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Glycine, C2H5O2N, Is Important for Biological Energy \rarr 8CO2(g)+ 10H2O(l)+ 2N2(g) Δ\Delta

Question 87

Multiple Choice

Glycine, C2H5O2N, is important for biological energy.The combustion reaction of glycine is given by the equation 4C2H5O2N(s) + 9O2(g) \rarr 8CO2(g) + 10H2O(l) + 2N2(g) Δ\Deltarxn = -3857 kJ/mol
Given that Δ\Deltaf[CO2(g) ] = -393.5 kJ/mol and Δ\Deltaf[H2O(l) ] = -285.8 kJ/mol, calculate the enthalpy of formation of glycine.


A) -3,178 kJ/mol
B) -964 kJ/mol
C) -537.2 kJ/mol
D) -268.2 kJ/mol
E) 2,149 kJ/mol

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