What Is the Mole Fraction of Oxygen in a Gas

question 28

Multiple Choice

What is the mole fraction of oxygen in a gas mixture that is 37% oxygen and 63% nitrogen by volume?

• A)0.34
• B)0.37
• C)0.25
• D)0.52

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Definitions:

Psychological Environment

The subjective perception of one's surroundings that can significantly influence mental and emotional states.

Repression

A psychological process where individuals unconsciously block out painful or unpleasant memories, thoughts, or desires.

Cognition

The process of learning and understanding obtained through mental activity, experiences, and using the senses.

Heredity

The biological process whereby genetic factors are transmitted from one generation to the next.