Heat liberating reactions are:

Heat liberated =1138938 kcal.

For calculations of heat output in roasted products and gases one requires specific heat values. All specific heat values are obtained from the references given in the reference section.

Using the thermochemical data following values are calculated;

Sensible heat in

Sensible heat in

Total Sensible heat in product +gases is

Heat input = Heat output + Losses

Substituting the values and solving for T we get

 Answer

Similar calculation can be done for  excess air and  excess air
Temperature when
Temperature when
Excess air decreases the temperature