Question

what coefficients used to balance chemical equation below? ___ Ag2O ----> ____ Ag + ___ O2

A 2,4,1
B 2,2,2
C 2,1,2
D 1,1,1

Answer 1

I believe the correct answer is C it would make the value of the left side equal to 4 and the value to the right side also equal to 4

Answer 2

The coefficients used to balance the chemical equation given in the question are 2, 4, 1 (Option A)

What is a chemical equation?

Chemical equations are representations of chemical reactions using symbols and formula of the reactants and products.

The reactants are located on the left side while the products are located on the right side.

Reactants —> Products

The balancing of chemical equations follows the law of conservation of matter which states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.

How to balance the equation

Ag₂O —> Ag + O₂

There are 2 atoms of O on the right side 1 on the left. It can be balance by writing 2 before Ag₂O as shown below

2Ag₂O —> Ag + O₂

There are 4 atoms of Ag on the left side and 1 atom on the right side. It can be balance by writing 4 before Ag as shown below

2Ag₂O —> 4Ag + O₂

Now, the equation is balanced.

Thus, the coefficients are: 2, 4, 1

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