From the following reactions- heat of formation of SO-2-g- is S-g- 3-2O-2-g- SO-3-g-2x-kcal SO-2-g- 1-2O-2-g- SO-3-g-y-kcalx - y2x - yx - y2x - y

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Heat of Formation

From the foll...

Question

From the following reactions, heat of formation of $S O_{2 (g)}$ is
$S_{(g)} + \frac{3}{2} O_{2 (g)} \to S O_{3 (g)} + 2 x k c a l$
$S O_{2 (g)} + \frac{1}{2} O_{2 (g)} \to S O_{3 (g)} + y k c a l$

x + y

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x - y

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2x + y

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2x - y

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Solution

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S O_{2 (g)}

S_{(g)} + \frac{3}{2} O_{2 (g)} \to S O_{3 (g)} + 2 x k c a l

S O_{2 (g)} + \frac{1}{2} O_{2 (g)} \to S O_{3 (g)} + y k c a l

S (s) + \frac{3}{2} O_{2} (g) \to S O_{3} (g) + 2 x k c a l

S O_{2} (g) + \frac{1}{2} O_{2} (g) \to S O_{3} (g) + y k c a l

S O_{2}

S_{s} + \frac{3}{2} O_{2} (g) ⟶ S O_{3 (g)} + 2 x k C a l

S O_{2 (g)} + \frac{1}{2} O_{2 (g)} ⟶ S O_{3 (g)} + y k C a l

S O_{2}

S_{(s)} + O_{2 (g)} \to S O_{2 (g)}; Δ H = - 298.2 k J

S O_{2 (g)} + \frac{1}{2} O_{2 (g)} \to S O_{3 (g)}; Δ H = - 98.7 k J

S O_{3 (g)} + H_{2} O_{(l)} \to H_{2} S O_{4 (l)}; Δ H = - 130.2 k J

H_{2 (g)} + \frac{1}{2} O_{2 (g)} \to H_{2} O_{(l)}; Δ H = - 287.3 k J

H_{2} S O_{4}

S O_{2} (g) + \frac{1}{2} o_{2} (g) ⇌ S O_{3} (g)

K_{p} = K_{C} (R T)^{x}

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