Oxidation of gaseous ClF by F2 yields liquid ClF3, an
Chapter 5, Problem 67P(choose chapter or problem)
6.67 Oxidation of gaseous ClF by \(\mathrm{F}_{2}\) yields liquid \(\mathrm{ClF}_{3}\), an important fluorinating agent. Use the following thermochemical equations to calculate H°rxn for the production of \(\mathrm{ClF}_{3}\):
\(2 \mathrm{ClF}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{Cl}_{2} \mathrm{O}(\mathrm{g})+\mathrm{OF}_{2}(\mathrm{~g}) \quad \Delta \mathrm{H}^{\circ}=167.5 \mathrm{~kJ}\)
\(2\mathrm{~F}_{2}(\mathrm{~g})+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{OF}_{2}(\mathrm{~g}) \quad \Delta \mathrm{H}^{\circ}=-43.5 \mathrm{~kJ}\)
\(2 \mathrm{CIF}_{3}(\mathrm{I})+2 \mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{Cl}_{2} \mathrm{O}(\mathrm{g})+3 \mathrm{OF}_{2}(\mathrm{~g}) \quad \Delta \mathrm{H}^{\circ}=394.1 \mathrm{~kJ}\)
Equation Transcription:
F2
ClF3
H°rxn
2CIF(g) + O2(g) CI2O(g) + OF2(g) H° = 167.5 kJ
2F2(g) + O2(g) 2OF2(g) H° = -43.5 kJ
2CIF3(I) + 2O2(g) CI2O(g) + 3OF2(g) H° = 394.1 kJ
Text Transcription:
F_2
ClF_3
Delta H°_rxn
2CIF(g) + O_2(g) rightarrow CI_2O(g) + OF_2(g) Delta H° = 167.5 kJ
2F_2(g) + O_2(g) rightarrow 2OF_2(g) Delta H° = -43.5 kJ
2CIF_3(I) + 2O2(g) rightarrow CI_2O(g) + 3OF_2(g) Delta H° = 394.1 kJ
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