Apiece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. the reaction formed iron (ii) chloride and hydrogen gas. how many moles of iron (ii) chloride were formed?

1) this is the structure in the cell nucleus that houses a cell's genetic information

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat