Molecular Speeds: What is the average translational kinetic energy of an ideal gas at 819 K? The Boltzmann constant is 1.38 × 10-23 J/K.
A. 1.70 × 10-20 J
B. 5.65 × 10-21 J
C. 1.13 × 10-17 J
D. 3.77 × 10-19 J
Answer: A
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