Table of contents

1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

2. Atoms & Elements

Atomic Theory

General Chemistry

2. Atoms & Elements

Atomic Theory

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Multiple Choice

Which of the following is true of the relationship between hypotheses and theories in the scientific method?

Hypotheses and theories are interchangeable terms in scientific research.

A theory is a well-substantiated explanation, while a hypothesis is a tentative idea.

A hypothesis is always proven true before it becomes a theory.

A hypothesis is a well-substantiated explanation, while a theory is a tentative idea.

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Verified step by step guidance

Understand the definitions: A hypothesis is a tentative explanation or prediction that can be tested through experimentation and observation. It is often formulated as a statement that can be either supported or refuted by evidence.

Understand the definitions: A theory is a well-substantiated explanation of some aspect of the natural world that is based on a body of evidence and has stood up to repeated testing and scrutiny. Theories are broader in scope than hypotheses and are supported by a large amount of evidence.

Recognize the relationship: In the scientific method, hypotheses are proposed as initial explanations or predictions that can be tested. If a hypothesis is repeatedly tested and supported by evidence, it may contribute to the development of a theory.

Clarify misconceptions: Hypotheses and theories are not interchangeable. A hypothesis does not become a theory simply by being proven true. Instead, a theory is developed from a collection of related hypotheses that have been tested and supported by evidence.

Identify the correct statement: Based on the definitions and relationships, the correct statement is that a theory is a well-substantiated explanation, while a hypothesis is a tentative idea.