Cl 2 (aq) + 2 KBr (aq) → 2 KCl (aq) + Br 2 (I)

What is the chemical formula of the following compound

What are the percent by mass of copper in penny lab

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light