which of these formulas could be only an empirical formula, only a molecular formula, either a molecular or an empirical formula?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2