Question

Omar heated a small piece of calcium carbonate. It gave off carbon dioxide gas, solid calcium oxide was left behind.write equation.

Answer 1

CaCO
`_(3s)` → CO
`_(2g)` + CaO
`_(s)`

Step-by-step explanation:

Given reactants:

Omar heated small piece of calcium carbonate

Product;

it gave off carbon dioxide gas and solid calcium oxide;

Problem,

Equation of the reaction;

Solution:

Calcium carbonate → Carbon dioxide + Calcium oxide

CaCO
`_(3s)` → CO
`_(2g)` + CaO
`_(s)`