What Is the Mass of a Sample of O₂ Gas

question 72

Multiple Choice

What is the mass of a sample of O₂ gas, which has a pressure of 740. mmHg, at a temperature of 25 °C, in a volume of 250. mL?

• A)320. g
• B)292 g
• C)0.318 g
• D)201 g
• E)3.82 g

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Definitions:

Emotional Intelligence

The capacity to be aware of, control, and express one's emotions, and to handle interpersonal relationships judiciously and empathetically.

Common Sense

Sound practical judgment concerning everyday matters, or a basic ability to perceive, understand, and judge in a manner shared by nearly all people.

Imagination

The ability of the mind to be creative or resourceful, envisioning things not currently present or that do not exist.

Emotional Intelligence

The ability to understand, use, and manage one's own emotions in positive ways to relieve stress, communicate effectively, empathize with others, and overcome challenges.