Question

Find the volume of oxygenat s.T.P required for the complete combustion of 2 litres of carbon monoxideat s.T.P

Answer 1

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6g of carbon is 6/12 = 0.5 mol

So, 0.5C + 0.5O2(g) = 0.5CO2(g)

Change in Free Energy: ΔG(20C) = -197.2kJ (negative, so the reaction runs)

Change in Enthalpy: ΔH(20C) = -196.8kJ (negative, so the reaction is exothermic)

This reaction produces 22.05g = 11.21 litres of CO2



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