Assume that coal can be represented by the chemical formula c135h96o9ns. If 4. 00 tons of coal is burned, what mass of nitrogen in the form of nox gases, is produced by this combustion?.

A fuel and an oxidant, typically atmospheric oxygen, engage in a high-temperature exothermic redox chemical reaction known as combustion, or burning, which results in the production of oxidized, frequently gaseous products in a mixture known as smoke.

First calculate the molar mass of the compound

as Carbon =135*12.01=1621.35

Hydrogen=96*1.008=96.76

oxygen=9*16=144

Nitrogen=1*14.01=14.01

sulphur=1x32.07=32.07

now total mass of the compound after adding above all=1908.19

now to calculate the nitogen % ;

14.01x100/1908.19= 0.734%

now, as we know one mole of coal provides one mole of NO

find the total no of moles of coal in 4.0 ton coal

4.0 ton =3.62 x 10^6gram

3.62 x 10^6 / 1908.19=1897.08mol of coal in 4.0 ton

now, as we know one mole of coal provides one mole of NO

so 1897.08mol of coal provides 1897.08mole of NO

now molar mass of NO =30g/mol

so 1897.08*30g/mo= 56912.4g=56.9124 kg

Hence,56.9124 kg mass of nitrogen in the form of nox gases, is produced by this combustion.

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