What is the maximum mass of pure copper that could be extracted from 7.5kg of chalcopyrite, a copper ore with the chemical formula CuFeS2 ?

Which best describes why nh4+ can form an ionic bond with ci-?

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.