Transcript Pressure-Manometers

Pressure
Pressure = Force / Area
Barometer
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Manometer
U-tube Manometer
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Manometer
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Barometer
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Manometer
Higanyos manométer:
U.S. National Chemistry Olympiad
1995 National Test
An open-ended mercury manometer is used to measure the pressure
exerted by a trapped gas as shown in the figure. Atmospheric pressure is
749 mmHg. What is the pressure of the trapped gas?
Pressure Conversions
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1 atmosphere (atm)
760 mm of Mercury (mm Hg)
760 torr
101325 Pascal (Pa)
101.325 Kilopascal (kPa)
14.7 pounds per square inch (psi)
29.92 inches of Mercury (in Hg)
Manometer
Manometers
What does it do - Principles
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Source: Dwyer Instruments, www.dwyer-inst.com
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