5. Calculate the percentage of water of crystallisation in crystals of: 5.1. Zinc sulphate (ZnSO4.7H,0)​

What’s the percent by mass of carbon in c10h14n2

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

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.