Ahydrate of cocl2 with a mass of 6.00g is heated strongly. after cooling, the mass of the anhydrate is 3.27 grams. what is the percent water in the hydrate?

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

How is the atomic number of a nucleus changed by alpha decay