Only answer correctly, will give brainliest as soon as i can. when calcium carbonate is heated, it breaks down into calcium oxide and carbon dioxide. caco3 (s) → cao (s) + co2 (g) question: if you heat 25 g caco3, approximately what volume of carbon dioxide will you make? assume the conditions of temperature and pressure are such that 1 mole of any gas will occupy 22.4 l. 1.0 l 5.6 l 22.4 l 11.2 l