QuestionsFinal - Name: Chemistry 008, Spring 2008 Cornell...

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Name: Chemistry 008, Spring 2008 Cornell University Dr. Pontrello Due 5/10/08 Learning Strategy Questions (Final Exam Review) Any time you write down a number, please include correct units when applicable. Clearly write any equation(s) that you are using to answer each question, and also clearly indicate the steps used to answer the questions, if appropriate. Part I: Reaction Enthalpy Changes. I.1 (8 points) Calculate Δ H o rxn for 5 C (s) + 6 H 2 (g) C 5 H 12 (l) using only the following information: Δ H o f CO 2 (g) is -393.5 kJ, Δ H o f H 2 O (g) is -241.8 kJ, and C 5 H 12 (l) + 8 O 2 (g) 5 CO 2 (g) + 6 H 2 O (g) Δ H o = -3505.8 kJ
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Name: 2 Part II: Heat Transfer. II.1 (12 points) A 589 J change in internal energy of a sample of solid CO 2 at -78.0 o C is caused by sublimination and raising the temperature to 55.0 o C under constant pressure. Calculate the mass of the sample of CO 2 , the change in enthalpy, and the work done. (for CO 2 : S gas = 0.850 J/g o C, q sublimination = 7.96 kJ/mol)
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Name: 3 Part III: Reaction Order. III.1 (8 points) The following data were collected for the decomposition of SO 2 Cl 2 . Verify the reaction is first order with respect to [SO 2 Cl 2 ] by plotting the given data on the graph below. Then calculate the slope. SO
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This note was uploaded on 03/29/2009 for the course CHEM 008 taught by Professor Jason during the Summer '08 term at Cornell University (Engineering School).

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QuestionsFinal - Name: Chemistry 008, Spring 2008 Cornell...

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