Chemical Equilibrium

For a given exothermic reaction $K_{p}$ and $K'_{p}$ are the equilibrium constants at temperatures $T_{1}$ and $T_{2}$ respectively (T2.>T1). Assuming that heat of reaction is constant in temperatures range between…

The equilibrium constants of the following are: $\begin{matrix} N_{2}+3H_{2}\rightleftharpoons\,2\mathrm{NH}_{3} & K_{1} \\ N_{2}+O_{2}\rightleftharpoons\,2\mathrm{NO} & K_{2} \\…

The following equilibrium are given: $$ \begin{array}{ll} \mathrm{N}_2+3 \mathrm{H}_2 \rightleftharpoons 2 \mathrm{NH}_3 & \mathrm{~K}_1 \\ \mathrm{~N}_2+\mathrm{O}_2 \rightleftharpoons 2 \mathrm{NO} & \mathrm{K}_2 \\…

For the reversible reaction:N2g+3H2g⇌2NH3g+heatThe equilibrium shifts in forward direction:

3O2(g)⇌2O3(g)for the above reaction at 298 K, Kc is found to be 3.0$\times$10-59. If the concentration of O2 at equilibrium is 0.040 M then concentration of O3 in M is

Given below are certain reactions. Identify the reaction for which $K_p \neq K_c$ :

Higher yield of NO in $\mathrm{N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NO}(\mathrm{g})$ can be obtained at [ $\Delta \mathrm{H}$ of the reaction $=+180.7 \mathrm{~kJ} \mathrm{~mol}^{-1}$…

For the reaction $\mathrm{A}(\mathrm{g}) \rightleftharpoons 2 \mathrm{~B}(\mathrm{~g})$, the backward reaction rate constant is higher than the forward reaction rate constant by a factor of 2500 , at 1000 K . [Given :…

Consider the following reaction in a sealed vessel at equilibrium with concentrations of $\mathrm{N}_2=3.0 \times 10^{-3} \mathrm{M}, \mathrm{O}_2=4.2 \times 10^{-3} \mathrm{M}$ and $\mathrm{NO}=2.8 \times 10^{-3}…

In which of the following equilibria, $\mathrm{K}_{\mathrm{p}}$ and $\mathrm{K}_{\mathrm{c}}$ are NOT equal?

For the reaction $2 \mathrm{~A} \rightleftharpoons \mathrm{B}+\mathrm{C}, \mathrm{K}_{\mathrm{C}}=4 \times 10^{-3}$. At a given time, the composition of reaction mixture is: $[\mathrm{A}]=[\mathrm{B}]=[\mathrm{C}]=2…

For the reaction in equilibrium $\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_3(\mathrm{~g}), \Delta \mathrm{H}=-\mathrm{Q}$ Reaction is favoured in forward direction by: