163Exam1KeyF09

163Exam1KeyF09 - Dr. Jesudoss Kingston Dr. Joe Burnett Fall...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Dr. Jesudoss Kingston Dr. Joe Burnett Fall 2009 This exam consists of 22 questions on 8 pages CHEM 163 Exam I September 16, 2009 Name______________________ Recitation TA ______________ Recitation Section ___________ Grading Teaching Assistants and Recitation Sections Page Points Score Name Sections Time 2 3 4 5 6 7 TOTAL 14 pts 22 pts 10 pts 22 pts 14 pts 20 pts 102 pts ________ ________ ________ ________ ________ ________ Alyssa Capper T. J. Clark Chamila Liyanage Kyle Marchuk Rajarshi Roy Choudhury T-Purnima Ruberu Selena Russell Anthony Stender Nishad Thamban Chandrika Lakmini Widanapathirana 1 5 4 25 20, 24 2, 6 9, 21 7, 8 3, 22 23 9:00 11:00 10:00 3:10 9:00, 10:00 9:00, 12:10 3:10, 1100 1:10, 2:10 10:00, 12:10 1:10 Questions are written on both sides of each page. There is a periodic table and an equation on the last page. You may remove this page for scratch paper. Show all work. Answers should include appropriate units and contain the correct number of significant figures. The last day to drop Chem 163 and add Chem 50 is Wednesday, September 23, at 5:00 p.m. See your advisor to obtain the drop/add form and go to the General Chemistry Office, room 1608 Gilman Hall. Answer Key
Background image of page 1

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

View Full DocumentRight Arrow Icon
2 1. (2 pts) Homogeneous mixtures are also known as _____ . a) compounds b) elements c) solutions d) solids e) substances 2. (4 pts) What subatomic particle or particles are found inside the nucleus of an atom? protons neutrons 3. (4 pts) The correct answer (reported to the proper number of significant figures) to the following is _________ . (181.5 – 180.6) × (9.11 × 7.92) = 64.93608 a) 64.93608 b) 64.9 c) 6.50 × 10 1 d) 6.5 × 10 1 e) 6 × 10 1 4. (4 pts) The voltmeter in the figure to the right is used to measure the voltage of a battery. What is the uncertainty in the measured voltage if the digits shown represent volts? a) 0.1 volt b) 0.01 volt c) 0.001 volt d) 1.0 volt e) None of the above
Background image of page 2
3 5. (4 pts) Consider: H 2 O (s) !" ! H 2 O (g) This ______ transformation is called ______ . a) physical; vaporization b) chemical; vaporization c) physical; sublimation d) chemical; sublimation 6. (8 pts) If the fuel efficiency of a car is 11.0 km/L, what is the fuel efficiency in miles per gallon? 1 mile = 1.61 km; 1 gallon = 3.79 L For full credit, show all work, include units and report your answer to the
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/06/2012 for the course CHEM 163 taught by Professor Christinabonaccorsi during the Spring '08 term at Iowa State.

Page1 / 8

163Exam1KeyF09 - Dr. Jesudoss Kingston Dr. Joe Burnett Fall...

This preview shows document pages 1 - 4. Sign up to view the full document.

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