As per the reaction N2 - 2 O2- 2NO2g- - H - 66 KJ the molar heat of formation of NO2 is

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Heat of Formation

As per the re...

Question

As per the reaction $N_{2} + 2 O_{2} \to 2 N O_{2} (g)$ , $Δ H = 66 K J$ the molar heat of formation of $N O_{2}$ is

- 66

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+ 66

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33

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- 132

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N_{2} (g) + O_{2} (g) ⟶ 2 N O_{2}; Δ H = 66 k J

N O_{2}

N_{2}

20_{2}

⟶

{2 N O}_{2}

{Δ H}_{r}

{N O}_{2}

2 {N O}_{2} (g) \to N_{2} O_{4} (g)

Δ H_{f}

{N O}_{2} (g)

k J / m o l e

N_{2} O_{4} (g)

k J / m o l e

C (g r a p h i t e) + \frac{1}{2} O_{2} \to C O Δ H_{1} = - 110.5 k J / m o l

C O + \frac{1}{2} O_{2} \to C O_{2} Δ H = - 283.2 k J / m o l

k J / m o l

C (g r a p h i t e) + O_{2} \to C O_{2} Δ H = ?

C

+ \frac{1}{2} O_{2} \to C O; Δ H = - 110.5

C O + \frac{1}{2} O_{2} \to C O_{2}; Δ H = - 283.2

C (graphite) + O_{2} \to C O_{2}

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