A closed- end manometer was attached to a vessel containing argon. The difference in the mercury levels in the two arms of the manometer was 12.2 cm. Atmospheric pressure was 783 mmHg. The pressure of the argon in the container was mmHg.
A) 661
B) 122
C) 882
D) 771
E) 795

Question

Quizplus · Accepted Answer

In a closed-end manometer, the pressure of the gas is equal to the difference in mercury levels. Therefore, the pressure of the argon is 12.2 cm, which is equivalent to 122 mmHg.

A Closed- End Manometer Was Attached to a Vessel Containing