Problem: The atmospheric pressure is 752 mm Hg. What is the pressure (atm) of the enclosed gas when h = 36.0 cm?a) 1.463 atmb) 0.9954 atmc) 1.009 atmd) 1.271 atme) 0.9826 atm

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FREE Expert Solution

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

Pgas=Patm



When Pgas is pushing harder than Patm

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Problem Details

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.