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

question 64

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 50. mm 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)795 torr
• E)None of these choices are correct.

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