Exam II KEY - W10

Exam II KEY - W10 - Name Student ID Number Lab TA Name and...

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Name_____________________________________ _ Student ID Number_________________________ __ Lab, TA Name, and Time Exam II Instructions: ___________________ _____ Winter 2010 – Enderle CHEMISTRY 2A CLOSED BOOK EXAM U.C. Davis is an Honor Institution ! No books, notes, or additional scrap paper are permitted. All information required is contained on the exam. Place all work in the space provided. If you require additional space, use the back of the exam. (1) Read each question carefully. Circle Part I answers on front page. You will lose all 42 points if you do not circle your multiple choice answers on the front page and 10 points if you do not write your TA’s name in the space above. (2) There is no partial credit for the problems in Part I. (3) The last two pages contains a periodic table and some useful information. You may remove these pages for easy access. (4) Graded exams will be returned in lab sections next week. (5) If you finish early, RECHECK YOUR ANSWERS! Possible Points Points 1–14. 42 points 15. 04 points 16–17. 11 points 18–19. 13 points 20. 14 points 21–22. 12 points 23. 15 points Total Score (111) Multiple Choice (circle one) 1. A B C D E 2. A B C D E 3. A B C D E 4. A B C D E 5. A B C D E 6. A B C D E 7. A B C D E 8. A B C D E 9. A B C D E 10. A B C D E 11. A B C D E 12. A B C D E 13. A B C D E 14. A B C D E
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Exam II Page 2 of 10 2 Part I: Multiple Choice, Concepts & Short Calculations Circle the correct answer and enter your response on the cover – No partial credit 1. What is the wavelength of light, in nm, with an energy content of 550 kJ/mol? A. 0.217 nm B. 217 nm C. 0.419 nm D. 157 nm E. 6579 nm 2. What is the minimum number of nodes for any f orbital? A. 0 B. 1 C. 2 D. 3 E. infinity 3. Which of the following orbitals have an l value of 2? A. s B. p C. d D. f E. g 4. Which of the following represents a neutralization reaction of an acid with a base? A. 2 H 2 ( g ) + O 2 ( g ) → 2 H 2 O( l ) B. NH 4 OH( aq ) + HCl( aq ) → NH 4 Cl( aq ) + H 2 O( l ) C. 2 NaOH( aq ) + CuCl 2 ( aq ) → 2 NaCl( aq ) + Cu(OH) 2 ( s ) D. HBr( aq ) + AgNO 3 ( aq ) → HNO 3 ( aq ) + AgBr( s ) E. 2 H 2 O 2 ( aq ) → 2 H 2 O( l ) + O 2 ( g ) 5. If equal volumes of a strong acid and strong base are added, what solution results? A. A neutral solution B. An acidic solution C. A basic solution 6. A 1.0 g sample of O 2 (g) occupies a fixed-volume container at a pressure of 0.50 atm. If the temperature is increased, then A. the density of the O 2 (g) will decrease. B.
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This note was uploaded on 04/25/2011 for the course CHEM 2A taught by Professor Guo during the Spring '08 term at UC Davis.

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Exam II KEY - W10 - Name Student ID Number Lab TA Name and...

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