Answer:
It’s true
Explanation:
If we account for all reactants and products in a chemical reaction, the total mass will be the same at any point in time in any closed system. ... The Law of Conservation of Mass holds true because naturally occurring elements are very stable at the conditions found on the surface of the Earth.
Over the course of a reaction the energy changes forms, in the beginning it may be used to produce a set of products, but in the end it can produce energy in the form of a combustion reaction.
