Chem 177 Exam I February 8, Teaching Assistants and Recitation Sections. Page Points Score Name Sections Time Stacey Althaus 5 10:00 2
|
|
- Noel Lewis
- 5 years ago
- Views:
Transcription
1 Dr. Joe Burnett Spring 2010 This exam consists of 22 questions on 7 pages Chem 177 Exam I February 8, 2010 Name Recitation TA Recitation Section Grading Teaching Assistants and Recitation Sections Page Points Score Name Sections Time Stacey Althaus 5 10: pts 18 pts 16 pts Kyle Marchuk Kristopher McKee Justin Smith Anthony Stender 1, 10 11, , 3 8:00, 1:10 2:10, 1:10 12:10 8:00, 9: pts 26 pts Nishad Thamban Chandrika Songchen Xu 4, 6 7, 9 9:00, 11:00 11:00, 12:10 TOTAL 102 pts 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 177 and add Chem 50 is Thursday, March 4, at 4:00 PM. See your advisor to obtain the drop/add form and go to the General Chemistry Office, room 1608 Gilman Hall.
2 1. (2 pts) What subatomic particle or particles are found outside of the nucleus of an atom? 2 2. (4 pts) The correct answer (reported to the proper number of significant figures) to the following is _. ( ) ( ) = a) b) 64.9 c) d) e) (8 pts) How many oxygen atoms are in 5.00 g of CO 2? For full credit, show all work, use units, and report your answer to the correct number of significant figures. 4. (10 pts) Fill in the gaps in the following table. symbol Cr 6+ protons 79 neutrons 118 electrons 79 mass number net charge
3 3 5. (4 pts) Report the result of each calculation to the correct number of significant figures. (All numbers in the following are measured values and are NOT exact numbers.) A = B. = (6 pts) The mass of 27 glucose molecules is amu. What is the mass of glucose molecules in grams? For full credit, show all work, include units and report your answer to the correct number of significant figures. (Glucose is a simple sugar.) 1 amu = gram 7. (2 pts) Which is more dense, a 20.0 lb block of concrete or 1.0 g piece of gold? Density of concrete = 2000 kg/m 3 ; density of Gold = kg/m 3 ) 8. (2 pts) Which of the following is a chemical property? a) melting point b) mass c) flammability d) volume e) temperature 9. (4 pts) Boron has two isotopes, boron 10 and boron 11. Which isotope is more abundant in nature? a) boron 10 b) boron 11 c) the two isotopes are present in equal abundances d) not enough information has been provided to answer this question
4 4 10. (4 pts) What mass of lead has the same volume as 22.0 g of gold? For full credit, you must show all work and include units. a) g b) g c) 15.5 g d) 31.2 g e) none of the above substance density at 25 o C lead (Pb) 13.6 g/cm 3 gold (Au) 19.3 g/cm (4 pts) Read the volume of liquid in the graduated cylinder to the correct number of significant figures. The units are in milliliters. Read the level at the bottom of the meniscus indicated by the arrow. 12. (2 pts) Give one example of an intensive property. 13. (2 pts) Give one example of an extensive property. 14. (4 pts) What was the major contribution to our understanding of atomic structure that was determined in the Millikan oil drop experiment? Please be brief.
5 5 15. (6 pts) What is the percent composition by mass of oxygen in CO 2? For full credit, show all work, use units, and report your answer to the correct number of significant figures. 16. (6 pts) What is the mass in grams of 2.18 moles of CO 2? For full credit, show all work, use units, and report your answer to the correct number of significant figures. 17. (4 pts) What is the mass of 1 mole of Fe(OH) 2? a) 89.9 amu b) 89.9 g c) 73.8 amu d) 73.8 g e) none of them 18. (2 pts) Iron forms cations with a +3 charge Fe 3+ and a +2 charge Fe 2+. Which of the following is the correct name for Fe(OH) 2? a) ferric hydroxide b) ferrous hydroxide c) iron (IV) hydroxide d) iron hydroxide e) iron (II) hydrogen oxide
6 19. (6 pts) Fill in the blanks in the following table of acids. 6 Acid Name Acid Formula H 2 S HNO 3 perchloric 20. (14 pts) Fill in the blanks in the following table. Compound Name Compound Formula ionic or molecular (NH 4 ) 2 SO 4 P 4 S 10 nickel (III) oxide dinitrogen tetroxide 21. (4 pts) The incomplete combustion of hydrocarbons yields poisonous carbon monoxide according to the following reaction. Balance the equation. C 2 H 6 (g) + O 2 (g) CO(g) + H 2 O(l) 22. (2 pts) What is the name for C 2 H 6?
