What are the two classes of compound considered as mineral ores of sulfur​

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

In apex! a liquid heated beyond a certain temperature becomes