Who Wants Piles and Piles of MONEY?? Which of the following is an example of a heterogeneous mixture? A. mayonnaise B. Salt water C. Sugar solution D. vinegar 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 A mixture that separates into different layers when you stop stirring it is a(n) A. colloid B. solution C. emulsion D. suspension 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 You can usually separate out a suspension by A. Pouring off the liquid B. Using a filter C. Distilling the entire suspension D. Freezing the suspension 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Loose sugar dissolves much faster than a sugar cube because loose sugar A. Has a greater surface area B. Has less kinetic energy C. Has a higher temperature D. Has a greater surface tension 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 You can make a solute dissolve more quickly in a solvent by A. Adding more solute B. Adding ice C. Heating the solvent D. Removing some solvent 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Water is referred to as the universal solvent because A. It is found throughout the universe B. All known substances dissolve in water C. It covers more than half of the Earth’s surface D. Many different substances dissolve in water 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 An unsaturated solution is one that A. Can dissolve more solute at the current conditions B. Will precipitate out all its dissolved solute C. Can dissolve more solute only if heated D. Can dissolve more solute only if the pressure is increased 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Which of the following is a homogeneous mixture? A. Salad dressing B. Rubbing alcohol C. gelatin D. Orange juice with pulp 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Which statement about solutions is incorrect? A. Liquids that mix to form a single layer are said to be miscible C. In a solution, the solvent is dissolved in the solute 0% A. B. All solutions are homogeneous mixtures D. atoms, ions, or molecules of solute are present in a solution 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Which states of matter can form solutions? A. gas-liquid B. solid-solid C. solid-liquid D. All of the above 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Distillation can be used to separate solutions of miscible liquids because A. Boiling breaks the chemical bonds within each liquid B. Denser liquids sink to the bottom C. Different liquids usually have different boiling points D. Solids remain after the liquids are boiled away 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Sugar will dissolve more quickly in iced tea if you stir it because stirring A. Absorbs kinetic energy B. Increases solution solubility C. Helps the solute to dissolve D. Changes water’s polarity 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Which of the following will not make it easier to dissolve a solute in a solvent? A. Heating the solvent B. Adding a large amount of solute C. Increasing solute surface area D. Stirring the solution 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Water can dissolve charged particles because A. Its atoms have partial charges B. It is solid at 0°C C. It is an ionic compound D. It has a low molecular weight 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 When a solution holds more dissolved solute than is needed to reach equilibrium at a given temperature, the solution is A. supersaturated B. saturated C. distilled D. condensed 0% A. 0% B. 0% C. 0% D. Points 15. $10,000 14. $9,000 13. $8,000 12. $7,000 11. $6,000 10. $5,000 9. $4,000 8. $3,000 7. $2,000 6. $1,000 5. $500 4. $400 3. $300 2. $20060 1. $100 Participant Scores 0 Participant 1 0 Participant 11 0 0 0 0 Participant 2 Participant 3 Participant 4 Participant 5 0 0 0 0 Participant 12 Participant 13 Participant 14 Participant 15 0 0 0 Participant 6 Participant 7 Participant 8 0 0 0 Participant 16 Participant 17 Participant 18 0 0 Participant 9 Participant 10 0 0 Participant 19 Participant 20