1. Matter and Measurements4h 29m
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 35m
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. Amines38m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 46m
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

1. Matter and Measurements

Physical Properties

GOB Chemistry

1. Matter and Measurements

Physical Properties

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0:59 minutes

Problem 77Timberlake - 13th Edition

Textbook Question

Identify each of the following as a physical or chemical property: (3.2) c. Gold is a good conductor of electricity.

Verified step by step guidance

Understand the difference between physical and chemical properties: A physical property is a characteristic that can be observed or measured without changing the substance's identity, while a chemical property describes a substance's ability to undergo a specific chemical change.

Consider the property in question: 'Gold is a good conductor of electricity.'

Determine if the property involves a change in the substance's identity: Conductivity involves the movement of electrons through a material, which does not change the identity of the substance.

Recognize that conductivity is a physical property because it can be observed without altering the chemical structure of gold.

Conclude that the statement 'Gold is a good conductor of electricity' describes a physical property.

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Key Concepts

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

Physical Property

A physical property is a characteristic of a substance that can be observed or measured without changing its chemical composition. Examples include color, density, melting point, and conductivity. These properties help identify and describe materials in their natural state.

Chemical Property

A chemical property refers to a substance's ability to undergo a specific chemical change or reaction. This includes reactivity with other substances, flammability, and acidity. Unlike physical properties, observing a chemical property typically results in a change in the substance's chemical structure.

Conductivity

Conductivity is a measure of a material's ability to conduct electric current. It is a physical property that varies among different materials; metals like gold are known for their high conductivity, allowing them to efficiently transfer electricity. Understanding conductivity is essential in fields like electronics and materials science.