1. Radioactive decay chain of Uranium type of problem.
Lead-214 decaying into Bismuth-214, with given half-lives of 26.8 minutes and 19.9
minutes respectively, we want to accurately find the amount of Bismuth and Lead at
1: What were the visions of Reconstruction of President Abraham
Lincoln, the Radical Republicans, and President Andrew Johnson?
Since the slaves were freed at the end of the war Lincoln administration had no plan for the freed
After General Sherman