10.0g of calcium carbonate was heated. the mass of calcium oxide left was 5.6g. calculate the mass of carbon dioxide produced in the reaction

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

Air can be considered a mixture. which statement does not explain why?