SAT Subject Test Chemistry,10 edition

Questions   52–54   refer   to  the following   graph.

(A) 180 torr

(B) 330 torr

(C) 675 torr

(D) 0.25    atm

(E) None    of  the above

51 . H 2 O has a higher boiling point than HF because

(A) H 2 O   is  more    polar   than    HF

(B) H 2 O   can form    more    hydrogen    bonds

(C) H 2 O   has a   higher  molecular   weight

(D) H 2 O   has more    atoms

(E) H 2 O   does    not have    a   higher  boiling point   than    HF

52 . In what pressure range will the compound sublime?