8. Relax and do well.

Save this PDF as:

Size: px
Start display at page:

Download "8. Relax and do well."

Transcription

1 CHEM 1515 Name Exam III TA's Name John III. Gelder April 7, 1993 Lab Section INSTRUCTIONS: 1. This examination consists of a total of 8 different pages. The last 2 pages include important mathematical equations and constants, a solubility table, a periodic table, and a table of dissociation constants. All work should be done in this booklet. You may carefully remove the last 2 pages of the examination. 2. PRINT your name, your TA's name and your laboratory section now in the space at the top of this sheet. DO NOT SEPARATE THE PAGES. 3. Answer all questions that you can and whenever called for show your work clearly. Your method of solving problems should pattern the approach used in lecture. You do not have to show your work for the multiple choice or short answer questions. 4. No credit will be awarded if your work is not shown in problems 2 4. Please circle your final answer! 5. Point values are shown next to the problem number. 6. Budget your time for each of the questions. Some problems may have a low point value yet be very challenging. If you do not recognize the solution to a question quickly, skip it, and return to the question after completing the easier problems. 7. Look through the exam before beginning; plan your work; then begin. 8. Relax and do well. Page 2 Page 3 Page 4 Page 5 TOTAL SCORES (29) (30) (20) (21) (100)

2 CHEM 1515 Exam III 2 (9) 1. Complete and balance the following reactions. Identify all product's phases as either (g)as, (l)iquid, (s)olid or (aq)ueous. Products which are soluble ionic compounds must be written as ions. If no reaction occurs, write NR. a) KHC 8 H 4 O 4 (aq) + KOH(aq) b) Cu(NO 3 ) 2 (aq) + KIO 3 (aq) c) C 5 H 5 N(aq) + HC 2 H 3 O 2 (aq) (10) 2. Calculate the ph of an aqueous solution which is M (CH 3 ) 3 N. (10) 3. Calculate the ph of an aqueous solution formed after mixing 40.0 ml of M KOH and 30.0 ml of M HC 4 H 7 O 2.

3 CHEM 1515 Exam III 3 (30)4a. Calculate the ph of 500. ml of an aqueous solution which is M HC 7 H 5 O 2 (benzoic acid). b. Calculate the ph of the 500. ml solution in part a) after adding moles of KC 7 H 5 O 2. (Assume no volume change.) c. Briefly explain why the ph of the solution in part b) differs from the ph of the solution in part a). d. Calculate the ph of the 500. ml solution in part b) after adding moles of HNO 3. (Assume no volume change.)

4 CHEM 1515 Exam III 4 (20) 5. The formula for acetic acid, HC 2 H 3 O 2, which we use in class can also be written as CH 3 COOH. a) draw the Lewis structure for acetic acid. b) write the chemical equation which describes how acetic acid acts as an acid. c) write the definition of a Br/o nsted-lowry acid d) using the Lewis structure in part a) identify the acidic hydrogen in acetic acid. e) write the formula for, and draw the Lewis structure for the conjugate base of acetic acid f) write the definiton for a Br/o nsted-lowry base. g) trichloroacetic acid has the formula HC 2 Cl 3 O 2. Draw a Lewis structure for trichloroacetic acid. Would you predict trichloroacetic acid to be a stronger acid compared to acetic acid, weaker or about the same in strength? Provide a brief explanation to support your answer.

5 CHEM 1515 Exam III 5 Multiple Choice: (14 points) Print the letter (A, B, C, D, E) which corresponds to the answer selected ONLY THE ANSWERS IN THE AREA ABOVE WILL BE GRADED. Select the most correct answer for each question. Each question is worth 3 points. 6. Which of the following buffer systems would be the best to use if you needed to prepare a buffer with nearly equal amounts of the acid and conjugate base and having a ph = 7.40, the same ph as blood? A) H 3 PO 4 /H 2 PO 4 B) HC 2 H 3 O 2 /C 2 H 3 O 2 C) H 2 PO 4 /HPO 4 2 D) NH 4 + /NH 3 E) H 2 CO 3 /HCO 3 7. Which of the following is the strongest base? A) M C 6 H 5 NH 2 B) M KCN C) M HSO 4 D) M NH 3 E) M C 2 H 5 NH Calculate the magnitude of the equilibrium constant for the following reaction A) 1.0 x B) 6.4 x C) 4.9 x 10 4 D) 3.14 x 10 1 HCN(aq) + C 2 H 5 NH 2 (aq) C 2 H 5 NH 3 + (aq + CN (aq) 9. Which of the following salts gives an acidic solution? A) CH 3 NH 3 ClO 4 B) NaCl C) K 2 CO 3 D) KC 2 H 3 O 2 E) CaS 10. Calculate the initial concentration of a sample of acetic acid if the ph of the solution is A) 4.85 M B) M C) 1.1 x 10-5 M D) 1.4 x 10-5 M E) 2.5 x 10-5 M

