For the reaction H 2 (g)+1/2 O 2 (g) H 2 O(l) Delta*G = - 237kJ / m * o * l AH = -286 kJ/ mol. Which statement is true? None of the other statements are true . The reaction is spontaneous . The entropy change is positive . More work can be done than just the thermal energy liberated by the reaction . Three of the other statements are true .