BoilingPointLab

BoilingPointLab - We used Bunsen burners to heat up the...

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Lab Report #1 Boiling Point Determination A. Introduction In this experiment, we measured the boiling point of an unknown substance. The boiling point of a substance is the temperature at which the pressure of the vapor of the substance becomes equal to the prevailing external pressure above the substance. B. Chemical Responsibility We worked with three different kinds of alcohol. Methanol, ethanol and isopropyl alcohol are flammable liquids and are toxic by ingestion. To dispose of the unknown liquid, discard it into the bottle labeled “Waste Experiment 1 Boiling Point Unknowns.”
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Unformatted text preview: We used Bunsen burners to heat up the water. Throw glass away by putting it into the broken glass box and wash your hands when you are finished. C. Report Sheet First I calibrated my thermometer. It read 2.8 C in an ice bath and 102.8 C in boiling water. I determined that the correction for my thermometer would always be -2.8 C. The observed boiling points of my unknown were 80.2 C and 79.4 C. The corrected boiling points were 77.4 C and 76.6 C....
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This note was uploaded on 08/15/2008 for the course CHM U212 taught by Professor Witten during the Fall '08 term at Northeastern.

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