Cracking the SAT Chemistry Subject Test

Question Type C

26. A 10-gram sample of which substance is held together by hydrogen
    bonding?
    (A) H 2
    (B) NH 3
    (C) C 3 H 8
    (D) CaH 2
    (E) HBr


27. A substance possessing a characteristically lowvapor pressure can
    be expected to have
    (A) extremely weak intermolecular forces
    (B) a relatively small heat of vaporization
    (C) a relatively high boiling point
    (D) a relatively high rate of evaporation
    (E) a significantly high percentage of molecules that have
    high kinetic energy