Question

2 Equation on chemistry that I have been struggling with, needed some assistance

Reactants amd such......

Answer 1

2. Copper (II) carbonate plus sulfuric acid produces copper (II) sulfate and carbon dioxide and water.

• We need the "II" after copper to specify what charge it is. It's +2 because carbonate is -2.

3. Calcium hydroxide plus carbon dioxide gas produces calcium carbonate and water.