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

13. Liquids, Solids & Intermolecular Forces

Intermolecular Forces

General Chemistry

13. Liquids, Solids & Intermolecular Forces

Intermolecular Forces

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Multiple Choice

Which of the following statements helps to explain why water molecules form hydrogen bonds?

Water molecules contain carbon atoms, which are essential for hydrogen bonding.

Water molecules have a high molecular weight, which facilitates hydrogen bonding.

Water molecules are nonpolar, which allows them to form hydrogen bonds.

Water molecules have a bent shape, leading to a polar molecule.

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Verified step by step guidance

Understand the concept of hydrogen bonding: Hydrogen bonds are a type of weak chemical bond that occurs when a hydrogen atom, which is covalently bonded to a more electronegative atom, interacts with another electronegative atom nearby.

Identify the key characteristics of water molecules: Water (H₂O) consists of two hydrogen atoms covalently bonded to one oxygen atom. The oxygen atom is more electronegative than hydrogen, creating a polar covalent bond.

Recognize the molecular geometry of water: Water molecules have a bent shape due to the two lone pairs of electrons on the oxygen atom. This shape contributes to the polarity of the molecule.

Explain the polarity of water: The bent shape and the difference in electronegativity between oxygen and hydrogen result in a partial negative charge near the oxygen and a partial positive charge near the hydrogen atoms, making water a polar molecule.

Connect polarity to hydrogen bonding: The polarity of water molecules allows them to form hydrogen bonds, as the partially positive hydrogen atoms can attract the partially negative oxygen atoms of nearby water molecules.