3. What affect does an increase in temperature have on each...

3. What affect does an increase in temperature have on each of the following systems in equilibrium? a. H$_2$(g) + I$_2$(g) $\rightleftharpoons$ 2 HI(g) ?H = -9.45 kJ/mole b. 2 SO$_3$(g) $\rightleftharpoons$ 2 SO$_2$(g) + O$_2$(g) ?H = 198 kJ/mole c. CO(g) + H$_2$(g) $\rightleftharpoons$ C(s) + H$_2$O(g) ?H = -131 kJ/mole 4. What is a complex ion? Give one example.

What would be the effect of increasing the temperature on each of the following systems at equilibrium? (a) $\mathrm{H}_{2}(\mathrm{~g})+\mathrm{I}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{HI}(\mathrm{g}) \quad \Delta H^{0}=-9.45 \mathrm{~kJ} / \mathrm{mol}$ (b) $\mathrm{PCl}_{5}(\mathrm{~g}) \rightleftharpoons \mathrm{PCl}_{3}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g}) \quad \Delta H^{0}=92.5 \mathrm{~kJ} / \mathrm{mol}$ (c) $2 \mathrm{SO}_{2}(\mathrm{~g})+\mathrm{O}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{SO}_{3}(\mathrm{~g}) \quad \Delta H^{0}=-198 \mathrm{~kJ} / \mathrm{mol}$ (d) $2 \mathrm{NOCl}(\mathrm{g}) \rightleftharpoons 2 \mathrm{NO}(\mathrm{g})+\mathrm{Cl}_{2}(\mathrm{~g}) \quad \Delta H^{0}=75 \mathrm{~kJ} / \mathrm{mol}$ (e) $\mathrm{C}(\mathrm{s})+\mathrm{H}_{2} \mathrm{O}(\mathrm{g}) \rightleftharpoons \mathrm{CO}(\mathrm{g})+\mathrm{H}_{2}(\mathrm{~g}) \Delta H^{0}=131 \mathrm{k} \mathrm{J} / \mathrm{mol}$

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