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14.0 Chemistry Final Exam Review - Round 2!

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  • Part 8: Match the right description to the picture
    Weak acid
    HCl
    Strong electrolyte
    Light bulb does not shine
  • Part 8: Match the right description to the picture
    H2O
    Weak acid
    Strong electrolyte
    non-electrolyte
  • Part 8: Match the right description to the picture
    weak acid
    strong electrolyte
    Fully dissociated
    C2H3OH
  • Part 8: Match the right description to the picture
    H2O
    non-electrolyte
    HCl
    Light bulb shines brightly
  • Part 8: Match the right description to the picture
    water
    HCl
    Weak acid
    C2H3OH
  • Part 8: Match the right description to the picture
    distilled water
    Light bulb shines brightly
    Strong acid
    Fully dissociated
  • Part 8: Match the right description to the picture
    Light bulb does not shine
    weak electrolyte
    weak acid
    Fully dissociated
  • Part 9: 15 g of sugar cubes are dissolved in 120g of water at 20 C. What could be done to increase the rate of dissolution?
    Use larger sugar cubes
    Add an electrolyte to the water
    Cool down the water
    Stir the mixture
  • Part 8: Match the right description to the picture
    HCl
    Light bulb shines brightly
    Weak electrolyte
    Strong strong acid
  • Part 9: Salt will dissolve in water more quickly if you stir it because...
    Stirring makes the particles move slower
    Stirring increases the surface area of solute
    Stirring increases the kinetic energy
    Stirring increases the number of collisions
  • Part 8: In order for a substance to conduct electricity... (which is not true?)
    It will have to be in solid form
    it will have to be an ionic substance
    it will have to be dissolved in water
  • Part 8: Choose the solute that would likely create a solution that will conduct electricity.
    glycerol, C3H5(OH)3
    potassium iodide, KI
    ethyl alcohol, C2H2OH
    sucrose, C12H22O11
  • Part 9: The solublity of a gas in a liquid occurs faster if the liquid is...
    Stirred
    Agitated
    Cooled
    Heated
  • Part 8: Match the right description to the picture
    HCl
    Light bulb shines brightly
    Not dissociated
    Weak electrolyte
  • Part 9: Which is NOT one of the 3 factors that increase the solubility of a SOLID solute in liquid solvent:
    incease surface area (i.e. crushing)
    increase agitation (stirring, shaking, mixing, etc)
    increase pressure
    increase temperature
  • Part 9: 30 g of KCl dissolved in 100g of water at 80 C would be considered____________
    a saturated solution (S)
    an supersaturated solution (SS)
    an unsaturated solution (U)
  • Part 8: When added to the distilled water in a beaker, which sample would caus the light bulb to glow the brightest?
    potassium iodide, KI
    glycerol, C3H5(OH)3
    ethyl alcohol, C2H2OH
    sucrose, C12H22O11
  • Part 8: Match the right description to the picture
    HCl
    non-electrolyte
    Light bulb shines dimly
    Not dissociated
  • Part 9: Which is NOT one of the 2 factors that increase the solubility of a GAS solute in liquid solvent:
    increase temperature
    decrease temperature
    increase pressure
  • Part 8: Match the right description to the picture
    Partially dissociated
    distilled water
    Fully dissociated
    non-electrolyte
  • Part 8: Match the right description to the picture
    C2H3OH
    Light bulb shines brightly
    Strong electrolyte
    Partially dissociated
  • Part 9: 80 g of NaNO3 dissolved in 100g of water at 10 C would be considered____________
    an unsaturated solution (U)
    a saturated solution (S)
    a supersaturated solution (SS)
  • Part 8: Match the right description to the picture
    Strong acid
    C2H3OH
    non-electrolyte
    Weak acid
  • Part 8: Match the right description to the picture
    HCl
    Not dissociated
    Weak acid
    Light bulb shines brightly
  • Part 9: 30 g of K2CrO7 dissolved in 100g of water at 50 C would be considered____________
    a saturated solution (S)
    an unsaturated solution (U)
    a supersaturated solution (SS)
  • Part 9: 110 g of Pb(NO3)2 dissolved in 100g of water at 60 C would be considered____________
    a saturated solution (S)
    an unsaturated solution (U)
    a supersaturated solution (SS)
  • Part 8: Match the right description to the picture
    H2O
    Strong electrolyte
    C2H3OH
    Strong acid
  • Part 9: 40 g of CaCl2 dissolved in 100g of water at 30 C would be considered____________
    an unsaturated solution (U)
    a saturated solution (S)
    a supersaturated solution (SS)
  • Part 8: Match the right description to the picture
    Light bulb shines brightly
    C2H3OH
    Weak acid
    Partially dissociated
  • Part 9: 30 g of K2CrO7 dissolved in 100g of water at 50 C would be considered____________
    a supersaturated solution (SS)
    a saturated solution (S)
    an unsaturated solution (U)
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