What is always conserved in a chemical reaction? (3 points) mass is always conserved in a reaction. energy is always conserved in a reaction. mass and energy are both conserved. nothing is always conserved in a reaction.

lol idk man i guess u gotta ask bill nye the science guy

answerleaving cheese out to get moldy;

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.