Question: pls help ASAP, multiple choice questions: no need to show full computation I am just checking my work The standard enthalpy of formation of FeO(s)

pls help ASAP, multiple choice questions: no need to show full computation I am just checking my work

The standard enthalpy of formation of FeO(s) is 269kJ/ mole while that of Fe2O3(s) is 1117kJ/mole. What is the enthalpy change for the transformation? FeO(s)+1/4O2(g)1/2Fe2O3(s) 827.5k 848k 1386kJ 289.5kJ

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