7 7 Chem 177 Periodic Table Exam I C = 5 9 ( F 32) F = ( C) + 32 density of water at 25 o C: 1.00 g/ml
Chem 177 Exam I February 8, Teaching Assistants and Recitation Sections. Page Points Score Name Sections Time Stacey Althaus 5 10:00 2
Dr. Joe Burnett Spring 010 This exam consists of questions on 7 pages Chem 177 Exam I February 8, 010 Answer Key Name Recitation TA Recitation Section Grading Teaching Assistants and Recitation Sections
More informationChem 177 Exam II March 3, Teaching Assistants and Recitation Sections. Page Points Score Name Sections Time Stacey Althaus 5 10:00 2
Dr. Joe Burnett Spring 2010 This exam consists of 13 questions on 9 pages Chem 177 Exam II March 3, 2010 Name Recitation TA Recitation Section Grading Teaching Assistants and Recitation Sections Page Points
More informationChem 177 Final Exam: Thursday, May 12 2 PM Same rooms as previous exams
Dr. Joe Burnett Spring 2010 This exam consists of 24 questions on 9 pages Chem 177 Exam III April 5, 2010 Name Recitation TA Recitation Section Grading Teaching Assistants and Recitation Sections Page
More informationExam 1, Ch September 21, Points
Chem 130 Name Exam 1, Ch 1-4.2 September 21, 2018 100 Points Please follow the instructions for each section of the exam. Show your work on all mathematical problems. Provide answers with the correct units
More information1. Which of the following wavelengths has the highest energy per photon? a. 100 nm b nm c nm d nm
Multiple Choice 1. Which of the following wavelengths has the highest energy per photon? a. 100 nm b. 1000 nm c. 10000 nm d. 100000 nm 2. With respect to mass, what is the correct ranking of a proton,
More informationExam 1, Ch September 21, Points
Chem 130 Name Exam 1, Ch 1-4.2 September 21, 2018 100 Points Please follow the instructions for each section of the exam. Show your work on all mathematical problems. Provide answers with the correct units
More informationAdvanced Placement Chemistry ~ Summer Assignment Part 2. Name
Advanced Placement Chemistry ~ Summer Assignment Part 2 Name Topic 1: Measurements and Dimensional Analysis Appropriately read and report a measurement correctly with one uncertain digit. State the number
More informationForm A. Exam 1, Ch 1-4 September 23, Points
Chem 130 Name Exam 1, Ch 1-4 September 23, 2011 100 Points Please follow the instructions for each section of the exam. Show your work on all mathematical problems. Provide answers with the correct units
More information3. Most laboratory experiments are performed at room temperature at 65 C. Express this temperature in: a. F b. Kelvin
Do all work on a separate sheet of paper so that you can show your work. Section A: Measurement and Math 1. Convert the following and show your work: a. 200 meters = miles. b. 650 in = meters c. 4 years=
More information!!! DO NOT OPEN THIS EXAM BOOK UNTIL TOLD TO DO SO BY THE INSTRUCTOR!!!
CHEM 142 - Exam 1 Version B!!! DO NOT OPEN THIS EXAM BOOK UNTIL TOLD TO DO SO BY THE INSTRUCTOR!!! Instructor: Dr. Kari Pederson NO GRAPHING CALCULATORS ALLOWED Date: Friday, July 15 ONLY CALCULATORS MAY
More informationName. Last 5 digits of Student Number: XXX X (may be the same as your social security number) Chem 103 Sample Examination #1
α page 1 of 8 KEY ame Last 5 digits of Student umber: XXX X (may be the same as your social security number) hem 103 Sample Examination #1 This exam consists of eight (8) pages, including this cover page.
