Predict the sign of ΔS for each of the following changes?

a. Na(s) + 1/2Cl2(g) ----------> NaCl(s)
b. N2(g) + 3H2(g) -------------> 2NH3(g)
c. NaCl(s) ---------------> Na+(aq) + Cl-(aq)
d. NaCl(s) ---------------> NaCl(l)
2 answers