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Use the Following Information to Determine the Standard Enthalpy of Formation

Question 76

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 ∘\circ (H(g) ) = 217.9 kJ.mol-1
Δ\Delta Hf ∘\circ (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 )

Correct Answer:

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