S g -3-2 O 2 g - SO 3 g -2 x kcalSO 2 g -1-2 O 2 g - SO 3 g - y kcal- The heat of formation of SO 2 is-A- y-2 xB- 2 x-yC- x-yD- 2 x-y

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Heat of Formation

S g +3/2 O 2 ...

Question

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

$S O_{2} (g) + \frac{1}{2} O_{2} (g) \to S O_{3} (g) + y k c a l;$ The heat of formation of $S O_{2}$ is:

(y – 2x)

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(2x + y)

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(x + y)

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$\frac{2 x}{y}$

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Solution

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Similar questions

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}

In the reaction

$S + \frac{3}{2} O_{2} \to S O_{3} + 2 x k J$ and $S O_{2} + \frac{1}{2} O_{2} \to S O_{3} + y k J$

Heat of formation of $S O_{2}$ is

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}

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