Chapter 5.1 Homework
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by Chris Dockery
| 4 Questions
1
1
List all of the intermolecular forces present in each of the following substances:
Butane
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Isopropyl Alcohol

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Acetone

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2
1
Based on your answers in #1, which compound to you predict would have the highest bioling point? Why?
3
1
125g of ethanol gas at the boiling point 78.4oC is cooled to a liquid with final temp of 50C. Draw a rough estimate of the cooling curve that would be observed.
4
1
Ethanol (C2H6O) boils at 78.4C, has a ΔHvapor of 40.5 kJ/mol and a ΔHfusion of 5.0 kJ/mol. Specific heat C2H6O(liq) = 2.419 J/g oC. How much heat is lost if 125g of ethanol gas at the boiling point 78.4C is cooled to a liquid with final temp of 50C?
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