Solution of task 83 of Chemistry Book Shimanovich 2003

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83. Calculate the thermal effect of the reduction reaction of iron (II) oxide by hydrogen, starting from the following thermochemical equations:
FeO (k) + CO (r) = Fe (k) + CO2 (r); H = -13.18 kJ.
CO (r) + SO2 (r) = CO2 (r); H = -283.0 kJ.
H2 (g) + SO2 (g) = H2O (g); H = -241.83 kJ.

Answer: + 27.99 kJ.

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