Determine the change in the standard entropy of the universe for the given reaction from the given data at 25°C.
H₂(g) + (1/2)O₂(g) → H₂O(g)
Substance ΔH° (kJ/mol) ΔS° (J/molK)
Hâ‚‚(g) 0 130.6
Oâ‚‚(g) 0 205.0
Hâ‚‚O(g) -241.8 188.7
+767 J/K
-767 J/K
+764 J/K
-764 J/K
+769 J/K
-769 J/K
3 points
What are the signs of ΔS and ΔG for the conversion of liquid water to ice at low temperature and 1 atm?
H will be negative, S will be negative, G will be positive
H will be negative, S will be negative, G will be negative
H will be positive, S will be positive, G will be negative
H will be positive, S will be positive, G will be positive
H will be negative, S will be positive, G will be negative
H will be positive, S will be negative, G will be positive