Air Contains 78% N₂, 21% O₂, and 1% Ar, by Volume

question 47

Multiple Choice

Air contains 78% N₂, 21% O₂, and 1% Ar, by volume. What is the density of air at 1,000.torr and -10°C?

• A)1.0 g/L
• B)6.1 g/L
• C)1.3 g/L
• D)1.8 g/L
• E)0.56 g/L

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Definitions:

Reading Ability

The capacity to understand, interpret, and derive meaning from written words.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together, without implying causation.

Causation

The relationship between cause and effect, where an action or event directly leads to another action or event.

Placebo Effect

A phenomenon where a person experiences a beneficial effect from a treatment due to their expectations, rather than from the treatment itself.