How does a chemical equation model a chemical reaction

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

How do you convert 4 mmol of bromobenzene to ml?

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!