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4Fe + 3O2 -> 2Fe2O3

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11y ago
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6mo ago

The equation 2H2 + O2 -> 2H2O obeys the law of conservation of mass. This balanced chemical equation shows that the total mass of the reactants (hydrogen and oxygen) equals the total mass of the products (water).

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Q: Which equation obeys the law of conservation of mass?
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What do you do to determine whether or not a chemical equation demonstrates the law of conservation of mass?

To determine if a chemical equation follows the law of conservation of mass, count the number of each type of atom on both sides of the equation. If the number of atoms is the same on both sides, the equation obeys the law of conservation of mass. Balancing the equation, if necessary, ensures the law is followed.


What law represents a balanced chemical equation?

The law that represents a balanced chemical equation is the law of conservation of mass. This law states that mass is neither created nor destroyed in a chemical reaction, meaning that the total mass of the reactants must be equal to the total mass of the products in a balanced chemical equation.


What is the methane combustion equation that obeys the law of conservation of matter?

The balanced chemical equation for the combustion of methane (CH4) is: CH4 + 2O2 -> CO2 + 2H2O. This equation obeys the law of conservation of matter by showing that the number of each type of atom is the same on both the reactant and product sides.


Does Na H2O NAOHaq H2g obey the law of conservation of matter?

Yes, the equation obeys the law of conservation of matter. The number of atoms for each element is the same on both sides of the equation, indicating that no atoms are created or destroyed during the reaction.


What law is used to describe a balanced equation?

The law of conservation of mass is used to describe a balanced chemical equation, which states that matter cannot be created or destroyed in a chemical reaction.

Related questions

What is the equations is balanced?

A balanced equation is that equation which obeys the law of conservation of mass.(Added: also the law of conservation of (the kind of) elements should be obeyed).In such an equation the number of atoms for each elementin the reaction and the net or overall charge is same for the reactants and products.


What do you do to determine whether or not a chemical equation demonstrates the law of conservation of mass?

To determine if a chemical equation follows the law of conservation of mass, count the number of each type of atom on both sides of the equation. If the number of atoms is the same on both sides, the equation obeys the law of conservation of mass. Balancing the equation, if necessary, ensures the law is followed.


Why do reactions need to be balance?

To show that none of it was either created or destroyed; to also show that it was an equal equation on both sides , in which it obeys the law of conservation of mass.


A chemical equation must be balanced to satisfy the law of what?

A chemical equation must be balanced to satisfy the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction. Balancing the equation ensures that the same number of atoms of each element are present on both the reactant and product side.


What law represents a balanced chemical equation?

The law that represents a balanced chemical equation is the law of conservation of mass. This law states that mass is neither created nor destroyed in a chemical reaction, meaning that the total mass of the reactants must be equal to the total mass of the products in a balanced chemical equation.


What is the methane combustion equation that obeys the law of conservation of matter?

The balanced chemical equation for the combustion of methane (CH4) is: CH4 + 2O2 -> CO2 + 2H2O. This equation obeys the law of conservation of matter by showing that the number of each type of atom is the same on both the reactant and product sides.


Does 2Fe 3O 2Fe2O3 obey the law of conservation of mass?

Yes, the reaction 2Fe + 3O2 -> 2Fe2O3 obeys the law of conservation of mass because the total mass of the reactants (iron and oxygen) is equal to the total mass of the products (iron oxide).


Does Na H2O NAOHaq H2g obey the law of conservation of matter?

Yes, the equation obeys the law of conservation of matter. The number of atoms for each element is the same on both sides of the equation, indicating that no atoms are created or destroyed during the reaction.


What is the Chemical equation of law of conservation of mass?

Ca+O2>CaO2


How a balance chemical equation relates to the law of conservation of mass?

The mass of reactants is equal to the mass of products.


What are the characteristics of a Law of conservation?

If something obeys a Law of Conservation, the total amount of it is the same at the end of a process as at the start.


What law is used to describe a balanced equation?

The law of conservation of mass is used to describe a balanced chemical equation, which states that matter cannot be created or destroyed in a chemical reaction.