A Flask Containing Neon Gas Is Connected to an Open-Ended

question 65

Multiple Choice

A flask containing neon gas is connected to an open-ended mercury manometer. The open end is exposed to the atmosphere, where the prevailing pressure is 745 torr. The mercury level in the open arm is 5.0 cm below that in the arm connected to the flask of neon. What is the neon pressure, in torr?

• A) -50. torr
• B) 50. torr
• C) 695 torr
• D) 745 torr
• E) 795 torr

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