How many liters of H2O gas are produced when 7.25 liters of C3H8 are
burned at STP?
C3H8 + 5O2 → 3CO2 + 4H2O

the answer for sodium is 0.186

the answer for rubidium is 0.251

plasma - state of matter made up of electrically charged particles

the correct answer would be b) volume versus temperature, because they are also directly proportional.

intermolecular forces are the forces between molecules or particles.

there are two kinds of van der waals forces: weak london dispersion forces and stronger dipole-dipole forces.

in molecule of water there are dipole-dipole forces between negatively charged oxygen from one molecule of water and positively charger hydrogen of another molecule of water.

hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (h), covalently bound to a highly electronegative atom such as flourine (f), oxygen (o) and nitrogen (n) atoms.