The chemical equation after it is balanced as C₃H₈ + 5O₂ ⇒ 3CO₂ + 4H₂O.
Thus, the correct option is A.
<h3>What is balanced equation?</h3>
Balanced equation is defined as a chemical equation where the left and right sides have the same mass of each element.
The chemical formula of a material included in the reaction equation contains a number known as the reaction coefficient. For balancing reagents and products, the reaction coefficient is helpful.
Variables can be used to balance chemical reactions. How to equalize the reaction equation in steps:
1. assigns a coefficient to each substance in the reaction's equation, such as a, b, or c.
2. Create an equation based on the number of atoms' similarity, where the number of atoms equals the coefficient plus the index of the reactant and the product.
3. Decide on the material whose chemical formula is the most complicated and set its coefficient to 1.
When hydrocarbons and oxygen react to form gas, CO2 and H2O are the byproducts (water vapor). steps are possible
balancing the final O atoms, C, and H
Reaction :
C₃H₈ + O₂ ⇒ CO₂ + H₂O
1. Gives a coefficient
- C₃H₈ + aO₂ ⇒ bCO₂ + cH₂O.
- C ⇒ left = 3 and right = b ⇒b = 3
- H ⇒ left = 8, right = 2c ⇒2c=8 ⇒ c = 4
- O ⇒ left = 2a, right = 2b+c ⇒ 2a=2b+c⇒2a=2.3+4⇒2a=10⇒a=5
The final chemical equation :
C₃H₈ + 5O₂ ⇒ 3CO₂ + 4H₂O
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