a 25 ml sample of .4 M NH3(aq) is titrated with .4 M HCl(aq). what is the pH at equivalence point? Kb of NH3=1.8E-5

1) this is the structure in the cell nucleus that houses a cell's genetic information

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?

Who determined the nature of chemical bonds?