Comment on the thermodynamic stability of NO g- given 1-2 N 2g-1-2 O 2g- NO g - -r H-90 kJ mol -1NO g-1-2 O 2g- NO 2g- -r H-74 kJ mol -1

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Le Chatelier's Principle for Del N Greater Than Zero

Comment on th...

Question

Comment on the thermodynamic stability of NO₍_g_), given

N₂₍_g₎+ O₂₍_g₎→ NO₍_g₎ ; Δ_rH^θ = 90 kJ mol^–1

NO₍_g₎ +O₂₍_g₎→ NO₂₍_g₎: Δ_rH^θ= –74 kJ mol^–1

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\frac{1}{2} N_{2} (g) + \frac{1}{2} O_{2} (g) \to N O (g); △_{r} H^{⊖} = 90 K J M o l^{- 1}

N O (g) + \frac{1}{2} O_{2} (g) \to N O_{2} (g) : △_{r} H^{⊖} = - 74 K J M o l^{- 1}

N_{2} O_{4}

\frac{1}{2} N_{2} (g) + \frac{1}{2} O_{2} (g) \to N O (g)

Δ G^{0}

N O (g) + \frac{1}{2} O_{2} (g) \to \frac{1}{2} N_{2} (g)

Δ G^{0}

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

Δ G^{0}

N_{2} O_{4} (g)

\frac{1}{2} N_{2} (g) + \frac{1}{2} O_{2} (g) ⟶ N O (g)

{Δ G} = 86.6 k J

N O (g) + \frac{1}{2} O_{2} (g) ⟶ N O_{2} (g)

{Δ G} = - 34.82 k J

{2 N O}_{2} (g) ⟶ N_{2} O_{4} (g)

{Δ G} = - 5.77 k J

K_{1}

K_{2}

N_{2} (g) + O_{2} (g) ⇌ 2 N O (g)

N O (g) ⇌ \frac{1}{2} N_{2} (g) + \frac{1}{2} O_{2} (g)

\frac{1}{2} N_{2} (g) + \frac{1}{2} O_{2} (g) ⇌ N O (g)

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