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Sample Exercise 10.2 Using a Manometer to Measure Gas Pressure Solution Analyze We are given the atmospheric pressure (764.7 torr) and the mercury heights in the two arms of the manometer and asked to determine the gas pressure in the flask. Recall that millimeters of mercury is a pressure unit.
Gas Pressure and Converting Units of Pressure. Was this helpful? 1. Intro to General Chemistry 3h 51m. 2. Atoms & Elements 4h 15m. 3.
Calculate the gas pressure (in atm) if the level of the arm to the gas is 62.5 cm higher than the level to the atmosphere. The atmospheric pressure is 0.942 atm. 38 PRACTICE PROBLEM
Define the property of pressure; Define and convert among the units of pressure measurements; Describe the operation of common tools for measuring gas pressure; Calculate pressure from manometer data
Pressure Units and Conversions. A barometer measures gas pressure by the height of the column of mercury. One unit of gas pressure is the millimeter of mercury \ (\left ( \text {mm} \: \ce {Hg} \right)\).
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P 1 T 1 = P 2 T 2. This equation is useful for pressure-temperature calculations for a confined gas at constant volume. Note that temperatures must be on the kelvin scale for any gas law calculations (0 on the kelvin scale and the lowest possible temperature is called absolute zero).
