Find the volume of air for combustion of 10 liters of methane, the volume fraction of oxygen in the air is 21%.
| September 11, 2021 | education
The combustion of methane can be written as an equation:
CH4 + 2O2 = CO2 + 2H2O.
Let’s calculate the amount of oxygen spent on methane combustion:
10 / 22.4 = x / 2 x 22.4.
V (O2) = 10 * 44.8 / 22.4 = 20 liters.
The amount of air that is needed to burn methane:
V (air) = V (O2) / W (O2) = 20 / 0.21 = 95.2 liters.
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