Question

C3 H8=H2O2+CO2 chemically balanced in chemistry ​

Answer 1

$C_{3} H_{8} +5O_{2}$→$3CO_{2} +4H_{2} O$

The given reaction is of complete combustion of propane in presence of oxygen.

Molecular formula of propane gas= $C_{3} H_{8}$

Combustion is a oxidation of a organic molecule into carbon dioxide and water .

Here oxygen serves as a oxidizing agent and oxidizes propane into carbo dioxide and water molecule.

The unbalanced reaction can be given as:

$C_{3} H_{8} +O_{2}$ →$CO_{2} +H_{2} O$

Here, 3 carbons are there in propane.

so, 3 carbon dioxide molecules are formed to balance the reaction.

So, when 3 carbon dioxides are formed 3 oxygen molecules also needed.

Due to presence of 8 hydrogen in propane 4 water molecules forms , which contains 4 O means 2 oxygen molecules .

There for, total 5 molecules of oxygen are needed to balance the equation.

The final balanced equation can be given as..

$C_{3} H_{8} +5O_{2}$→$3CO_{2} +4H_{2} O$

Learn more about combustion here...

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