More informationCHEMISTRY 1A SPRING 2011 EXAM 1 KEY CHAPTERS 1-4
You might find the following useful. Electronegativities H 2.2 CHEMISTRY 1A SPRING 2011 EXAM 1 KEY CHAPTERS 1- Li Be B C N O F 0.98 1.57 2.0 2.55.0..98 Na Mg Al Si P S Cl 0.9 1.1 1.61 1.9 2.19 2.58.16
More informationChem 205: GENERAL CHEMISTRY I MIDTERM EXAMINATION
Concordia University CHEM 205 Fall 2006 Dr. C. Rogers, Section 01 T/J -- MIDTERM EXAM Student ID #: Chem 205: GENERAL CHEMISTRY I MIDTERM EXAMINATION PLEASE READ THIS WHILE WAITING TO START INSTRUCTIONS:
More informationIntroductory Chemistry I Chemistry 1111 September 17, 2009 Hour Examination I Name There is a Periodic Table and a summary of solubility rules attached to the end of this examination. You may use a non-programmed
More informationCHEM 60 Spring 2016 Exam 1 Ch 1-4, 100 points total.
Name Exam No. A CHEM 60 Spring 2016 Exam 1 Ch 1-4, 100 points total. Multiple Choice. (20 questions, 3 points each = 60 points total) Mark the letter on the scantron form corresponding to the one best
More information1. [7 points] How many significant figures should there be in the answer to the following problem?
1 of 6 10/20/2009 3:54 AM Avogadro s Number = 6.022 10 23 1. [7 points] How many significant figures should there be in the answer to the following problem? (29.0025 + 0.2)/(6.1345 36.101) (a) 1 (b) 2
More informationPart I. Multiple choice. Circle the correct answer for each problem. 3 points each
CHEM 100 Name Exam 1 Summer 2010 Part I. Multiple choice. Circle the correct answer for each problem. 3 points each 1. The observation that 20 g of hydrogen gas always combines with 160 g of oxygen gas
More informationChemistry for Today General Organic and Biochemistry 9th Edition Seager
Chemistry for Today General Organic and Biochemistry 9th Edition Seager TEST BANK Full download at: https://testbankreal.com/download/chemistry-today-general-organic-biochemistry-9thedition-seager-test-bank/
More informationCHEM 177 Hour Exam I September 12, 2011
Prof. Thomas Greenbowe Dr. Jesudoss Kingston This exam consists of 2 parts on 9 pages CHEM 177 Hour Exam I September 12, 2011 Name Recitation TA Recitation Section Parts Page 3 Page 4 Page 5 Page 6 Page
More informationChem Exam 1. September 26, Dr. Susan E. Bates. Name 9:00 OR 10:00
Chem 1711 Exam 1 September 26, 2013 Dr. Susan E. Bates Name 9:00 OR 10:00 N A = 6.022 x 10 23 mol 1 I A II A III B IV B V B VI B VII B VIII I B II B III A IV A V A VI A VII A inert gases 1 H 1.008 3 Li
More informationName Chemistry 10 Dr. Kline 11 March 2004 Row Seat Lab 8:00 10:30
Test 1 Name Chemistry 10 Dr. Kline 11 March 2004 Row Seat Lab 8:00 10:30 This test consists of a combination of multiple choice and other questions. There should be a total of 24 questions on six pages;
More informationTHE ANSWER KEY TO THIS EXAM WILL BE POSTED ON BULLETIN BOARD #5 IN THE HALLWAY EAST OF ROOM 1002 GILMAN AND ON THE CHEM 177 WEBSITE.
PROF. THOMAS J. GREENBOWE DR. KATHY BURKE FALL 2007 THIS EXAM CONSISTS OF 22 QUESTIONS ON 6 PAGES CHEM 177 HOUR EXAM I SEPTEMBER 10, 2007 NAME RECIT. INSTR. RECIT. SECT. PARTS Page 2 Page Page 4 Page 5
More informationVIII. Progression of the atomic model Democritus/Dalton --> Thomson --> Rutherford --> Bohr --> Quantum Mechanical
HISTORY OF ATOMIC THEORY NOTES I. Ancient Greeks A. Aristotle ~ believed there were 4 elements: B. Democritus ~ believed in the "particle theory": ~ named the small particles "atoms" which means II. Dalton
More informationCHEMISTRY 101 SPRING 2010 EXAM 1 FORM B SECTION 503 DR. KEENEY-KENNICUTT PART 1
NAME CHEMISTRY 101 SPRING 2010 EXAM 1 FORM B SECTION 503 DR. KEENEY-KENNICUTT Directions: (1) Put your name and signature on PART 2 of the exam where indicated. (2) Sign the Aggie Code on PART 2 of this
More informationQ1. The electronic structure of the atoms of five elements are shown in the figure below.
