1. Rewrite the word equation as formula equation:

Aluminum + copper (II) chloride= aluminum chloride + copper

2. What is not equal in these chemical formula equations:
a.) magnesium + oxygen = magnesium oxide
B.) water = hydrogen + oxygen
c.)methanol +oxygen = carbon dioxide + water
D.) aluminum + copper (II) chloride= aluminum chloride + copper

2 answers

Al is +3 here

2 Al + 2CuCl2 --> 2AlCl3 + 3Cu
I do not understand what the second question means? Balance the equations or what?