The Concentration of Ozone in a Sample of Air That

question 47

Multiple Choice

The concentration of ozone in a sample of air that has a partial pressure of O₃ of 0.33 torr and a total pressure of air of 735 torr is _ ppm.

• A) 0.45
• B) 2.2 × 10^{- 3}
• C) 2.2
• D) 4.5 × 10²
• E) 0.045

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Definitions:

Frederick Clements

An early 20th-century ecologist known for his theory of plant succession and the concept of the climax community.

Community Model

A theoretical framework describing the structure and function of a community of interacting organisms within an ecosystem.

Keystone Species

A keystone species is an organism that plays a critical role in maintaining the structure of an ecological community, influencing the types and numbers of other species.

Conserving

The act of preserving or protecting something from loss or damage.