CHEMISTRY 104 DUE ON FEBRUARY 13,2020 11:59 PM (EASTERN-TIME)
1. You are working in the lab and you find a bottle with mysterious liquid in it that has a label with the following information: vapor pressure of 405 torr at 57.8 C and 642 torr at 71.0 C . What is the normal boiling point of this liquid? Using the table below of common boiling points, what is the mysterious liquid? (20 points)
Table 1. Boiling points of compounds by their common name.
Compound Boiling Point (C)
Revan 54.2
Odion 64.7
Scabrous 76.7
Malgus 80.1
2. Use the following data to sketch a cooling curve and calculate the amount of heat lost for 1.5 moles of trihexalon, a biological weapon of mass destruction that needs to be cooled for transport. Start the curve 110 C and at +16C ,
Table 2. Thermochemical properties of trihexalon
Boiling Point 93C
Melting Point 21C
Heat of Vaporization ( HVap) 23.7kJ/mol
Heat of Fusion ( Hfus) 11.7kJ/mol
Molar Heat Capacity 123.1 J/mol C
Molar Heat Capacity (g) 63.4 J/mol C
Molar Heat Capacity (s) 27.8 J/mol C
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CHEMISTRY 104 DUE ON FEBRUARY 13,2020 11:59 PM (EASTERN-TIME) was first posted on February 14, 2020 at 7:00 pm.
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