calculate the volume of oxygen required for the complete combustion of 2.5 litres of propane at STP what is the volume of co2 formed
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The first step is write a balanced equation for the combustion of ethanol
C2H5OH + 3 O2 => 2 CO2 + 3 H2O
conversion factors:
One mole of any gas will, at STP, be have the volume 22.4 L. (memorize this)
3 moles of Oxygen per mole ethanol. (got this from the equation above)
Work:
2.5 mol ethanol * 3 (mol Oxygen/mol ethanol) => 7.5 mol Oxygen
7.5 mol Oxygen * 22.4 (L/mol oxygen) => 168 L
hope this helps,
Answer Is copied from quora
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