Tow formulas for compounds containing hydrogen and oxygen are h2o and h2o2. do these formulas represent the same compounds? explain

What type of reaction is zn + cucl2 → cu + zncl2?

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?