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

8. Thermochemistry

Endothermic & Exothermic Reactions

General Chemistry

8. Thermochemistry

Endothermic & Exothermic Reactions

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Multiple Choice

Which of the following is true about exothermic reactions?

Exothermic reactions require a continuous input of energy to proceed.

Exothermic reactions release energy to the surroundings.

Exothermic reactions result in a decrease in temperature of the surroundings.

Exothermic reactions absorb energy from the surroundings.

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Verified step by step guidance

Understand the definition of an exothermic reaction: Exothermic reactions are chemical reactions that release energy, usually in the form of heat, to the surroundings.

Identify the characteristics of exothermic reactions: They typically result in an increase in the temperature of the surroundings because energy is being released.

Differentiate between exothermic and endothermic reactions: Endothermic reactions absorb energy from the surroundings, leading to a decrease in temperature of the surroundings, which is the opposite of exothermic reactions.

Evaluate the given statements: The statement 'Exothermic reactions release energy to the surroundings' aligns with the definition of exothermic reactions.

Conclude which statement is true: Based on the characteristics of exothermic reactions, the correct statement is that they release energy to the surroundings.