Multiple Choice
A cubic box with sides of 20 cm contains 2 × 1023 molecules of helium with a root-mean-square (rms) speed of 200 m/s. The mass of a helium molecule is 3.4 × 10-27 kg. What is the average pressure exerted by the molecules on the walls of the container?
A) 3.39 kPa
B) 1.13 kPa
C) 570 Pa
D) 2.26 kPa
E) 9.1 Pa
Correct Answer:
Verified
Correct Answer:
Verified
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