Unit 7 Forces, Solutions, Mixtures Multiple Choice: Circle the letter of the choice that best completes each statement o

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Unit 7 Forces, Solutions, Mixtures Multiple Choice: Circle the letter of the choice that best completes each statement or question. 1. A mixture with particles that settle out if left undisturbed. a. colloid b. solution c. suspension d. Both A and C 2. A measure of how much solute is dissolved into a specific volume of solution a. mole fraction b. solvation c. molar solution d. molarity 3. In the Kool-aid lab, which of the following holds true as the molarity of the Kool-aid increases? a. Concentration decreases b. Flavor intensity decreases c. Amount of solvent used when making 100mL of solution decreases. d. Color intensity decreases. 4. Which of the following is a homogenous mixture? a. solution b. colloid C. thixotropic d. suspension 5. Which statement about gas solubility is true? a. As pressure increases, solubility of a gas decreases. b. As temperature decreases, solubility of a gas increases. c. As temperature decreases, the solubility of a gas decreases d. More than one of the above choices are correct. 6. Which of the following statements explains why ionic substances are soluble in water? a. The molar mass of water is 18.02g/mol. b. An oxygen atom has six electrons in the outer most energy level. c. Water molecules are polar. d. Water is a covalent substance. 7. Which of the following would create an electrolyte solution if dissolved in water? a. O b. CHE C. Naci d. CO
8. Which of the following will NOT form an electrolyte solution? a. Naci b. MgBra © CH 0 d. KCIO 9. Order the following from smallest to largest particle size: colloid, solution, suspension a. colloid < solution < suspension b. solution <colloid < suspension Suspension colloid < solution d. solution < suspension <colloid 10. Based on the image below, what can be concluded? Path or light becomes VENE Torch (b) fa) a liquid (a) is a colloid; liquid (b) is a solution b. liquid (a) is a solution; liquid (b) is a colloid Cliquid (a) is a suspension; liquid (b) is a colloid d. liquid (a) is a colloid, liquid (b) is a suspension 11. Which of the following is NOT a colligative property? a. Freezing point elevation b. Boiling point elevation c. Vapor pressure lowering d. None of the above 12. If each of the following solutes are dissolved in water, which solute would raise the boiling point the most? a. Beci, b. CHA CHCI d. Cacos 13. Which of the following is NOT a type of intramolecular force? a. Polar covalent b. Nonpolar covalent C. Hydrogen-bonding d. lonic
When the two liquids are mixed together, they would 14. Oil is and water is be ? a. Polar, polar, miscible b. Non-polar, non-polar, miscible C. Polar, non-polar, immiscible d. Non-polar, polar, immiscible 15. Which of the following compounds will NOT have hydrogen bonding forces? a. H20 b. NH3 C. CHA d. HF 16. Which of the following lists the forces from weakest to strongest? a. London Dispersion <Dipole-Dipole < H-Bonding < Covalent Bonds b. Covalent Bonds <H-Bonding < Dipole-Dipole < London Dispersion C. H-Bonding < London Dispersion <Dipole-Dipole < Covalent Bonds d. Covalent Bonds < Dipole-Dipole < London Dispersion <H-Bonding 17. What type of intermolecular forces does CHa have? a. London Dispersion b. Hydrogen Bond c.Covalent Bonds d. Carbon Chains 18. Which of the following has a dipole? a. CHA b. 02 C. НСІ d. Naci
89 6 Use the pronto the right tower 22 19. What the pointing to their morces Londondine Covalent bonde Mydon 8 20. With to the won the Wacle bandes Dermalou GO 21. When asked witer, which of the folder what appens The New rounded by the part of the water the con will be surrounded by the part of the watermolens The water heat The wided by the the water molecole 32. Which of blowing the ting point det inte foron? HO HOE CH co
Use the graph below to answer questions 23 through 25. 5.0 4.0 3.0 A Solubility (g solute/100 g H,0) 2.0 1.0 0 0 10 20 30 40 50 60 70 80 90 100 Temperature to 23. If you dissolve 5.0g of Solute A into 100g of water at 80 degrees Celsius the solution would be a saturated b.unsaturated c. supersaturated d. cannot be determined 24. If you dissolve 1. Og of Solute A into 100g of water at 90 degrees Celsius the solution would be a saturated b. unsaturated Supersaturated d. cannot be determined 25. If you dissolve 2.0g of Solute B into 100g of water at 90 degrees Celsius the solution would be a saturated b. unsaturated supersaturated d. cannot be determined