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 type of reaction releases energy to the surroundings?

Adiabatic reaction

Endothermic reaction

Exothermic reaction

Isothermal reaction

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Verified step by step guidance

Understand the types of reactions: In chemistry, reactions can be classified based on energy changes. The main types are exothermic and endothermic reactions.

Define exothermic reactions: Exothermic reactions are chemical reactions that release energy, usually in the form of heat, to the surroundings. This results in an increase in the temperature of the surroundings.

Define endothermic reactions: Endothermic reactions absorb energy from the surroundings, leading to a decrease in the temperature of the surroundings.

Consider the other terms: An adiabatic process is one where no heat is exchanged with the surroundings, and an isothermal process is one where the temperature remains constant.

Identify the correct type: Since exothermic reactions release energy to the surroundings, they are the type of reaction that fits the description given in the problem.