Answer:
In a chemical reaction the total mass of all the substances taking part in the reaction remains the same. Also, the number of atoms in a reaction remains the same. ... The law of conservation of mass states that the total mass of substances taking part in a chemical reaction is conserved during the reaction.
Explanation:
The atoms and energy are conserved in a chemical reaction based on the law of conservation of energy and mass.
• Energy is involved in all kinds of the chemical reactions. It is used to dissociate bonds in the reactants, and the release of energy takes place when the formation of new products takes place.
• However, whether the chemical reaction releases or absorbs energy, there is no overall modification in the amount of energy at the time of the reaction, this is because of the law of conservation of energy, that is, energy cannot be created nor be destroyed.
• Energy may change its form, that is, from chemical energy to heat energy, however, a similar concentration of energy is maintained post the reaction as it was before.
• The total mass of all the substances, which take part in the chemical reaction stays the same. Also, in the reaction, the number of atoms stays similar. It is based on the law of the conservation of mass, that is, mass cannot be created or destroyed in a chemical reaction.
Thus, the atoms and energy remain conserved in a chemical reaction, which can be explained based on the law of conservation of energy and mass.
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