Fe 2 O 3 -3CO- 2Fe-3 CO 2 Fe O -CO- Fe- CO 2 rH-26kJ rH-16kJFind H of reaction Fe 2 O 3 -CO- 2FeO- CO 2 rH-

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Heat of Reaction

Fe 2 O 3 +3CO...

Question

${F e}_{2} O_{3} + 3 C O \to 2 F e + 3 {C O}_{2} F e O + C O \to F e + {C O}_{2} △ r_{H} = - 26 k J △ r_{H} = - 16 k J$
Find $△ H$ of reaction
${F e}_{2} O_{3} + C O \to 2 F e O + {C O}_{2} △ r_{H} = ?$

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{F e}_{2} O_{3} + 2 A l \to {A l}_{2} O_{3} + 2 F e

Δ H

85^{o} C

{F e}_{2} O_{3} (s) + 3 H_{2} ⟶ 2 F e (s) + 3 H_{2} O (l)

Δ H_{298}^{o} = - 33.29 k J / m o l

Substance	${F e}_{2} O_{3} (s)$	$F e (s)$	$H_{2} O (l)$	$H_{2} (g)$
$C_{P}^{o} (J / K m o l)$	$103.8$	$25.1$	$75.3$	$28.8$

2 F e (s) + \frac{3}{2} O_{2} (g) ⟶ {F e}_{2} O_{3} (s); Δ H = - 193.4 k J . . . (i)

M g (s) + \frac{1}{2} O_{2} (g) ⟶ M g O (s); Δ H = - 140.2 k J . . . . (i i)

Δ H

3 M g + {F e}_{2} O_{3} ⟶ 3 M g O + 2 F e

{F e}_{2} O_{3} + 3 C O ⟶ 2 F e + 3 C O_{2}

F e O (s) + {F e}_{2} O_{3} (s) ⟶ {F e}_{3} O_{4} (s)

2 F e (s) + O_{2} (g) ⟶ 2 F e O (s); Δ H^{o} = - 544 k J

4 F e (s) + 3 O_{2} (g) ⟶ 2 {F e}_{2} O_{; 3} (s); Δ H^{o} = - 1648.4 k J

{F e}_{3} O_{4} (s) ⟶ 3 F e (s) + 2 O_{2} (g); Δ H^{o} = + 1118.4 k J

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