Q1. The electronic structure of the atoms of five elements are shown in the figure below. The letters are not the symbols of the elements. Choose the element to answer the question. Each element can be
More information2. Which is NOT considered matter? (A) air (B) lead (C) sugar (D) sunlight. 4. Which of the following is a metalloid? (A) Se (B) Sr (C) Si (D) Sn
Midterm Review Packet ANSWER KEY 01/26/2014 Multiple Choice Question 1. Which part of an atom is positively charged? (A) proton (B) neutron (C) electron (D) shells 2. Which is NOT considered matter? (A)
More informationChemistry Midterm Exam Review Sheet Spring 2012
Chemistry Midterm Exam Review Sheet Spring 2012 1. Know your safety rules 2. A shopping mall wanted to determine whether the more expensive Tough Stuff floor wax was better than the cheaper Steel Seal
More informationHouston Community College System
. Houston Community College System Chemistry 1311 EXAM # 1A The Periodic table of the Chemical Elements 1 CHEM 1311 Sample Exam #1A (1,2, and 3) Part I. Multiple choice questions. ( 4 points each) Direction-
More informationCHEMISTRY PRACTICE EXAM #1
CHEMISTRY 1710 - PRACTICE EXAM #1 Section 1 - Match the phrases with a correct term from the list at the bottom of the page. Place the letter of the correct term in the blank next to the phrase or definition.
More informationCHE 105 Spring 2018 Exam 1
CHE 105 Spring 2018 Exam 1 Your Name: Your ID: Question #: 1 Which one will increase in volume when poured out of a bottle onto the classroom floor? A. a solid B. a liquid C. a gas Question #: 2 Which
More informationM T W R. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. (3 pts ea)
Exam 1 A Fall 2016 a Seat # Name M T W R MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. (3 pts ea) 1) Which of the following is a chemical property?
More information941_1 st Exam_ ) Which of the following is not an example of matter? A) wood B) water C) air D) light E) atoms Answer: D
941_1 st Exam_941020 1) Which of the following does not represent a physical property? A) boiling point B) odor C) density D) reaction with oxygen E) solubility in water 2) Which of the following is not
More informationChemistry 12 Exam 1 September 27, 2000 Form A
hemistry 12 Exam 1 September 27, 2000 Form A 1. The chemical formula for sodium phosphate is: A. S 3P 4 B. NaP 3. Na 3P 4 D. S 2P 3 E. Na 2P 4 2. ow many protons, neutrons and electrons does 201 g 2+ have?
More informationName (printed): Signature:
CHEM Lab Section Number: Name (printed): Signature: This exam consists of 36 questions all of equal value for a total of 225 points. Make sure that your test has all of the pages. Please read each problem
More informationChem 121H Honors General Chemistry Hour Exam #1 NAME ID#
Not all pieces of information on this page are needed to complete this exam correctly Particle Mass/u Proton 1.007276 Neutron 1.008665 Electron 0.00054858 Isotope Mass/u H-1 1.007825 H-2 2.01400 H-3 3.016005
More informationThis exam will be given over 2 days. Part 1: Objectives 1-13 Part 2: Objectives 14-24
Name Hour January Exam Practice A This exam will be given over 2 days. Part 1: Objectives 1-13 Part 2: Objectives 14-24 This practice exam will be graded in the exam portion of the grade book. Objectives
More informationStructure of Atoms. Atoms and Elements. Structure of Atoms. Structure of Atoms. Structure of Atoms. Structure of Atoms 10/9/13
Atoms and Elements Through a series of experiments conducted by a number of different people (Thomson, Milliken, Rutherford, etc.), we know that atoms are composed of three different types of subatomic
More informationPart I. Multiple choice. Circle the correct answer for each problem. 3 points each
CEM 100 Name Exam 1 Summer 2010 Part I. Multiple choice. Circle the correct answer for each problem. 3 points each 1. The observation that 20 g of hydrogen gas always combines with 160 g of oxygen gas
More informationThis packet contains review material from Pre-AP Chemistry. Be prepared to take a quiz over this material during the first week of school.
This packet contains review material from Pre-AP Chemistry. Be prepared to take a quiz over this material during the first week of school. How many significant figures (digits) are represented by each
More informationCH1410 Practice Exam #1
CH1410 Practice Exam #1 Section 1 - Multiple Choice - Write the letter of the BEST CHOICE in the space provided. 1. Which state of matter has atomic spacing that is close together and indefinite shape?
More information4. Draw a concept map showing the classifications of matter. Give an example of each.
