For the given processes, determine if ΔHrxn° and ΔSrxn° are positive, negative, or zero.
2H2O(g) → 2H2(g) + O2(g)
ΔHrxn° = negative
ΔSrxn° = positive
C5H12(g) → C5H12(l)
ΔHrxn° = zero
ΔSrxn° = positive
For the given processes, determine if ΔHrxn and ΔSrxn are positive, negative, or zero.
2HO(g) → 2Hg) + Og)
Hxn = negative
Sxn = positive
CH2g → CH2l
Hxn = zero
Sxn = positive