Calcium carbonate, a common material found in chalk and antacids, is shown decomposing in the balanced chemical equation below. Count the number of atoms on the reactant and product side of the equation. How many more atoms are in the products than the reactants?

In a laboratory experiment, a fermenting aqueous solution of glucose and yeast produces carbon dioxide gas and ethanol. the solution was heated by burning natural gas in a bunsen burner to distill the ethanol that formed in the flask. during the distillation, the ethanol evaporated and then condensed in the receiving flask. the flame of the burner was kept too close to the bottom of the flask and some of the glucose decomposed into a black carbon deposit on the inside of the flask. during this experiment the following changes occurred. which of these changes involved a physical change and not a chemical change? check all that apply. 1-condensation of ethanol 2-evaporation of ethanol 3- formation of carbon dioxide gas from glucose burning of natural gas 4-formation of ethanol from glucose by yeast 5-formation of a carbon deposit inside the flask

What is the mass of each element in a 324.8 sample of co2

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood