For which process is the sign of S negative in the system?
A. 2 H2(g) + O2(g) 2 H2O(g)
B. 2 H2O(l) + 2 K(s) 2 K+(aq) +2 OH(aq) + H2(g)
C. H2O(s) H2O(g)
D. H2O(l) H2O(g)
Answer:A
For which process is the sign of S negative in the system?
A. 2 H2(g) + O2(g) 2 H2O(g) B. 2 H2O(l) + 2 K(s) 2 K+(aq) +2 OH(aq) + H2(g) C. H2O(s) H2O(g) D. H2O(l) H2O(g)