How many liters of propane(C3H8) are needed to react with 15.2 liters of oxygen at STP in order to produce water and carbon dioxide?

50 pts plz what is the physical state of matter of baking soda.

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2