Molecular Speeds: What Is the Average Translational Kinetic Energy Per

question 19

Multiple Choice

Molecular speeds: What is the average translational kinetic energy per molecule of an ideal gas at a temperature of 300 K? The Boltzmann constant is 1.38 × 10^-23 J/K.

• A) 1.7 × 10^-21 J
• B) 8.3 × 10^-21 J
• C) 6.2 × 10^-21 J
• D) 2.1 × 10^-21 J
• E) 4.1 × 10^-21 J

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