Oxygen Gas Makes Up 21 % of the Atmosphere by Volume

question 77

Multiple Choice

Oxygen gas makes up 21 % of the atmosphere by volume. What is the solubility of O₂(g) in water at 25 ^$\circ$ C if the atmospheric pressure is 741 mmHg The Henry's law constant for oxygen gas at 25 ^$\circ$ C is 1.3 * 10^-3 mol/L·atm.

• A) 2.7 * 10^-4 M
• B) 1.3 * 10^-3 M
• C) 6.2 * 10^-3 M
• D) 9.6 * 10^-3 M
• E) 0.96 M

---

Definitions:

Neo-analytic

Pertains to a school of thought in psychology that revises and expands upon Freudian and pre-Freudian psychoanalytic theories, emphasizing social and cultural factors more.

Repression

A defense mechanism where distressing thoughts, memories, or desires are excluded from the conscious mind.

Defense Mechanism

Psychological strategies employed unconsciously to protect oneself from anxiety arising from unacceptable thoughts or feelings.

Displacement

A defense mechanism in which an individual redirects emotion or reaction from the original source to another target.