Question

Write the balanced equation for :
Methane burns in oxygen to form carbon dioxide and water.​

Answer 1

▪︎Statment:-

• Methane burns in oxygen to form carbon dioxide and water.

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▪︎Word Equation:-

Methane + oxygen ${\longrightarrow}$ carbon dioxide + Water

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▪︎Chemical Equation:-

• Formula of Methane is CH₄
• Formula of Oxygen is O₂
• Formula of carbon dioxide is CO₂
• Formula of water is H₂O

Hence, chemical equation is:

CH₄ + O₂ ${\longrightarrow}$ CO₂ + H₂O

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▪︎Balancing Chemical Equation:-

Firstly count the number of various atoms in reactants and products;

• Number of C atoms in reactants = 1
• Number of C atoms in products = 1
• Number of H atoms in reactants = 4
• Number of H atoms in products = 2
• Number of O atoms in reactants = 2
• Number of O atoms in products = 3

➣ We can see that here number of C atoms are equal in both reactants and products but number of H atoms and O atoms is not equal.

➥ To make the H atoms equal in both reactants and products, we multiply H₂O by 2 , so the equation is:

CH₄ + O₂ ${\longrightarrow}$ CO₂ + 2H₂O

➣ Now we can see that number of C and H atoms are equal in both reactants and products but number of O atoms is not equal.

➥ To make the O atoms equal in both reactors and products, we multiply O₂ by 2 , so the equation iz:

CH₄ + 2O₂ ${\longrightarrow}$ CO₂ + 2H₂O

➣ Now all atoms are equal in both reactants and products so, the equation is balanced.

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▪︎Answer:-

CH₄ + 2O₂ ${\longrightarrow}$ CO₂ + 2H₂O

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Answer 2

Answer:

Question: Methane (CH4) ( C H 4 ) burns in oxygen to produce carbon dioxide and water vapor. The balanced equation is: CH4+2O2→CO2+2H2O C H 4 + 2 O 2 → C O 2 + 2 H 2 O .