If 1.546 g of copper was used by a student at the start of the lab, and 0.732 g of copper were obtained at the end of the series of reactions, what was the percent recovery? Briefly explain how you found your
answer.

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?