Patm Open end- 136.4 mm 103.8 mm Pge gas Pras = Patm + Pn Figure 10.3 A mercury manometer.

Chemistry
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On a certain day, a laboratory barometer indicates that the atmospheric pressure is 764.7 torr. A sample of gas is placed in a flask attached to an open-end mercury
manometer (Figure 10.3), and a meter stick is used to measure the height of the mercury in the two arms of the U tube. The height of the mercury in the open-ended arm is 136.4 mm, and the height in the arm in contact with the gas in the flask is 103.8 mm. What is the pressure of the gas in the flask (a) in atmospheres, (b) in kilopascals?

Patm
Open end-
136.4 mm
103.8 mm
Pge
gas
Pras = Patm + Pn
Figure 10.3 A mercury manometer.
Transcribed Image Text:Patm Open end- 136.4 mm 103.8 mm Pge gas Pras = Patm + Pn Figure 10.3 A mercury manometer.
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