Midterm 1 #2

Midterm 1 #2 - N a me 1 (Page 1 of 9) Exam Last Name _...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Last Name _____________________________ First Name _________________ Lab Sec. # ____; TA : _________________________; Lab day/time : ___________ Rolf Unterleitner Fall 2010 CHEMISTRY 2A Section 2 EXAM 1 Instructions: CLOSED BOOK EXAM ! 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. A scientific calculator may be used (if it is a programmable calculator, its memory must be cleared before the exam). The exam has 9 pages. (1) Read each question carefully. (2) For Parts I and II , there is no partial credit given and only answers marked on this cover page will be graded . (3) At the end of page 8 there is some useful information. Page 9 has a periodic table. (4) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Earned Points # 1–9 (4 points each) / 36 # 10-15 (6 points each) / 36 # 16 (10 points) / 10 # 17 (9 points) / 09 # 18 (9 points) / 09 Total Score (100) / 100 (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 1-9 total points: 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 15. a b c d e 10-15 total points:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Name (Page 2 of 9) Exam 1 Part I: Multiple Choice, Concepts (4 points each) Select the best answer and enter your choice on the cover sheet – No partial credit 1. All water is found to be 88.8% oxygen by mass and all hydrogen peroxide (H 2 O 2 ) is found to be 94.1 % oxygen by mass. . This is an example of the Law: a. of Conservation of Mass b. of Multiple Proportions c. of Definite Proportions d. E = mc 2 e. none of the above 2. The atomic mass of chlorine is very close to 35.5. Which of the following is INCORRECT : a. Chlorine occurs with a variable number of neutrons.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

Midterm 1 #2 - N a me 1 (Page 1 of 9) Exam Last Name _...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online