The following reaction is performed at 298 , | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The standard free energy change for the reaction is given by $\Delta G^{\circ} = -RT \ln K_p$.For the reaction $2 NO_{(g)} + O_{2(g)} \rightleftha

Vedclass · Accepted Answer

$0.5 [2 	imes 86600 - R(298) \ln (1.6 	imes 10^{12})]$

Vedclass · Answer

(B) The standard free energy change for the reaction is given by $\Delta G^{\circ} = -RT \ln K_p$.For the reaction $2 NO_{(g)} + O_{2(g)} ightleftharpoons 2 NO_{2(g)}$,the standard free energy change is $\Delta G^{\circ} = 2 \Delta G^{\circ}_{f}(NO_2) - [2 \Delta G^{\circ}_{f}(NO) + \Delta G^{\circ}_{f}(O_2)]$.Since $\Delta G^{\circ}_{f}(O_2) = 0$,we have $\Delta G^{\circ} = 2 \Delta G^{\circ}_{f}(NO_2) - 2 \Delta G^{\circ}_{f}(NO)$.Given $\Delta G^{\circ}_{f}(NO) = 86.6 \, kJ/mol = 86600 \, J/mol$ and $T = 298 \, K$,we substitute these into the equation:$-R(298) \ln (1.6 	imes 10^{12}) = 2 \Delta G^{\circ}_{f}(NO_2) - 2(86600)$.Rearranging for $\Delta G^{\circ}_{f}(NO_2)$:$2 \Delta G^{\circ}_{f}(NO_2) = 2(86600) - R(298) \ln (1.6 	imes 10^{12})$.$\Delta G^{\circ}_{f}(NO_2) = 0.5 [2 	imes 86600 - R(298) \ln (1.6 	imes 10^{12})]$.

The following reaction is performed at $298 \, K$.
$2 NO_{(g)} + O_{2(g)} \rightleftharpoons 2 NO_{2(g)}$
The standard free energy of formation of $NO_{(g)}$ is $86.6 \, kJ/mol$ at $298 \, K$. What is the standard free energy of formation of $NO_{2(g)}$ at $298 \, K$? $(K_p = 1.6 \times 10^{12})$

Similar Questions

$A$ plot of $ln \ K$ against $\frac{1}{T}$ (abscissa) is expected to be a straight line with an intercept on the ordinate axis equal to:

For the equilibrium reaction $A + B \rightleftharpoons C + D$,if we start with equal concentrations of $A$ and $B$,at equilibrium,the concentration of $C$ is $2$ times that of $A$. Find the value of $K_c$.

$2$ moles of $N_2$ are mixed with $6$ moles of $H_2$ in a closed vessel of $1 \ L$ capacity. If $50\%$ of $N_2$ is converted into $NH_3$ at equilibrium,find the value of $K_c$ for the reaction: $N_{2(g)} + 3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$

Vedclass Test Series

Exam Paper Generator

Online Exam Module

The following reaction is performed at $298 \, K$.$2 NO_{(g)} + O_{2(g)} \rightleftharpoons 2 NO_{2(g)}$The standard free energy of formation of $NO_{(g)}$ is $86.6 \, kJ/mol$ at $298 \, K$. What is the standard free energy of formation of $NO_{2(g)}$ at $298 \, K$? $(K_p = 1.6 \times 10^{12})$