${K_{sp}} = {S^2} \Rightarrow S = \sqrt {{K_{sp}}} $;
${K_{sp}} = [B{a^{2 + }}] \times [SO_4^{2 - }]$
$4 \times {10^{ - 10}} = [1 \times {10^{ - 4}}] \times [SO_4^{2 - }]$
$[SO_4^{2 - }] = \frac{{4 \times {{10}^{ - 10}}}}{{1 \times {{10}^{ - 4}}}} = 4 \times {10^{ - 6}}$.
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$4H_{(g)} \rightarrow 2H_{2(g)}$ is $-869.6\ kJ$
The dissociation energy of $H - H$ bond is ............ $\mathrm{kJ}$
$\mathrm{SO}_3(\mathrm{~g}) \rightleftharpoons \mathrm{SO}_2(\mathrm{~g})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g})$
is $\mathrm{K}_{\mathrm{C}}=4.9 \times 10^{-2}$. The value of $\mathrm{K}_{\mathrm{C}}$ for the reaction given below is
$2 \mathrm{SO}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{SO}_3(\mathrm{~g})$ is
