Noxious NO gas can form from N₂ and O₂ gases in automobile engines at high temperatures. If the value of the equilibrium constant, K_c, for this reaction at 25°C is 1.95 *10^-³¹, what is the value at 2000°C?
N₂(g) + O₂(g) $\leftrightarrows$ 2NO(g)
Thermodynamic Properties of Nitrogen Monoxide $\begin{array}{|c|c|c|}\hline\Delta G_{\mathrm{f}}^{\circ} & \Delta H_{\mathrm{f}}^{\circ} & \boldsymbol{S}^{\circ} \\\hline 87.6 \mathrm{~kJ} / \mathrm{mol} & 90.3 \mathrm{~kJ} / \mathrm{mol} & 211 \mathrm{~J} /(\mathrm{mol} \cdot \mathrm{K}) \\\hline\end{array}$

Question

Noxious NO gas can form from N₂ and O₂ gases in automobile engines at high temperatures. If the value of the equilibrium constant, K_c, for this reaction at 25°C is 1.95 *10^-³¹, what is the value at 2000°C?
N₂(g) + O₂(g)

\leftrightarrows

2NO(g)
Thermodynamic Properties of Nitrogen Monoxide

\begin{array}{|c|c|c|}\hline\Delta G_{\mathrm{f}}^{\circ} & \Delta H_{\mathrm{f}}^{\circ} & \boldsymbol{S}^{\circ} \\\hline 87.6 \mathrm{~kJ} / \mathrm{mol} & 90.3 \mathrm{~kJ} / \mathrm{mol} & 211 \mathrm{~J} /(\mathrm{mol} \cdot \mathrm{K}) \\\hline\end{array}

Quizplus · Accepted Answer

The Answer of Noxious NO gas can form from N₂ and O₂ gases in automobile engines at high temperatures. If the value of the equilibrium constant, K_c, for this reaction at 25°C is 1.95 *10^-³¹, what is the value at 2000°C? N₂(g) + O₂(g) $ \leftrightarrows $ 2NO(g) Thermodynamic Properties of Nitrogen Monoxide $\begin{array}{|c|c|c|} \hline\Delta G_{\mathrm{f}}^{\circ} & \Delta H_{\mathrm{f}}^{\circ} & \boldsymbol{S}^{\circ} \ \hline 87.6 \mathrm{~kJ} / \mathrm{mol} & 90.3 \mathrm{~kJ} / \mathrm{mol} & 211 \mathrm{~J} /(\mathrm{mol} \cdot \mathrm{K}) \ \hline \end{array}$

Noxious NO Gas Can Form from N2 and O2 Gases ⇆ \leftrightarrows ⇆

Noxious NO Gas Can Form from N₂ and O₂ Gases $\leftrightarrows$