Solve the example Reaction Stoichiometry Example Combustion involves reacting a

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Reaction Stoichiometry Example Combustion involves reacting a species with O2. Complete combustion of a C & H containing species (i.e. a hydrocarbon) produces only CO2 and H2O. Incomplete combustion occurs when there is a limited amount of O2, and can result in the formation of CO2, CO, and H2O. Determine the mass of the resulting carbon dioxide and carbon monoxide when 100.0 g of CH4 (methane) reacts completely and incompletely. CH4(g) + 2 O2(g) CO2(g) + 2 H2O(I) (complete combustion) 4 CH4(g) + 7 O2(g) -) 2 CO(g) + 2 CO2(g) + 8 H20(I) (incomplete combustion)

Explanation / Answer

from the equation we know that one mole Of methane reacts with 2 moles of oxygen to produce 1 mole of CO2 and 2 moles of H2O.so 100 grams of methane contains 100/16 moles {no of moles =weight/molecular weight} which react with 2*100/16 moles of oxygen to give 100/16 moles of CO2 ie.,(100/16)*44=275 grams of CO2.similarly, 100 grams of methane react to give 87.5 grams of CO and 87.5grams of CO2%u2026. Hope it helps

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