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5 Written questions

5 Matching questions

  1. Draw functional group structure and give molecular formula for: Amino.
    Example?
  2. Know functional group NAMES, MOLECULAR FORMULAS, and STRUCTURES!
  3. What are functional groups? Names?
  4. What are emergent properties of water?
  5. What scale is pH?
  1. a Hydroxyl, Carbonyl, Carboxyl, Amino, Sulfhydryl, Phosphate, and Methyl
  2. b Special abilities water takes on when combined with itself (only works with large amounts of molecules, not just a single molecule)
  3. c Small organic molecules with great effects:
    Hydroxyl, Carbonyl, Carboxyl, Amino, Sulfhydryl, Phosphate, and Methyl
  4. d A log scale. Each change is 10 times. So when we go up or down, we add a zero to the end.
  5. e Amino (-NH₂) (acts as a base, amino acids); N single bonded to 2 H's

    H
    |
    −N
    |
    H

    Ex: Glycine

5 Multiple choice questions

  1. Ex: pH = 12, What is the molar concentration of H⁺? OH⁻? H⁺ is 1 x 10⁻¹², OH⁻ is 1 x 10⁻².
  2. Carbonyl (>CO) (ketones, aldehydes, sugars); C double bonded to O

    O

    −C
    |

    Ex: Acetone, the simplest ketone
  3. Waters specific heat is much higher that that of other solvents; this is because of hydrogen bonding; this keeps temperatures of places near/on bodies of water consistent
  4. YES!
  5. Methyl (−CH₃) (sex hormones, DNA methylation (when it gets tagged onto your DNA); C single bonded to 3 H's

    H
    |
    −C − H
    |
    H

    Ex: 5-methyl cytidine

5 True/False questions

  1. What is heat of vaporization? How does it relate to evaporative cooling? What affect does it have on living organisms?Heat required to convert 1g of liquid into a gaseous state (high); Evaporative cooling is the warmest molecules of a liquid leave as a gas; allows us to sweat, or release heat so we don't die

          

  2. Draw functional group structure and give molecular formula for: Sulfhydryl.
    Example?
    Hydroxyl (polar, form hydrogen bonds, polar solvents)
    −OH (may be written HO-)
    Ex: Alcohols, such as Ethanol

          

  3. What is specific heat?Resistance to change in temperature

          

  4. Describe the terms: solvent, solute, and solution.WATER!

          

  5. Why is carbon the basic building element of life?WATER!

          

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