Discover Questions

You roll two standard number cubes. What is the probability that the sum is odd, given than one of the number cubes shows a 4? Since the Secretary of The Treasury is receiving a new BOND, can he Sign a BOND as a witness? Explain why C0 = [H+]∞ for the solvolysis reaction you carried out.? I am trying to help my son with chemistry hw. How do we convert grams of ammonium chloride to atoms of hydrogen? The half-life of barium-139 is 86 minutes. If you start with 100 grams of barium-139, how much will be left at the end of 4 half-lives?