Chemical Reactions: A chemical reaction is a process where the substances 8unbdergo a change in their chemical composition. The substances that enter the reaction are called reactants that are then ...

Chemical reactions make new chemicals. Atoms are rearranged during a chemical reaction, but the number of atoms does not change. Evidence of chemical reactions includes a large temperature change, ...

Closed-vessel microwave synthesis is a highly effective technique for synthetic processes today. Since the technology is not restricted to a solvent boiling point, it can be applied to a much greater ...