You may find bellow the answers and the balanced chemical reactions.
Explanation:
2) The chemical reaction is:
2 Na + I₂ → 2 NaI
Na - sodium
I - iodine
In this reaction there are 2 reactants and 1 product.
The reaction is balanced.
3) The chemical reaction is:
N₂ + O₂ → 2 N₂O
N - nitrogen
O - oxygen
In this reaction there are 2 reactants and 1 product.
The reaction is not balanced, the balanced reaction is:
2 N₂ + O₂ → 2 N₂O
4) The chemical reaction is:
N₂ + 3 H₂ → 2 NH₃
N - nitrogen
H - hydrogen
In this reaction there are 2 reactants and 1 product.
The reaction is balanced.
5) The chemical reaction is:
2 KI + Cl₂ → 2 KCl + I₂
K - potassium
I - iodine
Cl - chlorine
In this reaction there are 2 reactants and 2 products.
The reaction is balanced.
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balanced chemical reactions
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