CHM 2046L Lab Report #4A

CHM 2046L Lab Report #4A - Lab #14 Discovering the Gas Laws...

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Lab #14 Discovering the Gas Laws Brett Larose Coworker: Adam CHM 2046L Section # 19 2/17/2009 Objectives
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The main purpose of this experiment is to explore the relationships between the pressure, volume, quantity and temperature of a gas. This experiment is also meant to replicate the gas law experiments of Robert Boyle and Amadeo Avogadro. Materials/Equipment 35-mL syringe sealed with heat or epoxy Bathroom Scale Syringe Cap Hot Plate Thermometer 50-mL Erlenmeyer Flask 125-mL Erlenmeyer Flask 10-mL Graduated Cylinder Aluminum Foil Pin Tongs Analytical Balance Methanol () Ethanol ()
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Procedure In Part A of the experiment, Boyle’s Law was tested using a syringe, bathroom scale and a syringe cap. The syringe cap was placed in the center of the scale. Afterwards, the sealed end of the syringe was placed vertically into the cap, and the plunger of the syringe was pushed down using the palm of one’s hand. As the volume of the syringe was decreased, the “weight” (lbs) shown on the bathroom scale was recorded in 5-mL increments. Part B of this experiment was ignored. In Part C of the experiment, the instructor assigned ethanol as the chemical to work with. A 50-mL flask was weighed. Afterwards, 10 mL of ethanol was poured into the 50-mL flask. A small piece of aluminum foil was obtained and weighed. The top of the
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CHM 2046L Lab Report #4A - Lab #14 Discovering the Gas Laws...

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