The formula for ethanol is CH3CH2OH. determine the mole ratio of H to C in this molecule and explain how you determined the ratio.

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.