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

14. Solutions

Solutions: Solubility and Intermolecular Forces

General Chemistry

14. Solutions

Solutions: Solubility and Intermolecular Forces

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Multiple Choice

Two pure chemical substance are likely to mix and form a solution if:

The formation of the solution causes an increase in energy.

One substance is polar and the other is nonpolar.

The formation of the solution causes an increase in randomness.

Strong intermolecular attraction between the solute molecules.

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Verified step by step guidance

Step 1: Understand the concept of solution formation. Solutions form when solute particles are evenly distributed within a solvent, leading to a homogeneous mixture.

Step 2: Consider the role of entropy in solution formation. Entropy, a measure of randomness or disorder, typically increases when a solution forms, as the solute particles become more dispersed within the solvent.

Step 3: Evaluate the energy changes involved. While energy changes can occur, the key factor for solution formation is often the increase in entropy rather than energy increase.

Step 4: Analyze the polarity of substances. Polar substances tend to dissolve in polar solvents, and nonpolar substances in nonpolar solvents, due to similar intermolecular forces.

Step 5: Examine intermolecular attractions. Strong intermolecular attractions between solute molecules can hinder solution formation, as they resist dispersion into the solvent.