CHEMISTRY · Single correct · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry
Problem
Consider the following processes at 298 K.
I. CaCO3(s) → CaO(s) + CO2(g)
II. N2(g) + 3 H2(g) → 2 NH3(g)
III. H2O(l) → H2O(s)
Which ranking from largest to smallest value of ΔS∘ is most reasonable?
(a) II > I > III
(b) I > III > II
(c) III > II > I
(d) I > II > III