CHEM 162 General Chemistry
University of Washington
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Chem 162 Experiment #3: Intermolecular Forces Part II: Vapor Pressure and Enthalpy of Vaporization - GRADED A+
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---7July 20232022/2023A+
- Chem 162 Experiment #3: Intermolecular Forces 
Part II: Vapor Pressure and Enthalpy of Vaporization 
PURPOSE (4 pts) 
The purpose is to measure the enthalpies of vaporazation of pentane, diethyl ether, butanone, and 2-butanol. For 
each of these molecules, a portion of the enthalpy of vaporization is due to dispersion forces (all molecules have 
dispersion forces) and the other to a polar component. In the boxes provided below, draw the structural formula for 
each molecule (should be drawn by h...
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Exam (elaborations)
University of Washington Chem 162 lab 4- All Answers are Correct (Graded A)
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---6May 20222022/2023A+
- Chem 162 - Experiment #4 
I. Fractional Crystallization of KNO3 with (NH4 
)2Fe(SO4 
)2 
·6H2O Impurity 
II. The Solubility Curve of KNO3 
DATA, CALCULATIONS, AND GRAPHS 
By signing below, you certify that you have not falsified data, that you have not plagiarized any part of this lab report, and 
that all calculations and responses other than the reporting of raw data are your own independent work. Failure to sign 
this declaration will result in 5 points being deducted from your report score....
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