In Order for a Reaction to Occur, Reactant Molecules Must

question 34

Multiple Choice

In order for a reaction to occur, reactant molecules must attain a certain amount of energy called _______.

• A) ΔH
• B) energy
• C) entropy
• D) activation energy
• E) Any of the above.

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Definitions:

Depreciation Expense

The allocated portion of the cost of a fixed asset, written off each year over the asset's useful life for accounting and tax purposes.

Scarcity

Occurs when the amount people desire exceeds the amount available at a zero price.

Choice

The act of selecting between two or more possibilities, often present in decision-making processes.

Economics

The study of how people use their scarce resources to satisfy their unlimited wants