Soru:
5. 2Fe2O3(k) + 3C(k) - 4Fe(k) + 3C02(g) AH=+110 kkal gCk CO(g) —— C(k) +0200 CO2(9) —— CO(g) + 2 0210 O2(g) bl AH=+26 kkal bu 1
5. 2Fe2O3(k) + 3C(k) - 4Fe(k) + 3C02(g) AH=+110 kkal gCk CO(g) —— C(k) +0200 CO2(9) —— CO(g) + 2 0210 O2(g) bl AH=+26 kkal bu 1 O2(g) AH= +68 kkal 2 tepkimeleri ve standart entalpileri bilindiğine göre, Fe2O3(k) + 3CO(g) → 2Fe(k) + 3CO2(g) 9 tepkimesinin standart entalpisi kaç kkal dir? A) +16 B) +8 C) -6 D) -8 E) -16