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27 Oct 2021
Given information
The enthalpy of formation of palmitic acid is 
.
The enthalpy of formation of sucrose is 
.
Step-by-step explanation
Step 1.
The chemical equation for the combustion of sucrose is,
The given reaction contains twelve carbon, 
hydrogen and
oxygen atoms on reactant side and one carbon, two hydrogen and three oxygen atoms on the product side. Therefore, the given reaction is balanced by multiplying oxygen by 
,CO2 by , and H2O by
.
The chemical equation for the combustion of palmitic acid is,
The given reaction contains 
carbon, 
hydrogen and 
oxygen atoms on reactant side and one carbon, two hydrogen and three oxygen atoms on the product side. Therefore, the given reaction is balanced by multiplying 
by
,
by and 
by .
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