Calculate heat of formation of cane sugar from following data- H 2 g- 1 2 O 2 g- H 2 Ol- H-68-4kcal Cg- O 2 g- C O 2 g- H-94-4kcal C 12 H 22 O 11 -12 O 2 g- 12C O 2 g-11 H 2 Og- H-1350-0kcal

Heat of formation of cane sugar = 11 × heat of formation of water + 12 × formation of CO_2 heat of combustion of cane sugarHeat of formation of ...

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Heat of Formation

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Question

Calculate heat of formation of cane sugar from following data:
$H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (l); Δ H = - 68.4 k c a l$
$C (g) + O_{2} (g) ⟶ C O_{2} (g); Δ H = - 94.4 k c a l$
$C_{12} H_{22} O_{11} + 12 O_{2} (g) ⟶ 12 C O_{2} (g) + 11 H_{2} O (g); Δ H = - 1350.0 k c a l$

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{C H}_{3} C O O H (l) + 2 O_{2} (g) \to 2 {C O}_{2} + 2 H_{2} O (l) . . . . (i) (Δ H = - 2079 k c a l)

C (s) + O_{2} (g) \to {C O}_{2} (g); (Δ H = - 94.48 k c a l) . . . (i i)

H_{2} (g) + \frac{1}{2} O_{2} (g) \to H_{2} O (l); (Δ H = - 68.4 k c a l) . . . . (i i i)

{C H}_{3} O H (l)

{C H}_{3} O H (l) + \frac{3}{2} O_{2} (g) ⟶ C O_{2} (g) + 2 H_{2} O (l); Δ H = - 726 k J

C (s) + O_{2} (g) ⟶ C O_{2} (g); Δ H = - 394 k J

H_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ H_{2} O (l); Δ H = - 286 k J

C H_{3} C O O H (l)

25^{\circ} C

C H_{3} C O O H (l) + 2 O_{2} (g) \to 2 C O_{2} + 2 H_{2} O (l); Δ H = - 208.34

C (s) + O_{2} (g) \to C O_{2} (g); Δ H = - 94.05

H_{2} (g) + \frac{1}{2} O_{2} \to H_{2} O (l); Δ H = - 68.32

C (S) + O_{2} (g) \to C O_{2} (g)

Δ H = - 94.0 K c a l

H_{2} (g) + \frac{1}{2} O_{2} (g) \to H_{2} O (l)

Δ H = - 68.0 K c a l

C H_{3} C O O H (l) + 2 O_{2} (g) \to 2 C O_{2} (g) + 2 H_{2} O (l)

Δ H = - 210.0 K c a l

C H_{3} O H (l)

C H_{3} O H (l) + \frac{3}{2} O_{2} (g) \to C O_{2} (g) + 2 H_{2} O (l); △_{r} H^{⊖} = - 726 k J

C (s) + O_{2} (g) \to C O_{2} (g), Δ H = - 394 k J

H_{2} (g) + \frac{1}{2} O_{2} (g) \to H_{2} O (l), Δ H = - 286 k J

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