Name Bring calculator, pencils, and this completed worksheet to the midterm exam. For problems involving an equation, carry out the following steps: 1. Write the equation. 2. Substitute numbers and units.
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement
More informationJanuary Semester Exam Practice B This exam will be given over 2 days. Part 1: Objectives 1-13 Part 2: Objectives 14-24
Name Hour January Semester Exam Practice B This exam will be given over 2 days. Part 1: Objectives 1-13 Part 2: Objectives 14-24 This practice exam will be graded in the exam portion of the grade book
More informationChem 101, Spring 2000 Exam I
Chem 101, Spring 2000 Exam I Name_ Attached is a periodic table you may use. Scratch paper is available at the front of the room. 1. Classify each of the following as either a physical (P or chemical (C
More informationChem GENERAL CHEMISTRY I MIDTERM EXAMINATION
Concordia University CHEM 205 Fall 2009, B LAST NAME: FIRST NAME: STUDENT ID: Chem 205 - GENERAL CHEMISTRY I MIDTERM EXAMINATION PLEASE READ THIS BOX WHILE WAITING TO START INSTRUCTIONS: Calculators are
More informationChem 110 Fall 2016 Exam I Whelan Some Useful (maybe) Constants:
Chem 110 Fall 2016 Exam I Whelan Some Useful (maybe) Constants: 1 amu = 1.661x10-24 g SID Last First Question 1 7 Points a) How many significant figures are there in each of the following numbers? 0.927790
More informationName. Student ID # CHEMISTRY 121 [Tyvoll] EXAM I. September 30, Possibly Useful Information:
Name Student ID # CHEMISTRY 121 [Tyvoll] EXAM I September 30, 2004 1 2 3 4 5 Possibly Useful Information: 1) ( ) ( ) ( ) ( ) ( ) 1 in = 2.540 cm 1 kg = 2.205 lb 2) ( ) ( ) ( ) ( ) ( ) R = 8.314 J K -1
More informationCHE 105 FA17 Exam 1. Which state of matter has a definite shape and is rigid?
CHE 105 FA17 Exam 1 Your Name: Your ID: Question #: 1 Which state of matter has a definite shape and is rigid? A. gas B. solid C. plasma D. liquid Question #: 2 Identify each substance as an element, compound,
More informationUnit III: Quantitative Composition of Compounds
Unit III: Quantitative Composition of Compounds A. Atoms and Isotopes B. Atomic Composition of Chemical Compounds C. Formula and Molecular Mass D. Calculations using Moles of Atoms E. Calculations using
More informationKwantlen University College Department of Chemistry. CHEM 0094 Final Exam
Kwantlen University College Department of Chemistry CHEM 0094 Final Exam Student: Instructor: Fall 2001 Time: 3 Hours INSTRUCTIONS: Answer in the spaces provided. Rough work may be done on the back of
More informationCHEM 1211K Test I. 2) Which one of the following is a pure substance? A) salt water B) concrete C) milk D) wood E) elemental copper
CHEM 1211K Test I MULTIPLE CHOICE. (3 points each) 1) Consider a mixture consisting of sand in salt water. This mixture could be separated into its three components (sand, salt, and water) by first the
More informationINSTRUCTIONS: CHEM Exam I. September 13, 1994 Lab Section
CHEM 1314.05 Exam I John I. Gelder September 13, 1994 Name TA's Name Lab Section Please sign your name below to give permission to post, by the last 4 digits of your student I.D. number, your course scores
More informationFill in the blanks with the appropriate word, phrase, number, or unit.
Name (PRINT CLEARLY) Seat Number Exam 1 (100 points) Chemistry 1303.002 September 20, 2017 On my honor, I have neither given nor received unauthorized aid on this exam. Signed Date Fill in the blanks with
More informationMultiple Choice Identify the choice that best completes the statement or answers the question.
