The equilibrium constant for the reaction PCI5(g) → PCI3 (g) + Cl₂(g) is 1.00 x 106 at 637 K and 9.10 x10² at 800 K. Use the van't Hoff equation to determine the standard enthalpy of reaction. Units need to be in kJ/mol. Report values to 3 sig figs. Use gas constant value of 8.3145 J/molk.

Chemistry: The Molecular Science
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Author:John W. Moore, Conrad L. Stanitski
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Chapter4: Energy And Chemical Reactions
Section4.7: Where Does The Energy Come From?
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The equilibrium constant for the reaction PCI5(g) → PCI3 (g) + Cl₂(g) is 1.00 x 106 at 637 K and 9.10 x10² at
800 K. Use the van't Hoff equation to determine the standard enthalpy of reaction.
Units need to be in kJ/mol. Report values to 3 sig figs. Use gas constant value of 8.3145 J/molk.
Transcribed Image Text:The equilibrium constant for the reaction PCI5(g) → PCI3 (g) + Cl₂(g) is 1.00 x 106 at 637 K and 9.10 x10² at 800 K. Use the van't Hoff equation to determine the standard enthalpy of reaction. Units need to be in kJ/mol. Report values to 3 sig figs. Use gas constant value of 8.3145 J/molk.
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