The declaration of Charlemagne as Holy Roman Emperor implied that ___. A]the Roman Empire was reborn
B]the Pope could choose political leaders

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

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

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.