ideal gas

# ideal gas - University Physics Lab The Ideal Gas Law and...

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The Ideal Gas Law and Absolute Zero - 1 University Physics Lab The Ideal Gas Law and Absolute Zero Purpose of the experiment To determine the relationship between pressure and volume of the gas and describe this relationship in a mathematical equation. To study the relationship between the temperature of a gas sample and the pressure it exerts and to codify this relationship in a mathematical equation. To find a value for absolute zero on the Celsius temperature scale. Table of Contents Prelab……………………………………………………………………………………2 The Lab………………………………………………………………………………….3 Apparatus………………………………………………………………………. .3 Procedure………………………………………………………………………. .4 Analysis………………………………………………………………………. ..14 Background Information……………………………………………………………….17

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The Ideal Gas Law and Absolute Zero - 2 Prelab Prelab 1: Consider the following ordered pairs of numbers: x y 2 6 3 9 5 15 9 27 a.) Make a graph of y vs. x using these ordered pairs. b.) Mathematically determine if the relationship between x and y is direct ( y = kx ) or inverse ( y = k/x ) where k is a constant in both cases. In the process, determine the value of the constant k . Show your work. Prelab 2: Repeat Prelab 1 for the following ordered pairs: x y 2 24 3 16 4 12 8 6 12 4
The Ideal Gas Law and Absolute Zero - 3 The Lab The goal: To determine the relationship between pressure and volume of the gas and describe this relationship in a mathematical equation. To study the relationship between the temperature of a gas sample and the pressure it exerts and to codify this relationship in a mathematical equation. To find a value for absolute zero on the Celsius temperature scale. Apparatus Part I: Part II: Windows PC LabPro Interface Logger Pro Vernier Gas Pressure Sensor 20 mL gas syringe Windows PC LabPro Interface Logger Pro Vernier Gas Pressure Sensor Vernier Stainless Steel Temperature Probe Rubber stopper assembly Plastic tubing with two Luer-lock connectors 125 mL Erlenmeyer flask Four 800 mL beakers Beaker tongs Tray Ice, Water & Hot Water Paper Towels 20 mL gas syringe Safety goggles

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The Ideal Gas Law and Absolute Zero - 4 Procedure Part I: Boyle’s Law 1.) Prepare the Gas Pressure Sensor and an air sample for data collection. a.) Plug the Gas Pressure Sensor into CH 1 of the LabPro. b.) With the 20 mL syringe disconnected from the Gas Pressure Sensor, move the piston of the syringe until the front edge of the inside black ring (indicated by the arrow in Figure 1) is positioned at the 10.0 mL mark. c.) Attach the 20 mL syringe to the valve of the Gas Pressure Sensor.
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## This note was uploaded on 05/29/2008 for the course PHYS 101 taught by Professor Herber during the Spring '08 term at Denver.

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ideal gas - University Physics Lab The Ideal Gas Law and...

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