August 2021 0 37 Report
Вычислите, какое количество теплоты выделится при восстановлении Fe2O3 металлическим алюминием, если было получено 335,1 г железа? Fe2O3 + 2Al = 2Fe + Al2O3 + Qp
Qобр(Al2O3) = 1670 кДж/моль
Qобр(Fe2O3) = 820 кДж/моль
Qp= Qобр(Al2O3) - Qобр(Fe2O3) = 1670 – 820 = 850 кДж
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