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

13. Alkenes, Alkynes, and Aromatic Compounds

Intro to Hydrocarbons

GOB Chemistry

13. Alkenes, Alkynes, and Aromatic Compounds

Intro to Hydrocarbons

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Problem 49

Textbook Question

There are two things wrong with the following structure. What are they?

Verified step by step guidance

Examine the structure provided in the image carefully, focusing on the arrangement of atoms, bonds, and any formal charges.

Check for violations of the octet rule, which states that most atoms (except hydrogen and a few others) should have eight electrons in their valence shell.

Verify the connectivity of atoms to ensure that the correct number of bonds is present for each atom based on its typical bonding behavior (e.g., carbon forms four bonds, oxygen forms two bonds, etc.).

Look for any incorrect formal charges by calculating the formal charge for each atom using the formula: Formal Charge = Valence Electrons - (Nonbonding Electrons + 1/2 Bonding Electrons).

Identify any other structural issues, such as incorrect placement of lone pairs, missing or extra bonds, or improper atom types in the structure.

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Key Concepts

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

Structural Integrity

Structural integrity refers to the ability of a structure to withstand its intended load without experiencing failure due to deformation or collapse. It involves analyzing the materials, design, and construction methods used to ensure that the structure can support the forces acting upon it, such as weight, wind, and seismic activity.

Design Principles

Design principles are fundamental guidelines that inform the creation and evaluation of structures. These principles include balance, proportion, and harmony, which help ensure that a structure is not only functional but also aesthetically pleasing and safe. Understanding these principles is crucial for identifying flaws in a structure's design.

Building Codes and Standards

Building codes and standards are regulations that set the minimum requirements for construction and safety in buildings. They cover aspects such as materials, structural design, and safety measures to protect occupants. Familiarity with these codes is essential for assessing whether a structure meets legal and safety requirements.

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