a. When will the following reaction be spontaneous?
AB(g) -> A(g) + B(g)
∆Ho = 401 kJ
a. This reaction is spontaneous at low temperatures.
b. This reaction is spontaneous at high temperatures.
c. This reaction is always spontaneous.
d. This reaction is never spontaneous.
2. 0.124 M KOH solution was used to titrate a 34.00 mL sample of a weak acid solution, HC3H5O2, of unknown concentration. 51.99 mL of base was added to reach the equivalence point. Calculate the original concentration of the acid in molarity.
a. 0.00645 M
b. none of the answers are correct.
c. 0.124 M
d. 0.190 M
e. 0.000124 M