PGE_312_Spring09_Solution_HW1

PGE_312_Spring09_Solution_HW1 - n-Pentane will have a...

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PGE 312 – Physical and Chemical Behavior of Petroleum Fluids I Homework 1
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Problem 1-5 1. Heptane 2. 2-Methylhexane CH 3 CH 2 CH 2 CH 2 CH 2 CH 2 CH 3 CH 3 CH CH 2 CH 2 CH 3 CH 2 CH 3
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3. 3-Methylhexane 4. 2,3-Dimethylpentane 5. 2,2-Dimethylpentane 6. 3,3-Dimethylpentane 7. 2,4-Dimethylpentane 8. 3-Ethylpentane 9. 2,2,3-Trimethylbutane CH 3 CH CH CH 2 CH 3 CH 3 CH 3 CH 3 C CH 2 CH 2 CH 3 CH 3 CH 3 CH 3 CH 2 C CH 2 CH 3 CH 3 CH 3 CH 3 CH CH 2 CH CH 3 CH 3 CH 3 CH 3 CH 2 CH CH 2 CH 2 CH 3 CH 3 CH 3 C CH CH 3 CH 3 CH 3 CH 3 CH 3 CH 2 CH CH 2 CH 3 CH 2 CH 3
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Problem 1-12 a. 3-Methylhexane is more stable when compared to 3-Methylpentane, since the former has longer chain relative to the latter, which results in an increased stability. This relates to a higher boiling point temperature. b. n-Hexane will have a higher boiling point temperature when compared with 3- Methylpentane. This is because the latter has branching that causes a decrease in intermolecular forces, which results in a lower boiling point temperature. c.
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Unformatted text preview: n-Pentane will have a higher boiling point relative to 1-Pentene. This is because alkenes tend to be more reactive due to the presence of double bonds. d. 2-Methyl-1-butene will have a higher boiling point temperature relative to 1-Pentene. CH 2 C CH 2 CH 3 CH 2 CH CH 2 CH 2 CH 3 CH 3 2-Methyl-1-butene 1-Pentene The placement of the Methyl branch next to the double bond causes a slight increase in the intermolecular force which results in a slight increase in the boiling point temperature of 2-Methly-1-butene as compared to 1-Pentene even though there is branching involved in the former. Furthermore, asymmetry and dispersion forces in 2-Methyl-1-butene contribute to an increased boiling point. Problem 1-14 Biphenyl Chlorobenzene Naphthalene C CH CH CH CH CH CH CH C CH CH CH CH C CH CH CH CH Cl C CH CH C CH CH CH CH CH CH Cumene (Isopropylbenzene) Dimethyldisulfide CH C CH CH CH CH CH CH 3 CH 3 CH 3 S S CH 3...
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PGE_312_Spring09_Solution_HW1 - n-Pentane will have a...

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