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Which chemical equation correctly represents the reaction that takes place when nitrogen gas and hydrogen gas are formed as ammonia decomposes?
No)+H30) -- NH3(0)
2N) + 3H2(g) + 2NH3)
2NH30) - N20) + 2H3(a)
2NH3o) - No) + 3H219)

Answer :

Answer : The balanced decomposition reaction will be:

[tex]2NH_3(g)\rightarrow N_2(g)+3H_2(g)[/tex]

Explanation:

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

Decomposition reaction : It is defined as the reaction in which a large molecule or reactant decomposes to give two or more molecule or products.

As per question, the ammonia molecule decomposes to give nitrogen gas and hydrogen gas as a product.

The balanced decomposition reaction will be:

[tex]2NH_3(g)\rightarrow N_2(g)+3H_2(g)[/tex]

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