3.
For the reaction
CO (g) + H
O (g) ! CO
(g) + H
(g)
2
2
2
o
o
!H
= -41.2 kJ and !S
= -135 J/K
o
a) Calculate !G
at room temperature, 298K.
o
o
o
b) Calculate !G
at 700 K, assuming that !H
and !S
are
temperature independent.
c) Does raising the temperature favor this reaction, as written?
d) Which factor, entropy or enthalpy, favors this reaction at high and
low T?
o
e) Calculate !G
at 305 K. Which reaction, forward or reverse, is
spontaneous at this temperature?