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Yes, the atoms on either side of the arrow have to be the same. Sometimes to achieve this you must balance the equation with the amount of atoms.

2Cu(s)+1/2O2(g)--->2CuO(s)

Where the numbers in front of the atoms tell you how many there are.

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What happens to the reactants in a chemical reaction?

Put casually, they react with each other to form products. e.g. Reactants A & B form products C & D A + B = C + D


What happens to the reactants when a chemical change occurs?

During a chemical change, the reactants undergo a chemical reaction to form new substances called products. The reactants are transformed into products with different chemical properties through the breaking and forming of chemical bonds. The reactant atoms are rearranged to form the products.


In a chemical reaction the number of atoms of reactants and products must?

I know that this probably isn't the answer that you were looking for but its a start the answer to this question is one of four different answers choose the one that you think is right. A) The same as the number of atoms in the reactants B) Less than the number of atoms in the reactants C) Greater than the number of atoms in the reactants D) The same as the number of molecules in the reactants


What structures break in reactants?

In a chemical reaction, bonds between atoms are broken in reactant molecules. These bonds can be covalent or ionic bonds, which hold the atoms together in the reactant molecules. When these bonds are broken, new bonds can form between atoms, leading to the formation of products.


Ask us anythingCounting the atoms in each substance in the reactants and products is a step in which one of the following?

Counting the atoms in each substance in the reactants and products is a step in balancing a chemical equation. This process ensures that the same number of atoms of each element are present on both sides of the equation to uphold the law of conservation of mass.

Related Questions

Does the number of iron atoms in the reactants equal the number of iron atoms in the products?

no


In a chemical balancing equation what is to the left and right?

In a chemical equation, the reactants are on the left side, while the products are on the right side. The number and type of atoms in the reactants must be equal to the number and type of atoms in the products for the equation to be balanced.


What occurs to the atoms of reactants in a chemical reaction?

they rearrange to form products


How many atoms of hydrogen are present in the present in the reactants and in the products?

2


What happends to the atoms in the reactants in a chemical reaction?

In a chemical reaction, the bonds between the atoms of the reactants break, and new bonds are formed to make the products. The atoms do not change, they are just rearranged.


What must is not true about the reactants and products of a reaction after the decomposition of a simple binary compound?

After the decomposition of a simple binary compound, the total mass of reactants should be equal to the total mass of products (law of conservation of mass). Additionally, the number of atoms of each element in the reactants should be equal to the number of atoms in the products. Lastly, the products formed should be different substances from the original reactants.


What happens to the reactants in a chemical reaction?

Put casually, they react with each other to form products. e.g. Reactants A & B form products C & D A + B = C + D


What is the formula for chemical equations is balanced?

The number of reactants atoms must be equal to the number of products atoms.


How do you calculate a balanced chemical equation?

The number of reactants atoms must be equal to the number of products atoms.


What happens to the reactants when a chemical change occurs?

During a chemical change, the reactants undergo a chemical reaction to form new substances called products. The reactants are transformed into products with different chemical properties through the breaking and forming of chemical bonds. The reactant atoms are rearranged to form the products.


How do chemical reactions change compounds?

Reactants become products by transfer of atoms.


In a chemical reaction the number of atoms of reactants and products must?

I know that this probably isn't the answer that you were looking for but its a start the answer to this question is one of four different answers choose the one that you think is right. A) The same as the number of atoms in the reactants B) Less than the number of atoms in the reactants C) Greater than the number of atoms in the reactants D) The same as the number of molecules in the reactants