We’re being asked to determine the pressure of a gas (in atm) using an open-end manometer.
A manometer allows you to determine the pressure of a gas (Pgas) sample by using the atmospheric pressure (Patm) and the difference in the height of mercury (h).
Different conditions for an open-end manometer are illustrated below:
• When Pgas is pushing the same force as Patm
• When Pgas is pushing harder than Patm
The atmospheric pressure is 752 mm Hg. What is the pressure (atm) of the enclosed gas when h = 36.0 cm?
a) 1.463 atm
b) 0.9954 atm
c) 1.009 atm
d) 1.271 atm
e) 0.9826 atm
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Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.