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

6. Chemical Quantities & Aqueous Reactions

Solubility Rules

General Chemistry

6. Chemical Quantities & Aqueous Reactions

Solubility Rules

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Multiple Choice

Liquid carbon dioxide is considered a good green alternative solvent because:

it is highly flammable and easy to store

it is non-toxic and does not contribute to hazardous waste

it increases the solubility of heavy metal salts in water

it reacts violently with most organic compounds

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Verified step by step guidance

Identify the key properties of liquid carbon dioxide relevant to its use as a green solvent. Consider factors such as toxicity, environmental impact, flammability, and chemical reactivity.

Recall that a green solvent should ideally be non-toxic, environmentally benign, and not produce hazardous waste during or after use.

Evaluate each option based on these criteria: - 'Highly flammable and easy to store' is generally not desirable for safety reasons. - 'Non-toxic and does not contribute to hazardous waste' aligns well with green chemistry principles. - 'Increases solubility of heavy metal salts in water' is not a typical characteristic of liquid CO2 and may not relate to green solvent properties. - 'Reacts violently with most organic compounds' would be unsafe and undesirable.

Conclude that the property making liquid carbon dioxide a good green solvent is its non-toxicity and minimal environmental impact, meaning it does not contribute to hazardous waste.

Summarize that liquid CO2's advantages as a green solvent stem from its safety and environmental friendliness rather than flammability or reactivity.