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Unformatted text preview: 2. the change in internal energy of the process. 3. the change in free energy of the process. 4. the change in enthalpy of the process. 5. the change in entropy of the process. 1. (CHAP 17) Given ∆ = -371.1 kJ/mol for SO 3 and ∆ = -300.3 kJ/mol for SO 2 , what is ∆ G° for the following reaction? 2SO 2 (g) + O 2 (g) → 2SO 3 (g). 2. (CHAP 17) For the reaction, PCl 5 (g) PCl 3 (g) + Cl 2 (g), k H° = +92.5 kJ and S° = +182 J/K at 298°K. Assuming iH° and u S° do not change with temperature, (a) calculate G° at 550°K, (b) is the reaction spontaneous or not? explain your choice. 3. (CHAP 17) The equilibrium constant for the reaction PCl 5 (g) PCl 3 (g) + Cl 2 (g) is K p = 2.2 x 10-7 at 25°C. Calculate G° for this reaction ....
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This note was uploaded on 06/02/2011 for the course CHEM 112 taught by Professor Chen during the Spring '09 term at South Carolina.
- Spring '09