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 these choices are correct.

Question

Quizplus · Accepted Answer

The argon pressure is equal to the difference in mercury levels, which is 230 mm. This difference directly translates to the pressure in torr, so the argon pressure is 230 torr.

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