Molecular Speeds: What Is the Average Translational Kinetic Energy Per

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