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Unformatted text preview: of the following reaction: PCl 3 (g) + 3HCl(g) 3Cl 2 (g) + PH 3 (g) Compound PCl 3 (g) HCl(g) PH 3 (g) H f (kJ/mol)-288.07-92.30 5.40 Bond Enthalpies (kJ/mol) C-H 413 C-Cl 328 Cl-Cl 242 H-Cl 431 Hesss Law C 2 H 4 (g) + 6F 2 (g) 2CF 4 (g) + 4HF(g) H = ? H 2 (g) + F 2 (g) 2HF(g) H = -537kJ C(s) + 2F 2 (g) CF 4 (g) H = -680kJ 2C(s) + 2H 2(g) C 2 H 4(g) H = +52.3kJ Gibbs Free Energy (G) G = n G f,products- n G f,reactants G = G + RTlnQ G = -RTlnK eq G = H - T S G< Spontaneous G> Nonspontaneous G= At equilibrium H S-+ Spontaneous at all temperatures +-Non-spontaneous at all temperatures--Spontaneous at low temperatures + + Spontaneous at high temperatures...
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This note was uploaded on 08/28/2011 for the course CHEMISTRY 100 taught by Professor Haha during the Spring '11 term at SUNY Stony Brook.
- Spring '11