Under standard conditions, which one of the following reactions has a negative value for A,S OC_H10(g) + O2(g) 8 CO2 (g) + 10 H20(g) OHBr(aq) + H2O(1) -> H30+ (aq) + Br- (aq) O2 A1+ (aq) + 3 Cu(s) 2 Al(s) + 3 Cu2+ (aq) OH2O(l) H2O(g) O2 H2(g) + O2(g) 2 H2O(g)