Chemi1100pretest1 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Accordingly to the periodic law the properties of elements repeat at regular intervals
More informationUNIT 3 Chemical Quantities Chapter 5 Counting Atoms and Molecules The Mole
UNIT 3 Chemical Quantities Chapter 5 Counting Atoms and Molecules The Mole How does the mass of a substance relate to the number of atoms in the substance? Recall: Atomic mass units. Atomic mass units
More information2014 Chemistry 1 st Semester Exam Review Packet
Name: Date: Hour: 2014 Chemistry 1 st Semester Exam Review Packet 1. What percentage of the water on Earth is salt water? (1 point) A. 97.2% B. 0.009% C. 2.11% D. 2.8 % 2. One similarity between all mixtures
More informationChem 127, Final Exam December 14, 2001
I. (55 points) This part of the final corresponds to Exam I. It covers the material in Chapters 1, 2 and 3. A. (8 points) Fill in the empty boxes with the appropriate symbol, number, word or charge. Nuclear
More informationCHE 105 Exam 1 Fall 2016
CHE 105 Exam 1 Fall 2016 Your Name: Your ID: attachment_for_pubexamuid_lnxp114738117286913141xx_99.jpg Question #: 1 The state of matter in which atoms or molecules have a fixed volume but are free to
More informationCHE 105 SU17 Exam 1. Which statement describes a chemical change? Question #: 1. Question #: 2. Question #: 3
CHE 105 SU17 Exam 1 Your Name: Your ID: Question #: 1 The state of matter in which atoms or molecules do not have a fixed volume or shape and are free to move relative to each other is a 1 [solid, liquid,
More informationLecture outline: Section 3. Law of conservation of mass: atoms are not created or. reactions. They simply rearrange. Mass before = mass after
Lecture outline: Section 3 Chemical reactions: chemical changes that occur when substances react to form new substances 1. Chemical equations 2. Atomic and molecular 3. Chemical calculations Law of conservation
More informationCHEM 60 Spring 2016 Exam 2 Ch 5-8, 100 points total.
Name Exam No. F CHEM 60 Spring 2016 Exam 2 Ch 5-8, 100 points total. Multiple Choice. (20 questions, 3 points each = 60 points total) Mark the letter on the scantron form corresponding to the one best
More informationPRACTICE EXAM III CCBC-Catonsville. TOTAL 100 Bonus p.5 7. Adjusted total to Exam III = Current Course Total = Chem 107
Chem 107 PRACTICE EXAM III CCBC-Catonsville *** ALWAYS ANSWER IN FULL SENTENCES! *** On numerical problems, you MUST show your set ups. When dimensional analysis is specified, you MUST set up the problem
More information14 MC pts problem pts. = 24 pts. total possible
CHE 211 Answers in BOLD RED EXAM 1, 2014 KEY On this mastery- based exam, you must score at least 70% to complete the exam. If your score is less than 70% you will have to do a retake of one or two chapters
More informationCHEM 121a Exam 1 Fall 1997
SSN CHEM 121a Exam 1 Fall 1997 This exam consists of 20 multiple choice questions (each worth 3 points), and 4 problems (each worth 10 points). There are a total of 100 possible points. Part I. Multiple
More informationCHEM 5, Spring 2016 EXAM 2 (Chp 3 & 4) Use the Scantron for Questions Mark only one answer unless instructed otherwise.
CHEM 5, Spring 2016 EXAM 2 (Chp 3 & 4) NAME 115 pt Use the Scantron for Questions 1-25. Mark only one answer unless instructed otherwise. CHP 3.1-3.4 (Atomic structure and isotopes) ANSWERS FOR QUESTIONS
More informationCHE 105 ALTERNATE EXAMINATION I February 9, 2012
CHE 105 ALTERNATE EXAMINATION I February 9, 2012 University of Kentucky Department of Chemistry PLEASE READ THESE DIRECTIONS CAREFULLY BEFORE STARTING THE EXAMINATION! It is extremely important that you
More informationLecture outline: Section 3
Lecture outline: Section 3 Chemical reactions: chemical changes that occur when substances react to form new substances 1. Chemical equations 2. Atomic and molecular mass 3. Chemical calculations 1 Law
More information5. [7 points] What is the mass of gallons (a fifth) of pure ethanol (density = g/cm 3 )? [1 gallon = Liters]
1 of 6 10/20/2009 3:55 AM Avogadro s Number, N A = 6.022 10 23 1. [7 points] Given the following mathematical expression: (15.11115.0)/(2.154 10 3 ) How many significant figures should the answer contain?
