If Cs-O2g-CO2g- H-rand COg-12O2g-CO2g- H-sthen the heat of formation of CO is-

The correct option is B r s The first reaction is formation reaction of CO_2 #160;= gt; Δ H_f(CO_2) = Δ H_1 = r Hence, using second reacti ...

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Third Law of Thermodynamics

If Cs+O2g→C...

Question

If $C (s) + O_{2} (g) \to {C O}_{2} (g); Δ H = r$
and $C O (g) + \frac{1}{2} O_{2} (g) \to {C O}_{2} (g); Δ H = s$
then the heat of formation of $C O$ is:

r + s

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r - s

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s - r

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r \times s

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Solution

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Similar questions

C (s) + O_{2} (g) ⟶ {C O}_{2} (g); Δ H = r

C O (g) + \frac{1}{2} O_{2} ⟶ {C O}_{2} (g); Δ H = s

C O

C (s) + O_{2} (g) \to C O_{2} (g); Δ H = - 94 k c a l

2 C O (g) + O_{2} (g) \to 2 C O_{2} (g); Δ H = - 135.2 k c a l

C O (g)

C_{(s)} + O_{2 (g)} \to C O_{2 (g)};

Δ H = - 394 k J

2 H_{2 (g)} + O_{2 (g)} \to 2 H_{2} O_{(l)};

Δ H = - 568 k J

C H_{4 (g)} + 2 O_{2 (g)} \to C O_{2 (g)} + 2 H_{2} O_{(l)};

Δ H = - 394 k J

C H_{4}

C (s) + O_{2} (g) \to {C O}_{2} (g); Δ H = - 395 k J

S (s) + O_{2} (g) \to {S O}_{2} (g); Δ H = - 295 k J

C S_{2} (l) + 3 O_{2} (g) \to {C O}_{2} (g) + 2 {S O}_{2} (g); Δ H = - 1110 k J

C S_{2} (l)

C (s) + O_{2} (g) \to C O_{2} (g); Δ H = - 94.3

C O (g) + 1 / 2 O_{2} (g) \to C O_{2} (g); Δ H = - 67.4

O_{2} (g) \to 2 O (g); Δ H = 117.4

C O (g) \to C (g) + O (g); Δ H = 230.6

Δ H

C (s)

\to

C (g)

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