7U.S. National Chemistry Olympiad ManometerHiganyos manométer:U.S. National Chemistry Olympiad1995 National TestAn 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?
8Pressure Conversions 1 atmosphere (atm) 760 mm of Mercury (mm Hg) 760 torrPascal (Pa)Kilopascal (kPa)14.7 pounds per square inch (psi)29.92 inches of Mercury (in Hg)