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Use the Following Information to Determine the Standard Enthalpy of Formation

Question 40

Multiple Choice

Use the following information to determine the standard enthalpy of formation of NH3(g) .
N-H bond enthalpy = 390 kJ.mol-1
Δ\Delta Hf ο\omicron (H(g) ) = 217.9 kJ.mol-1
Δ\Delta Hf ο\omicron (N(g) ) = 472.6 kJ.mol-1


A) -44 kJ.mol-1
B) -691 kJ.mol-1
C) -516 kJ.mol-1
D) -83 kJ.mol-1
E) -1170 kJ.mol-1

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