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Match the Values with the Correct Enthalpy Change

Question 139

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Match the values with the correct enthalpy change.
 Enthalpy  Value ΔHf(C(g))1300 kJmol1ΔHf(C(s),( graphite ))+717 kJmol1ΔHc(C2H2( g))+31 kJmol1ΔHf(Br2( g))0\begin{array}{ll}\text { Enthalpy }&\text { Value }\\\hline \Delta H_{\mathrm{f}}^{\circ}(\mathrm{C}(\mathrm{g})) & -1300 \mathrm{~kJ} \cdot \mathrm{mol}^{-1} \\\Delta H_{\mathrm{f}}^{\circ}(\mathrm{C}(\mathrm{s}),(\text { graphite })) & +717 \mathrm{~kJ} \cdot \mathrm{mol}^{-1} \\\Delta H_{\mathrm{c}}^{\circ}\left(\mathrm{C}_{2} \mathrm{H}_{2}(\mathrm{~g})\right) & +31 \mathrm{~kJ} \cdot \mathrm{mol}^{-1} \\\Delta H_{\mathrm{f}}^{\circ}\left(\mathrm{Br}_{2}(\mathrm{~g})\right) & 0\end{array}

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