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Olin [163]
4 years ago
5

In two or more complete sentences explain how to balance the chemical equation,

Chemistry
2 answers:
Ghella [55]4 years ago
8 0

Answer:

simbizi

Explanation:

Evgen [1.6K]4 years ago
8 0

Answer:

the equation CH4 + O2 ? CO2 + H2O is not balanced because there are four hydrogen atoms in the reactant side of the equation and only two on the product side. for balancing this equation we add 2 withO2 in reactants and add 2 with H2O in products.

Explanation:hope i helped

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In which substance does chlorine have an oxidation number of +5?
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If 4 miles of sodium react, how many moles of chlorine gas will react? 2Na + Cl2 ---> 2NaCl
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3 years ago
Please help me! I don't understand this at all. All the info is in the picture. Thank you so much!!!
kykrilka [37]

Answer:

H₂S + Cl₂ —> S + 2HCl

Explanation:

? + Cl₂ —> S + 2HCl

To balance the equation above, we must recognise what atoms are present in the products.

The products contains S, H and Cl.

Thus, S, H and Cl must also be present in the reactants.

Considering the equation given above, we can see clearly that H and S is missing in the reactants.

H and S together as a compound is expressed as H₂S.

Now, we shall input H₂S into the equation to obtain the complete equation. This is illustrated below:

? + Cl₂ —> S + 2HCl

H₂S + Cl₂ —> S + 2HCl

Next, we shall verify to see if the equation is balanced.

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1 atom of S exist on both sides of the equation.

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