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Question 18 Solid urea, (NH2)2CO, burns to give CO2, N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol. Write the balanced combustion equation. Record fractions as ratios (e.g. 1/2) if needed. Include aggregation states in your answer. (NH2)2CO + 3/2O2 ? CO2 + N2 + 2H2O Calculate the heat generated per mole of H2O formed to 0.1 kJ. -316.1 kJ the tolerance is +/-2% Using this heat of combustion and the appropriate thermodynamic data, determine the heat of formation of urea to 0.1 kJ. -332.9 kJ

          Question 18
Solid urea, (NH2)2CO, burns to give CO2, N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol.

Write the balanced combustion equation. Record fractions as ratios (e.g. 1/2) if needed. Include aggregation states in your answer.
(NH2)2CO + 3/2O2 ? CO2 + N2 + 2H2O

Calculate the heat generated per mole of H2O formed to 0.1 kJ.
-316.1 kJ
the tolerance is +/-2%

Using this heat of combustion and the appropriate thermodynamic data, determine the heat of formation of urea to 0.1 kJ.
-332.9 kJ

$Question 18 Solid urea, (NH2)2CO, burns to give CO2, N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol. Write the balanced combustion equation. Record fractions as ratios (e.g. 1/2) if needed. Include aggregation states in your answer. (NH2)2CO + 3/2O2 ? CO2 + N2 + 2H2O Calculate the heat generated per mole of H2O formed to 0.1 kJ. -316.1 kJ the tolerance is +/-2% Using this heat of combustion and the appropriate thermodynamic data, determine the heat of formation of urea to 0.1 kJ. -332.9 kJ$

Added by Rafael A.

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