How Does a Chemical Catalyst Increase the Rate of a Reaction

question 53

Multiple Choice

How does a chemical catalyst increase the rate of a reaction?

• A) by acting as one of the reactant molecules
• B) by decreasing the energy of activation
• C) by increasing the energy content of the product molecules
• D) by increasing the temperature of a solution
• E) by phosphorylating a reactant

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Definitions:

Labor Savings

A reduction in the amount of labor required or a decrease in labor costs, often as a result of improved efficiency or automation.

Useful Life

The estimated period over which an asset is expected to be used before it is fully depreciated.

Profitability Index

A ratio that compares the present value of future cash flows of a project to its initial investment, used to assess the desirability of projects.

Investment Proposals

Plans or suggestions put forward for consideration, primarily for the purpose of making investments.