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

Which of the following statements is/are true?
I. The hydrocarbon methane (CH₄) will dissolve completely in acetone (CH₃COCH₃).
II. Ammonia (NH₃) will form a heterogeneous mixture with carbon tetrachloride (CCl₄).
III. Pentane (C₅H₁₂) will form a homogeneous mixture with carbon tetrabromide (CBr₄).
IV. Methanethiol (CH₃SH) is miscible in fluoromethane (CH₃F).

I only

II and III

II, III, IV

III and IV

None of the above

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Verified step by step guidance

Step 1: Understand the concept of solubility and miscibility. Solubility refers to the ability of a substance to dissolve in a solvent, forming a homogeneous solution. Miscibility is a specific type of solubility where two liquids can mix in any proportion without separating.

Step 2: Analyze statement I. Methane (CH4) is a nonpolar molecule, while acetone (CH3COCH3) is a polar solvent. Generally, nonpolar substances do not dissolve well in polar solvents due to the 'like dissolves like' principle.

Step 3: Analyze statement II. Ammonia (NH3) is a polar molecule, and carbon tetrachloride (CCl4) is nonpolar. Polar and nonpolar substances typically do not mix well, leading to a heterogeneous mixture.

Step 4: Analyze statement III. Pentane (C5H12) and carbon tetrabromide (CBr4) are both nonpolar molecules. Nonpolar substances tend to mix well with each other, forming a homogeneous mixture.

Step 5: Analyze statement IV. Methanethiol (CH3SH) and fluoromethane (CH3F) are both polar molecules. Polar substances are generally miscible with each other, meaning they can mix in all proportions.