What happens within clouds and/or within the region between the cloud and earth that allows for the various forms of precipitation?

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

What is the empirical formula of vanadium 1 oxide given that 20.38 grams of vandium combines with oxygen to form 23.58 grams of the oxide

What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air