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Using the data in the table determine the standard Gibbs free energy and equilibrium constant for...

Using the data in the table determine the standard Gibbs free energy and equilibrium constant for the combustion of urea. (The reaction  products are CO2, NO and H2O).  

Table 4 Standard Gibbs Energies of

Formation at 298 K

Substance

DfGq/(kJ mol-1)

Gases

Carbon dioxide, CO2

Methane, CH4

Nitrogen oxide, NO

Water, H2O

-394.36

-50.72

+86.55

-228.57

Liquids

Ethanol, CH3CH2OH

Hydrogen peroxide, H2O2

Water, H2O

-174.78

-120.35

-237.13

Solids

Glucose C6H12O6

Glycine, CH2(NH2)COOH

Sucrose, C12H22O11

Urea, CO(NH2)2

-917.2

-532.9

-1543

-197.33

Solutes in aqueous solution

Carbon dioxide, CO2

Carbonic acid, H2CO3

Phosphoric acid, H3PO4

-385.98

-623.08

-1018.7

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