Write the balanced equation for the combustion of Carbon Usi

Write the balanced equation for the combustion of Carbon. Using this please solve for the heating value of the combustion of Carbon. The answer is 32,778 kJ/kg. Using the change in enthalpy along with the heat of formation.

Solution

>> As, Combustion Equation of Carbon is :-

C + O₂ => CO₂

>> Now, for 1 mole of carbon, or 12 g of Carbon,

CO₂ produced is : 1 mole or 44 g

>> So, for 1g of Carbon, I.e. no of mole of Carbon= 1/12

>> Amount of CO₂ produced is 1/12 mole....

>> Now, as Heat of formation, h_f ,. for Carbon, C = for Oxygen= 0

and, h_f, for CO₂ = - 393,520 KJ/mol

>> As,,for Combustion of Carbon, heat of Combustion = heat of formation of (products - reactants)

= h_f(CO₂ - (C + O₂))

As, no of moles = 1/12

=> Heat of Combustion of Carbon = 393520*(1/12) = 32778 KJ/Kg. ...... ANSWER.....