Question

What is the volume of oxygen required for complete combustion of 0.25 cm3 of methane at stp?

Answer 1

Hi..here is your answer..

Methane is represented by CH4 and a=have moleccular mass of 22.4
when methane is burned following reaction takes place
CH4 + 2O2:::::> CO2 + 2H20 '
In this reaction one mole of methane needs two moles of oxygen to be completely burned
for 0.25 moles we can calculate as;
=0.25*22.4*2

=11.2 Liters
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