Kemija - 2021. ljeto, 21.

A. ${\mathrm{\Delta }}_{\mathrm{f}}{H}^{\circ }({\mathrm{Z}\mathrm{n}}^{2+},\mathrm{a}\mathrm{q})=-153,9\mathrm{k}\mathrm{J}{\mathrm{m}\mathrm{o}\mathrm{l}}^{-1};{\mathrm{\Delta }}_{\mathrm{f}}{H}^{\circ }({\mathrm{C}\mathrm{u}}^{2+},\mathrm{a}\mathrm{q})=64,77\mathrm{k}\mathrm{J}{\mathrm{m}\mathrm{o}\mathrm{l}}^{-1}\backslash Delta\_\{\backslash mathrm\{f\}\}\; H^\{\backslash circ\}\backslash left(\backslash mathrm\{Zn\}^\{2+\},\; \backslash mathrm\{aq\}\backslash right)=-153,9\; \backslash mathrm\{~kJ\}\; \backslash mathrm\{~mol\}^\{-1\}\; ;\; \backslash Delta\_\{\backslash mathrm\{f\}\}\; H^\{\backslash circ\}\backslash left(\backslash mathrm\{Cu\}^\{2+\},\; \backslash mathrm\{aq\}\backslash right)=64,77\; \backslash mathrm\{~kJ\}\; \backslash mathrm\{~mol\}^\{-1\}$

B. ${\mathrm{\Delta }}_{\mathrm{f}}{H}^{\circ }({\mathrm{Z}\mathrm{n}}^{2+},\mathrm{a}\mathrm{q})=153,9\mathrm{k}\mathrm{J}{\mathrm{m}\mathrm{o}\mathrm{l}}^{-1};{\mathrm{\Delta }}_{\mathrm{f}}{H}^{\circ }({\mathrm{C}\mathrm{u}}^{2+},\mathrm{a}\mathrm{q})=-64,77\mathrm{k}\mathrm{J}{\mathrm{m}\mathrm{o}\mathrm{l}}^{-1}\backslash Delta\_\{\backslash mathrm\{f\}\}\; H^\{\backslash circ\}\backslash left(\backslash mathrm\{Zn\}^\{2+\},\; \backslash mathrm\{aq\}\backslash right)=153,9\; \backslash mathrm\{~kJ\}\; \backslash mathrm\{~mol\}^\{-1\}\; ;\; \backslash Delta\_\{\backslash mathrm\{f\}\}\; H^\{\backslash circ\}\backslash left(\backslash mathrm\{Cu\}^\{2+\},\; \backslash mathrm\{aq\}\backslash right)=-64,77\; \backslash mathrm\{~kJ\}\; \backslash mathrm\{~mol\}^\{-1\}$

C. ${\mathrm{\Delta }}_{\mathrm{f}}{H}^{\circ }({\mathrm{Z}\mathrm{n}}^{2+},\mathrm{a}\mathrm{q})=-153,9\mathrm{k}\mathrm{J}{\mathrm{m}\mathrm{o}\mathrm{l}}^{-1};{\mathrm{\Delta }}_{\mathrm{f}}{H}^{\circ }({\mathrm{C}\mathrm{u}}^{2+},\mathrm{a}\mathrm{q})=-64,77\mathrm{k}\mathrm{J}{\mathrm{m}\mathrm{o}\mathrm{l}}^{-1}\backslash Delta\_\{\backslash mathrm\{f\}\}\; H^\{\backslash circ\}\backslash left(\backslash mathrm\{Zn\}^\{2+\},\; \backslash mathrm\{aq\}\backslash right)=-153,9\; \backslash mathrm\{~kJ\}\; \backslash mathrm\{~mol\}^\{-1\}\; ;\; \backslash Delta\_\{\backslash mathrm\{f\}\}\; H^\{\backslash circ\}\backslash left(\backslash mathrm\{Cu\}^\{2+\},\; \backslash mathrm\{aq\}\backslash right)=-64,77\; \backslash mathrm\{~kJ\}\; \backslash mathrm\{~mol\}^\{-1\}$

D. ${\mathrm{\Delta }}_{\mathrm{f}}{H}^{\circ }({\mathrm{Z}\mathrm{n}}^{2+},\mathrm{a}\mathrm{q})=153,9\mathrm{k}\mathrm{J}{\mathrm{m}\mathrm{o}\mathrm{l}}^{-1};{\mathrm{\Delta }}_{\mathrm{f}}{H}^{\circ }({\mathrm{C}\mathrm{u}}^{2+},\mathrm{a}\mathrm{q})=64,77\mathrm{k}\mathrm{J}{\mathrm{m}\mathrm{o}\mathrm{l}}^{-1}\backslash Delta\_\{\backslash mathrm\{f\}\}\; H^\{\backslash circ\}\backslash left(\backslash mathrm\{Zn\}^\{2+\},\; \backslash mathrm\{aq\}\backslash right)=153,9\; \backslash mathrm\{~kJ\}\; \backslash mathrm\{~mol\}^\{-1\}\; ;\; \backslash Delta\_\{\backslash mathrm\{f\}\}\; H^\{\backslash circ\}\backslash left(\backslash mathrm\{Cu\}^\{2+\},\; \backslash mathrm\{aq\}\backslash right)=64,77\; \backslash mathrm\{~kJ\}\; \backslash mathrm\{~mol\}^\{-1\}$