BoilingPointLab

BoilingPointLab - LAB: BOILING POINT INTRODUCTION The...

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L AB : B OILING POINT I NTRODUCTION The purpose of this lab is to: a) see what happens to the temperature of a substance when it boils and b) determine if temperature is a measure of heat gained. MATERIALS 2 250 mL beakers ring stand wire gauze Bunsen burner black dye P ROCEDURE 1. Prepare a heating set-up: ring stand, iron ring, wire gauze. 2. Put 200 mL of cold tap water into a beaker. 3. Take the temperature of the water now and record this as the temperature at time zero. 4. Begin heating the water with the Bunsen burner and taking the temperature every 30 seconds while you are heating the water. Stir the water with ;the thermometer and take the temperature in the middle of the volume of water for each reading. 5. After the water begins to boil rapidly, continue taking the temperatures at 30 second intervals for 5 more minutes. 6. At the end of the 5 minutes, shut off your burner. Use a hot mit to place your hot beaker on the desk. Set next to this beaker the second 250 mL beaker filled with
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This note was uploaded on 11/09/2011 for the course CHEM 100 taught by Professor Sdfsdf during the Winter '08 term at BYU.

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BoilingPointLab - LAB: BOILING POINT INTRODUCTION The...

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