Which of the following processes involves a decrease in entropy?
a. the decomposition of NH 3 (g)
b. the condensation of steam
c. the sublimation of CO2
d. the evaporation of ethanol
e. the dissolution of NH4NO3(s) in water
f. I2 at 90oC and 5.0 atm → I2 at 50oC and 10.0 atm
g. NH4Cl(s) → HCl(g) + NH3(g)
h. CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)
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