Question

At 25ºC, when 1.00 g of sulfur is burned at constant pressure in excess oxygen to give SO2(g), 9.28 kJ of heat is liberated. What is the enthalpy of formation of SO2(g)?
A) 9.28 kJ/mol
B) -594 kJ/mol
C) 298 kJ/mol
D) -9.28 kJ/mol
E) -298 kJ/mol

Answer

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