Below Are Several Statements

question 106

Multiple Choice

Below are several statements. Which of these statements apply to chemical reactions?

I. A chemical reaction always involves two reactants.
II. Physical changes are a type of chemical reaction.
III. Energy changes are involved in chemical reactions.
IV. Atoms are gained and lost during a chemical reaction.
V. Bonds are broken and new bonds formed during a chemical reaction.

• A) All of these statements apply to chemical reactions.
• B) Only I applies to chemical reactions.
• C) I, II, and III all apply to chemical reactions.
• D) IV and V both apply to chemical reactions.
• E) III and V both apply to chemical reactions.

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Definitions:

Excludable

Refers to a property of a good or service where it's possible to prevent people who have not paid for it from having access to it.

Efficient Quantity

The amount of a good or service that maximizes the net benefit to society.

Nonrival

A characteristic of a good where one person's consumption does not reduce availability for others.

Inefficiently Low

A situation in which the production or use of goods and services is below the level that could maximize welfare or efficiency.