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How many kg of iron (Fe) is needed to produce -9.232x104 kJ heat: 4 Fe(s) +...

How many kg of iron (Fe) is needed to produce -9.232x104 kJ heat: 4 Fe(s) + 3 O2(g) --> 2 Fe2O3(s) DHrxn = -1.65 x 103 kJ

A: 10.43 kg

B: 12.50 kg

C: 25.00 kg

D: 2341 kg

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