5) Which of the following reactions would you expect tohave the largest value for AS?
问题描述：
5) Which of the following reactions would you expect tohave the largest value for AS?
A) C3H8 (g) + 5 O2 (g) — 3 CO2 (g) + 4 H2O (g)
B) C3H8 (g) + 3 .5 O2 (g) — 3 CO (g) + 4 H2O (g)
C) C3H8 (g) — C3H8 (l)
D) C3H8 (l) — C3H8 (g)
E) C3H8 (s) — C3H8 (l)
答
A是丙烷完全燃烧,
B是丙烷不完全燃烧；
C是不丙烷液化；
D是丙烷气化,吸热；
E是丙烷熔化.
选A