Based on the notion of weak and strong acids and bases, which of the following three actions would you expect to produce the largest ( most negative) ΔHneut. the smallest ΔHneut?
1. HCl + NaOh--> Nacl+ NaOh
2. Nh4OH+ HC2H3O2 --> Nah4Ch3CO2 + H2O
3. NH4OH + HNO3 --> NH4NO3 + H2O