CH 301 - Nov. 28

CH 301 - Nov. 28 - Rosecrans, Drew Homework 9 Due: Nov 28...

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Rosecrans, Drew – Homework 9 – Due: Nov 28 2007, 11:00 pm – Inst: Brodbelt 1 This print-out should have 19 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. The due time is Central time. Brodbelt CH301 HW 9 Due November 28, 11:00 pm 001 (part 1 oF 1) 10 points A B Reaction progress Energy(kJ) 250 300 350 Graph I A B Reaction progress 250 300 350 Graph II Which graph corresponds to an exothermic process? 1. Graph I 2. Graph II 3. Cannot be determined with the inForma- tion given 4. Neither Graph I nor Graph II 5. Both Graph I and Graph II 002 (part 1 oF 1) 10 points The best defnition oF heat is 1. temperature. 2. potential energy. 3. the transFer oF energy. 4. kinetic energy. 5. vibrational energy. 003 (part 1 oF 1) 10 points How much heat is required to change the tem- perature oF two cups oF water (500 mL) From room temperature (25 C) to boiling? 1. 15.7 kJ 2. 78.5 kJ 3. 157 kJ 4. 1.57 kJ 5. 0.785 kJ 6. 7.85 kJ 004 (part 1 oF 1) 10 points In the manuFacture oF nitric acid by the oxi- dation oF ammonia, the frst product is nitric oxide. The nitric oxide is then oxidized to nitrogen dioxide: 2NO(g) + O 2 (g) -→ 2NO 2 (g) Calculate the standard reaction enthalpy For the reaction above (as written) using the Following data: N 2 (g) + O 2 (g) -→ 2NO(g) Δ H = 180 . 5 kJ N 2 (g) + 2O 2 (g) -→ 2NO 2 (g) Δ H = 66 . 4 kJ 1. - 690 . 72 kJ/mol rxn 2. - 975 . 0 kJ/mol rxn 3. - 128 . 2 kJ/mol rxn 4. - 520 . 2 kJ/mol rxn
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Rosecrans, Drew – Homework 9 – Due: Nov 28 2007, 11:00 pm – Inst: Brodbelt 2 5. - 100 . 3 kJ/mol rxn 6. - 114 . 1 kJ/mol rxn 7. - 252 . 4 kJ/mol rxn 005 (part 1 of 1) 10 points Burning 1 mol of methane in oxygen to form
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This note was uploaded on 09/17/2011 for the course CH 301 taught by Professor Staff during the Fall '07 term at Oklahoma State.

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CH 301 - Nov. 28 - Rosecrans, Drew Homework 9 Due: Nov 28...

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