More informationCHEM 177 HOUR EXAM I SEPTEMBER 15, 2008
PROF. THOMAS GREENBOWE PROF. THOMAS HOLME DR. KATHY BURKE THIS EXAM CONSISTS OF 22 QUESTIONS ON 7 PAGES CHEM 177 HOUR EXAM I SEPTEMBER 15, 2008 NAME RECIT. INSTR. RECIT. SECT. PARTS Problems 1-15, Pages
More informationDay 2 & Day 3 Online Video Reviews: Video Lesson # 1: Ionic Formulas; Using Criss-Cross Method
Name: Period: Final Exam Fall 2017 Video Review +5 points will be added to the final exam score if the entire packet is complete. The packet is due the class period of the final exam NO EXCEPTIONS! The
More informationChem101 - Lecture 2. Atoms and Molecules
Chem101 - Lecture 2 Atoms and Molecules Elements Elements are pure substances containing only one kind of atom (homoatomic). There are at last count 114 elements. - 88 of them are naturally occurring.
More informationName: Chemistry 400: General Chemistry Miller Exam I September 20, 2017 Approximately 150 points
Name: Chemistry 400: General Chemistry Miller Exam I September 20, 2017 Approximately 150 points Please answer each of the following questions to the best of your ability. If you wish to receive partial
More informationOPTIONAL PRACTICE PROBLEMS
OPTIONAL PRACTICE PROBLEMS 1 DIMENSIONAL ANALYSIS AND PROPERTIES OF MATTER (1) List the base (fundamental) SI units: (2) Fill in the following table: Object Weight, g Mass, g Piece of iron 50 g? Huge container
More informationA chemical reaction shows the process in which a substance (or substances) is changed into one or more new substances
A chemical reaction shows the process in which a substance (or substances) is changed into one or more new substances Chang, R. 2002. Chemistry 7 th ed. Singapore: McGraw-Hill. A chemical equation uses
More informationCHE 105 Exam 1 Spring 2016
CHE 105 Exam 1 Spring 2016 Your Name: Your ID: Question #: 1 Which one of the following states of matter does not take on the shape of its container? A. solid B. liquid C. gas Question #: 2 Which statement
More informationLab Chemistry - Final Exam Review 1. Express in scientific notation. A) D) B) E) C)
Lab Chemistry - Final Exam Review 1. Express 30554000 in scientific notation. A) 3 10 7 D) 30554 10 3 B) 3.0554 10 7 E) 305540 10 7 C) 306 10 7 2. What is the result of the following multiplication expressed
More informationChapter 2: Atoms and Molecules
SYMBOLS AND FORMULAS A unique symbol is used to represent each element. Formulas are used to represent compounds. Chapter 2: Atoms and Molecules ELEMENTAL SYMBOLS A symbol is assigned to each element.
More informationCP Chemistry Final Exam Review
I. Matter and Measurement 1) Chemical or physical property? CP Chemistry Final Exam Review Diamond is a very hard substance. The density of aluminum is 2.7 g/cm 3. Zinc reacts with acid. Copper melts at
More informationWelcome to AP Chemistry!
Welcome to AP Chemistry! You will quickly notice that things will be different than they were in Honors Chemistry. For one, you must memorize a lot of the information that was given to you on the Chemistry
More informationElements and Compounds. Composition of Matter
Elements and Compounds Composition of Matter Elements Element Identification Source of Light Elements Solar Spectra Detecting Elements Molecular Spectrum of CO Chemical and Physical Properties Elements
More informationCHEM 1411 SAMPLE FINAL EXAM
PART I - Multiple Choice (2 points each) CHEM 1411 SAMPLE FINAL EXAM 1. The distance between carbon atoms in ethylene is 134 picometers. Which of the following expresses this distance in meters? A. 1.34
More informationTest #1 Last Name First Name Zumdahl, Chapters 1 and 2 June 8, 2004
Chemistry 1441-003 Name (please print) Test #1 Last Name First Name Zumdahl, Chapters 1 and 2 June 8, 2004 Instructions: 1. This exam consists of 23 questions. 2. No scratch paper is allowed. You may do
More informationElements. Chem101 - Lecture 2. Elements. Elements. Elements. Elements. Atoms and Molecules
Chem101 - Lecture 2 Atoms and Molecules Elements Elements are pure substances containing only one kind of atom (homoatomic). There are at last count 114 elements. (Your book indicates 112.). - 88 of these
More informationThis is a guide for your test #1.
This is a guide for your test #1. 1) Lead melts at 601.0 C. What temperature is this in F? A. 302 F B. 365 F C. 1,050 F D. 1,082 F E. 1,114 F 2) Ammonia boils at -33.4 C. What temperature is this in F?
More informationChem A Practice Exam f2013
Class: Date: Chem A Practice Exam f2013 Short Answer 1. The following length measurements were taken by students using several different measuring devices. Find the average of the measurements. Make sure
More informationTA Wednesday, 3:20 PM Each student is responsible for following directions. Read this page carefully.
