The Addition of 2

question 1

Multiple Choice

The addition of 2.0 g He(g) to a vessel of 10.0 L fixed volume already containing O₂(g) at 25 °C and 740 mmHg will:

• A)have no effect on the final gas pressure
• B)cause the final pressure to exceed 2 atm
• C)produce a 20% increase in gas pressure
• D)bring the final pressure to just slightly more than 1 atm
• E)cause the final pressure to exceed 4 atm

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Definitions:

Anal Stage

A phase in Freudian psychosexual development, typically between ages 18 months and 3 years, where the child's focus is on controlling bladder and bowel movements.

Psychosexual Development

A theory proposed by Sigmund Freud that describes how personality develops during childhood through various stages centered around the libido's focus on different body parts.

Toilet Trained

Refers to the process by which young children learn to use the toilet for urination and defecation independently.

Psychosexual Stages

Freud's theory that children pass through a series of stages centered on erogenous zones, with successful navigation key to personality development.