How many grams of Cu2S can be formed when 80.0 grams of Cu reacts with 25.0 grams of S?

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

Avariable that is not being directly tested during an experiment should be

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.