Interpretation: The fuel values of formamide and methyl formate are to be calculated.
Concept Introduction: The calorie content of substance is calculated by determining the energy released in the combustion of the one gram mass of substance.
To determine: The fuel values of formaldehyde and formic acid and the compound having higher fuel value out of it.
Answer to Problem 13.110QP
The fuel value of formamide is
Explanation of Solution
Given
The enthalpy of formation of formamide is
The enthalpy of formation of methyl formate is
The balanced chemical equation for the combustion of formamide is,
The enthalpy change of the combustion reaction of formamide is calculated by the formula,
Substitute the values of
The chemical equation for the combustion of methyl formate is,
The enthalpy change of the combustion reaction of palmitic acid is calculated by the formula,
Substitute the values of
The heat produced per gram in the combustion of formamide is calculated by dividing its enthalpy change of combustion by the molar mass.
The heat produced per gram in the combustion of methyl formate is calculated by dividing its enthalpy change of combustion by the molar mass.
The fuel value of formamide is
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