Problem: Calculate the enthalpy change (ΔH°rxn ) for the following reaction at 25°C. The value of ΔH°f in kJ/mol is given below.  2 Fe2O3(s) + 6 CO(g) → 4 Fe(s) + 6 CO2(g) A. −1380 kJ B. −49.6 kJ C. 541 kJ D. −3350 kJ E. −24.8 kJ

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Calculate the enthalpy change (ΔH°rxn ) for the following reaction at 25°C. The value of ΔH°f in kJ/mol is given below. 

2 Fe2O3(s) + 6 CO(g) → 4 Fe(s) + 6 CO2(g)

A. −1380 kJ

B. −49.6 kJ

C. 541 kJ

D. −3350 kJ

E. −24.8 kJ

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