The Rate Constant at 373 K for a Certain Reaction

question 10

Multiple Choice

The rate constant at 373 K for a certain reaction is 8.29 × 10−⁴ s−¹ and the activation energy is 12.0 kJ/mole.What is the value of the constant,A,in the Arrhenius equation?

• A) 0.00832 s−¹
• B) 0.0398 s−¹
• C) 0.120 s−¹
• D) 0.998 s−¹
• E) 25.1 s−¹

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Definitions:

Data Period

A specified duration of time for which data is gathered and analyzed.

Direct Materials Cost Variance

The difference between the budgeted cost of materials and the actual cost incurred for materials used in production.

Standard Materials Cost

The budgeted or estimated cost of raw materials required for production, used for cost control and variance analysis.

Material Used

The raw materials that have been consumed in the production process to create goods.