What mass of carbon dioxide, co2(g), in g, is produced when 5.0 g of calcium carbonate, caco3 (s), reacts completely with hydrochloric acid, HCl (aq)? CaCO3 (s) + 2 HCI (aq) → CaCl2 (aq) + H2O (l) + CO2 (g)

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

How would you reduce the volume of gas