Multiple Choice
The root-mean-square velocity of a gas in a closed container of fixed volume is increased from 345 m/s to 690 m/s. Which one of the following statements might explain correctly how this change was accomplished?
A) By pumping in more gas at constant temperature, the pressure was quadrupled.
B) By heating the gas, the temperature was doubled.
C) By heating the gas, the pressure was quadrupled.
D) By pumping out 75% of the gas at constant temperature, the pressure was decreased to 25% of its original value.
E) None of these statements correctly explains the change.
Correct Answer:

Verified
Correct Answer:
Verified
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