Name Chemistry 111 Section FINAL EXAM Total Points = TA Wednesday, 3:20 PM 200 Directions: December 12, 2007 1. Each student is responsible for following directions. Read this page carefully. 2. Write
More informationA = number of protons + number of neutrons Z = number of protons
Worksheet 3 Fundamentals Objectives To understand and be able to apply the fundamental laws. The Law of Conservation of Mass Mass can be neither created nor destroyed in a chemical reaction. The Law of
More informationChapter 28: Nuclear Chemistry (pg ) On a graph of n 0 versus p + use the position of a plotted nucleus relative to the band of
Chemistry A Final Exam Review Packet Fall 2016 The topics and questions on this review are intended to help you study for the final exam. The exam will include both multiple choice and short answer questions
More informationCH 221 Sample Exam Exam II Name: Lab Section:
Exam II Name: Lab Section: Part I: Multiple Choice Questions (100 Points) Use a scantron sheet for Part I. There is only one best answer for each question. 1. When methanol undergoes complete combustion,
More informationExam Review - Chemistry
Exam Review - Chemistry Part A: Matching Identify the symbol that best matches the description given. a. e. b. f. c. g. d. h. 1. Oxidizing Material 2. Biohazardous Infectious Material 3. Poisonous and
More informationAP Chemistry. 9. Which of the following species CANNOT function as an oxidizing agent? (A) Cr 2 O 72 (B) MnO 4 (C) NO 3 (D) S (E) I
Name AP Chemistry AP Chemistry Exam Part I: 40 Questions, 40 minutes, Multiple Choice, No Calculator Allowed Bubble the correct answer on your scantron for each of the following. Use the following answers
More informationChem Hughbanks Exam 2, March 10, 2016
Chem 107 - Hughbanks Exam 2, March 10, 2016 Name (Print) UIN # Section 502 Exam 2, On the last page of this exam, you ve been given a periodic table and some physical constants. You ll probably want to
More informationUnit 2. Atoms, Molecules, and Ions
Unit 2. Atoms, Molecules, and Ions Upon successful completion of this unit, the students should be able to: 2.1 State and be able to apply the Law of Conservation of Mass, Law of Definite Proportions,
More information-AP Biology Biochemistry/Chemistry Review
-AP Biology Biochemistry/Chemistry Review Name Chapter 2 - The Nature of Molecules Sections 2.1-2.3 Chapter 3 The Chemical building blocks of life 1. What occurrence 12.5 billion years ago is proposed
More informationREVIEW OF BASIC CHEMISTRY ANSWER KEY
REVIEW OF BASIC CHEMISTRY ANSWER KEY 1. Name the following elements. Spelling counts: 2. Write the symbols for the following elements. H hydrogen sodium Na S sulphur phosphorus P Cl chlorine fluorine F
More informationExam 1 Chemistry 112 October 7, Part I- Multiple Choice (3 points each). Please choose the single correct answer.
Name Exam 1 Chemistry 112 October 7, 2013 Part I- Multiple Choice (3 points each). Please choose the single correct answer. 1. How many kilometers are there in one meter? a) 0.001 b) 0.01 c) 100 d) 1000
More informationSolid Gas Liquid Plasma
Unit 1: MATTER 1. Define CHEMISTRY: 2. Define MATTER: Use one of the states of matter to complete each statement. (Words will be used more than once.) Solid Gas Liquid Plasma 3. A has definite volume and
More informationCP Chemistry Final Exam Review
I. Matter and Measurement 1) Chemical or physical property? CP Chemistry Final Exam Review Diamond is a very hard substance. The density of aluminum is 2.7 g/cm 3. Zinc reacts with acid. Copper melts at
More informationThere is more here than would be on the test, but this is a good example of the types of questions you will encounter.
Test Study Materials There is more here than would be on the test, but this is a good example of the types of questions you will encounter. Chapter 1 38. Define matter. Explain what is meant by mass and
More informationCHM 100 CHEMISTRY MAN & ENVIRONMENT Comprehensive SAMPLE MIDTERM EXAM
CHM 100 CHEMISTRY MAN & ENVIRONMENT Comprehensive SAMPLE MIDTERM EXAM Multiple Choice: Identify the choice that best completes the statement or answers the question. 1. Determine the mass in grams of a
More information