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Antoine Lavoisier composed the law of conservation of mass, which states that matter can not be created nor destroyed. This means that atoms can be bonded together and separated to form new substances, but will never "disappear". And the reason for this... is just because it's how nature works. A really complicated answer will involve quantum mechanics.

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15y ago
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14y ago

During a chemical change, the form or the composition of the matter changes. The particles within the matter rearrange to form new substances, but they are not destroyed and new particles are not created. The number and type of particles remain the same. As a result, the total mass of the matter is the same before and after a physical or chemical change.

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16y ago

No new mass is created.

Sometimes, mass is 'lost' by substances becoming gases and escaping into the air. Other times mass is 'gained' when substances react with the air. But in a perfectly controlled environment where no matter is allowed to escape or enter into the reaction, the mass of the reactants should be exactly that of the products.

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10y ago

Mass, in chemical reactions, cannot be created nor destroyed. That means that the total mass of products must equal the total mass of the reactants in any chemical equation. However, in particle physics, it is known that energy can be converted to mass and mass into energy. This is represented by the equation E = mc2 . In these cases, it is said that mass-energy is conserved.

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12y ago

Because matter cannot be created nor destroyed

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10y ago

Yes, because the mass of products is equal to the mass of initial reactants.

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Q: Why is mass conserved in a chemical reaction?
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Related questions

What is always conserved in a chemical reaction?

mass


In an ordinary chemical reaction the mass of the product you?

In an ordinary chemical reaction, the mass of the products is equal to the mass of the reactants. Matter is conserved.


Is mass conserved in the chemical reaction of zinc and iodine?

Of course !


What happens to total amount of mass in chemical reaction?

The mass remains conserved... while it is in case of a nuclear reaction where the total mass changes... in chemical reaction there is no change in mass...


In a nuclear reaction WHAT does not have to be conserved?

While overall ENERGY has to be conserved, MASS does not. In a nuclear reaction mass can be converted into energy so the mass of the products may be less than the mass of the reactants. The difference in mass is converted into energy as Einstein's equation describes (E=MC squared). In a chemical reaction MASS has to be conserved.


What quantities are consumed in a chemical reaction?

Mass is conserved in a chemical reaction, but the coefficient attached to the reactants may be different than the products.


What is conserved when one balances a chemical equation?

Mass (Matter) and Energy is conserved during a Chemical equation


Why is mass conserved during the combution of methane?

Its conserved during the combustion of anything - the mass of the products is always equal to the mass of the materials that react.


In a balanced chemical reaction the total mass of the products always equals the total what?

In a balanced chemical reaction the total mass of the products always equals the total mass of reactants; this is the law of mass conservation.


What happens to the total mass of substances during a chemical reaction?

During a chemical change,chemical energy may be changed to other forms of energy.other forms of energy may also be changed to a chemical energy.


Does a battery weigh less after completely discharging?

No. A chemical reaction has taken place but mass is conserved.


explain how dalton atomic theory explains the fact that mass is conserved in chemical reaction?

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