A Reaction Is Found to Have an Activation Energy of 38.0

question 33

Multiple Choice

A reaction is found to have an activation energy of 38.0 kJ mol^-1. If the rate constant for this reaction is 1.60 × 10² L mol^-1 s^-1 at 249 K, what is the rate constant at 436 K?

• A) 2.38 × 10⁵ L mol^-1 s^-1
• B) 1.26 × 10³ L mol^-1 s^-1
• C) 7.94 × 10⁴ L mol^-1 s^-1
• D) 4.20 × 10⁵ L mol^-1 s^-1
• E) 3.80 × 10⁴ L mol^-1 s^-1

Understand the concept of digital divides and their societal implications.

Recognize the influence of societal trends and behaviors on collective actions.

Distinguish between different approaches to addressing social issues.

Comprehend the evolution of cultural trends and their impact on society.

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Definitions:

Fixed Cost

Costs that remain constant in total regardless of changes in the level of activity or production volume, such as rent or salaries.

Spending Variance

The difference between the actual amount spent and the budgeted amount for a particular category or period.

Manufacturing Overhead

Indirect costs related to manufacturing that cannot be directly tied to a specific product, such as maintenance and factory utilities.

Cost Formula

An equation used to calculate the total cost of production or service delivery, combining fixed costs, variable costs per unit, and expected activity levels.