What Is the Mole Fraction of Oxygen in a Gas

question 90

Multiple Choice

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

• A) 0.20
• B) 0.37
• C) 0.32
• D) 0.52

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Definitions:

Introspection

The examination of one's own conscious thoughts and feelings, often used in the context of psychology to analyze individual mental and emotional processes.

Associative Learning

Learning that certain events occur together. The events may be two stimuli (as in classical conditioning) or a response and its consequence (as in operant conditioning).

Cognitive Learning

The process of acquiring new knowledge and understanding through thought, experiences, and the senses.

Operant Behavior

Behavior that is controlled by its consequences, including rewards and punishments, in the context of operant conditioning.