Chem 106 practice exams

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lacythecoolest
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131917
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Chem 106 practice exams
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2012-01-30 23:26:06
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Chem 106 practice exam
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  1. Which of the following molecules has the highest boiling point?

    A. methane
    B. methanol
    C. ethane
    D. octanoic acid
    E. octane
    D.
    (this multiple choice question has been scrambled)
  2. Which of the following functional groups contains a hydrogen bond donor?

    A. alkene
    B. ether
    C. ester
    D. alkyne
    E. alcohol
    E.
    (this multiple choice question has been scrambled)
  3. Which of the following statements describes the secondary structure of proteins?

    A. the amino acid sequence
    B. a and b
    C. the hydrogen bonding interactions between amino acid chains
    D. b and c
    E. the part of the protein structure is usually destroyed by cooking
    D.
    (this multiple choice question has been scrambled)
  4. The critical temperature for propane is 370K and the critical pressure is 42.1 atm. Which ofthe following statements is true?

    A. Propane is a supercritical fluid at temperatures at 370K and any pressure.
    B. Propane is a solid at 370K and 42.1 atm.
    C. Propane vapor will condense at 370K and 42.1 atm.
    d. Propane is a liquid at temperatures above 370K and pressures above 42.1 atm.
    e. Propane is a supercritical fluid at temperatures below 370K and pressures above 42.1 atm
    C.
    (this multiple choice question has been scrambled)
  5. Which of the following substances is most likely to be miscible with water?

    A. olive oil
    B. octane
    C. glass
    D. ethanol
    E. mercury
    D.
    (this multiple choice question has been scrambled)
  6. Which of the following statements is true the solubility of gasses in water?

    a. The solubility of a gas increases with increasing temperature
    .b. The solubility of a gas increases with increasing pressure.
    c. All gasses have the same solubility in water at a given temperature and pressure.
    d. All gasses responds to changes in pressure in the same way.
    e. The solubility of a gas in water is uneffected by changes in temperature and pressure.
    b.
  7. The formula for pentanoic acid is:

    A. C6H11CO2H
    B. C5H11CO2H
    C. C7H15OH
    D.C5H9OH
    E. C4H9CO2H
    E.
    (this multiple choice question has been scrambled)
  8. The intermolecular forces of attraction between aspirin (acetyl salicylic acid) molecules are:

    A. Covalent bonds
    B. London forces and dipole‐dipole interactions
    C. Ionic bonding
    D. London forces, dipole‐dipole interactions, and hydrogen bonding
    E. London forces
    D.
    (this multiple choice question has been scrambled)
  9. A condensation reaction between 2 alcohol molecules yields water and an

    A. Ether
    B. Alkene
    C. Amide
    D. Aromatic ring
    E. Ester
    A.
    (this multiple choice question has been scrambled)
  10. The H‐bond donor that helps stabilize the ‐helix structure of proteins is covalently bondedto:

    A. Sulfur
    B. Carbon
    C. Oxygen
    D. Nitrogen
    E. Fluorine
    D.
    (this multiple choice question has been scrambled)
  11. Metals differ from most other solids because

    A. They have extremely high melting points.
    B. They easily sublime.
    C. They are insulators.
    D. They are malleable and ductile.
    D.
    (this multiple choice question has been scrambled)
  12. Water has a high surface tension because

    A. it is a molecule.
    B. it has strong London forces of attraction.
    C. it has both hydrogen bond donors and acceptors that form a strong hydrogenbonding network.
    D. it interacts with soap.
    C.
    (this multiple choice question has been scrambled)

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