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10. Given the following thermochemical data: 2 P(s) + 3 Cl2 (g) - → 2 PCI, (1) AH=-636 kJ/mol Cl, (g) compute the enthalpy of formation of PCl, (s), that is the enthalpy change for the reaction PCI, (1) PCI, (s) + AH= 138 kJ/mol P (s) + 5/2 Cl, (g) PCI, (s) AH=? kJ/mol

10. Given the following thermochemical data: 2 P(s) + 3 Cl2 (g) - → 2 PCI, (1) AH=-636 kJ/mol Cl, (g) compute the enthalpy of formation of PCl, (s), that is the enthalpy change for the reaction PCI, (1) PCI, (s) + AH= 138 kJ/mol P (s) + 5/2 Cl, (g) PCI, (s) AH=? kJ/mol

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.33QE: The enthalpy change for the following reaction is 393.5 kJ. C(s,graphite)+O2(g)CO2(g) (a) Is energy...
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please mind the state of matters asked, and their subscript.

10. Given the following thermochemical data: 2 P(s) 3 CL, (g) → 2 PCI, (1) AH=-636 kJ/mol + 3 PCI, (1) → PCI, (s) + Cl, (g) AH= 138 kJ/mol compute the enthalpy of formation of PCl, (s), that is the enthalpy change for the reaction P (s) + 5/2 Cl, (g) PCI, (s) AH=? kJ/mol
Transcribed Image Text:10. Given the following thermochemical data: 2 P(s) 3 CL, (g) → 2 PCI, (1) AH=-636 kJ/mol + 3 PCI, (1) → PCI, (s) + Cl, (g) AH= 138 kJ/mol compute the enthalpy of formation of PCl, (s), that is the enthalpy change for the reaction P (s) + 5/2 Cl, (g) PCI, (s) AH=? kJ/mol
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