Determine the Standard Enthalpy of Formation for N₂O Given the Following

question 56

Multiple Choice

Determine the standard enthalpy of formation for N₂O given the following information about the formation of NO₂ under standard conditions, and $\Delta$ H_f ^° (NO₂) = + 33.2 kJ/mol.
N₂O(g) +3 O₂(g) $\rightarrow$ 4 NO₂(g) $\Delta$ H_rxn = -31.4 kJ

• A)(+82.1 kJ/mol)
• B)(-82.1 kJ/mol)
• C)(+164.2 kJ/mol)
• D)(-164.2 kJ/mol)
• E)(+50.7 kJ/mol)

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