entropy: gas > liquid > solid
solid → gas
12 mol gas → 6 mol gas
2 mol gas → 1 mol gas
Which reaction is most likely to have a positive ΔSsys?
a) SiO2(s) + 3 C(s) → SiC(s) + 2 CO(g)
b) 6 CO2(g) + 6 H2O(g) → C6H12O6(s) + 6 O2(g)
c) CO(g) + Cl2(g) → COCl2(g)
d) 3 NO2(g) + H2O(l) → 2 HNO3(l) + NO(g)
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
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