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Grade: 12th pass

                        

The heat of formation of CO and CO2 are -26.4kcal and -94kcal. What will be the heat of combustion of carbon monoxide?

6 years ago

Answers : (1)

Naveen Kumar
askIITians Faculty
60 Points
							the reaction in its balenced form can be written as:
CO...+(1/2)O2.......... .>CO2...+heat(X)
the heat of formation of pure elements in its natural form is assumed to be zero. So heat of formation of oxygen=0
Now applying the energy conservation,
ECO+0=ECO2+....X
from here we can have the value of X=(94-26)kcal
6 years ago
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