A Flask Containing Argon Gas Is Connected to a Closed-Ended

question 54

Multiple Choice

A flask containing argon gas is connected to a closed-ended mercury manometer. The closed end is under vacuum. If the mercury level in the closed arm is 230. mm above that in the arm connected to the flask, what is the argon pressure, in torr?

• A) -230.
• B) 230.
• C) 530.
• D) 790.
• E) none of the above

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