Hopefully this will help Im pretty sure this is the answer
Answer:
yes they are broken down into smaller units
During most processes, energy is exchanged between the system and the surroundings. If the system loses a certain amount of energy, that same amount of energy is gained by the surroundings. ... for an exothermic process is negative because the system is losing heat.
<span>No need to balance the equation... it's already balanced
MgBr2 + Cl2 -> MgCl2 + Br2 </span>
