)0.105 M
• C)0.127 M
• D)0.492 M
• E)None of these choices are correct.

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Definitions:

SSE

SSE, or Sum of Squares Error, is a measure used in statistics to describe the amount of variation or deviation of sample values from the fitted values in a model.

F Statistic

The F statistic is used in statistical testing to compare the variances among group means to decide if they significantly differ from each other.

Two-Way ANOVA

A statistical test used to determine the effect of two nominal predictor variables on a continuous outcome variable.

Interaction

A statistical term describing a situation in which the effect of one explanatory variable on the response variable depends on the level of another explanatory variable.