A 50-Liter Gas Tank Holds 1

question 30

Multiple Choice

A 5.0-liter gas tank holds 1.4 moles of helium (He) and 0.70 moles of oxygen (O₂) , at a temperature of 260 K. The atomic masses of helium and oxygen are 4.0 g/mol and 16.0 g/mol, respectively. Avogadro's number is 6.022 × 10²³ molecules/mol and the Boltzmann constant is 1.38 × 10^-23 J/K. The total random translational kinetic energy of the gas in the tank is closest to

• A) 6.8 kJ.
• B) 6.1 kJ.
• C) 7.6 kJ.
• D) 8.3 kJ.
• E) 9.1 kJ.

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Definitions:

Caution Signals

Indicators or signs that alert individuals to potential hazards or the need for careful attention.

Disagreement Signals

Non-verbal or verbal cues indicating a difference in opinion or objection between individuals.

Sales Presentation

A formal talk or demonstration given by a salesperson to showcase a product or service's features and benefits, aiming to persuade potential buyers.

Nonverbal Signals

Nonverbal signals are forms of communication without words, such as body language, gestures, facial expressions, and tone of voice, which convey feelings or intentions.