Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

12. Introduction to Organic Chemistry

Condensed Formula

GOB Chemistry

12. Introduction to Organic Chemistry

Condensed Formula

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2:48 minutes

Problem 9b

Textbook Question

Draw a condensed structure for each of the following compounds:
(b)

Verified step by step guidance

Analyze the given image of the compound to identify the molecular structure, including the arrangement of atoms and bonds.

Determine the connectivity of atoms in the molecule, focusing on the central chain or backbone and any substituents attached to it.

Write the condensed structural formula by grouping atoms together based on their connectivity. For example, CH₃ groups are written as CH₃, CH₂ groups as CH₂, and so on.

Include any branching or substituents in the condensed structure by placing them in parentheses next to the atom they are attached to. For example, CH₃CH(CH₃)CH₂CH₃ represents a branched chain.

Double-check the condensed structure to ensure it accurately represents the molecular structure shown in the image, including all bonds and substituents.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Condensed Structural Formula

A condensed structural formula is a way of representing a chemical compound that shows the arrangement of atoms and the connectivity between them without depicting all the bonds explicitly. It typically groups atoms together to indicate how they are connected, making it easier to visualize the structure of the molecule in a compact form.

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. Understanding functional groups is essential for drawing condensed structures, as they dictate the reactivity and properties of the compound, influencing how the atoms are arranged in the condensed formula.

Chemical Nomenclature

Chemical nomenclature is the systematic naming of chemical compounds based on their structure and composition. Familiarity with nomenclature rules is crucial for accurately interpreting the names of compounds and translating them into their corresponding condensed structures, ensuring clarity and consistency in chemical communication.

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Related Practice

Textbook Question

Draw the following three isomers of C₅H₁₂ as condensed structures:

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Textbook Question

Identify each of the following as a formula of an organic or inorganic compound. For an organic compound, indicate if represented as molecular formula, expanded, or condensed structural formula:

e. CH₃―CH₂―CH₂―CH₂―CH₃

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Textbook Question

Identify each of the following as a formula of an organic or inorganic compound. For an organic compound, indicate if represented as molecular formula, expanded, or condensed structural formula:

b. CH₃―CH₂―CH₂―CH₃

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Textbook Question

Describe the difference between a Lewis structure and a condensed structure in terms of atoms and bonds shown in the structures.

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Textbook Question

Convert each of the Lewis structures shown into a condensed structural formula:

(c)

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