4. Read Section 1.12 on IMF and physical properties in the Klein text. (Alternately, review the linked information on Canvas.) a) Draw line structures for the following constitutional isomers: 3,3-dimethylhexane; octane; 2,2,3-trimethylpentane; 3-ethylhexane b) Rank them in order of increasing boiling points (1 = lowest bp. 4 = highest bp). c) Rank them in order of increasing AH combustion (1= smallest, least negative AH, 4 = largest, most negative AH). Circle the molecule that is the most stable.
4. Read Section 1.12 on IMF and physical properties in the Klein text. (Alternately, review the linked information on Canvas.) a) Draw line structures for the following constitutional isomers: 3,3-dimethylhexane; octane; 2,2,3-trimethylpentane; 3-ethylhexane b) Rank them in order of increasing boiling points (1 = lowest bp. 4 = highest bp). c) Rank them in order of increasing AH combustion (1= smallest, least negative AH, 4 = largest, most negative AH). Circle the molecule that is the most stable.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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
Transcribed Image Text:**Title: Understanding Constitutional Isomers and Their Properties**
**Objective:**
Analyze and compare the physical properties of given constitutional isomers by drawing their structures and ranking them based on boiling points and heat of combustion.
**Instructions:**
1. **Pre-reading:**
- Review Section 1.12 on intermolecular forces (IMF) and physical properties in the Klein textbook.
- Alternatively, consult the linked information provided on Canvas.
2. **Task Overview:**
- Draw the line structures for the following constitutional isomers:
- 3,3-Dimethylhexane
- Octane
- 2,2,3-Trimethylpentane
- 3-Ethylhexane
3. **Ranking Exercises:**
- **Boiling Points:**
- Rank the isomers in order of increasing boiling points (1 = lowest boiling point, 4 = highest boiling point).
- **Heat of Combustion (ΔH_combustion):**
- Rank the isomers based on increasing heat of combustion (1 = smallest/least negative ΔH, 4 = largest/most negative ΔH).
- Identify and circle the molecule that is the most stable.
This exercise will help students understand how structural variations in isomers influence their physical properties.
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