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For the reaction below, ΔrH° = -3307.9 kJ mol-1. What is the standard enthalpy of formation of FeS2(s)?
4 FeS2(s) + 11 O2(g) ? 2 Fe2O3(s) + 8 SO2(g)
Give your answer in kilojoules per mole (kJ mol-1), accurate to one decimal place. Do not include units in your answer.
Data
SubstanceStandard enthalpy of formation (in kJ mol-1)
Fe2O3(s), -833.1
SO2(g), -297.0
The standard enthalpy of formation of FeS2(s) is ΔfH° = kJ mol-1.
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