SAT Subject Test Chemistry,10 edition

(A) Pressures   less    than    P(b)

(B) Pressures   between P(b)    and P(c)

(C) Pressures   between P(d)    and P(c)

(D) Pressures   between P(b)    and P(d)

(E) The compound    will    not sublime under   any pressure.

53 . The phase change represented by crossing curve bd is

(A) evaporation

(B) sublimation

(C) condensation

(D) melting

(E) boiling

54 . The phase change represented by crossing curve bc is

(A) freezing

(B) melting

(C) deposition

(D) sublimation

(E) evaporation

55 . If you mix 3 L of 0.5 M NaCl with 9 L of 0.2777 M NaCl, what will the concentration of the
final solution be, assuming that volumes are additive?

(A) 0.33    M

(B) 0.39    M

(C) 0.5777  M

(D) 0.7777  M

(E) None    of  the above

56 . Which of the following statements about boiling-point elevation is NOT true?