I Ss - 3-2 O2g - SO3g - 2x kcalii SO2g - 1-2 O2 g - SO3g - y kcalThe heat of formation of SO2 is-

The correct option is B (2x y) The thermochemical reactions are as given below: S(s) + 3/2O_2(g) = SO_3(g) + 2x #160; Kcal #160; #160; #160 ...

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Derivation of Kp and Kc

i Ss + 3/2 ...

Question

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

(2 x + y)

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(2 x - 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_{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}

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

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

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)} + 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 (s) + O_{2} (g) \to {S O}_{2} (g); Δ H^{\circ} = - 297 k J

2 {S O}_{2} (g) + O_{2} (g) \to 2 {S O}_{3} (g); Δ H^{\circ} = - 198 k J

S O_{3}

S (s) + \frac{3}{2} O_{2} (g) \to {S O}_{3} (g)

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