6 CHEM 1515 Exam III A solution is labeled M H 2 CO 3, A) [H + ] less than M B) [CO 3 2 ] = M C) [H + ] = M D) [HCO 3 ] = M E) [H + ] = M 12. The ph of a 3.50 x 10 3 M Ca(OH) 2 solution is, A) 2.15 B) 2.46 C) D) E) can not determine the ph of the solution without a value for K b.

7 CHEM 1515 Exam III 7 Equations ph = log[h + ] x 1,2 = b± b2 4ac 2a ph + poh = 14 Solubility Table Useful Information Constants for ax 2 + bx + c = 0 K w = 1.0 x Ion Solubility Exceptions NO 3 soluble none ClO 4 soluble except NH + 4 Cl soluble except Ag +, Hg 2+ 2, *Pb 2+ SO 2 4 soluble except Ca 2+, Ba 2+, Sr 2+, Hg 2+, Pb 2+, Ag + CO 2 3 insoluble except Group IA and NH + 4 PO 3 4 insoluble except Group IA and NH + 4 OH insoluble except Group IA, *Ca 2+, Ba 2+, Sr 2+ S 2 insoluble except Group IA, IIA and NH + 4 Na + soluble none NH + 4 soluble except ClO 4 K + soluble none *slightly soluble

8 CHEM 1515 Exam III IA 1 H IIA 4 Li Be Na Mg K Ca Rb Sr Cs Ba Fr (223) Ra IIIA IVA VA VIA VIIA B C N O F 9 10 Ne IIIB IVB VB VIB VIIB VIII IB IIB Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Y Zr Nb Mo Tc Ru Rh Pd A g Cd In Sn Sb Te I Xe (98) La Periodic Table of the Elements Hf Al Si P S Cl VIIIA 2 Ta W Re 75 Os Ir Pt Au Hg 80 Tl Pb Bi Po At Rn (209) (210) 89 Ac (261) (262) (263) He Ar (222) Lanthanides Actinides Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu (145) Th Pa U Np Pu AmCm Bk Cf Es Fm Md No Lr (244) (243) (247) (247) (251) (252) (257) (258) (259) (260)

9 CHEM 1515 Exam III 9 E.1 DISSOCIATION CONSTANTS FOR ACIDS AT 25 C Name Formula K a1 K a2 K a3 Acetic HC 2 H 3 O x 10 5 Ascorbic HC 6 H 7 O x 10 3 Arsenic H 3 AsO x x x Arsenous H 3 AsO x Benzoic HC 7 H 5 O x 10 5 Boric H 3 BO x Butyric acid HC 4 H 7 O x 10 5 Carbonic H 2 CO x x Cyanic HCNO 3.5 x 10 4 Citric H 3 C 6 H 5 O x x x 10 7 Formic HCHO x 10 4 Hydroazoic HN x 10 5 Hydrocyanic HCN 4.9 x Hydrofluoric HF 7.2 x 10 4 Hydrogen chromate ion HCrO x 10 7 Hydrogen peroxide H 2 O x Hydrogen selenate ion HSeO x 10 2 Hydrogen sulfate ion HSO x 10 2 Hydrogen sulfide H 2 S 5.7 x x Hypobromous HBrO 2.0 x 10 9 Hypochlorous HClO 3.0 x 10 8 Hypoiodus HIO 2.0 x Iodic HIO x 10 1 Lactic HC 3 H 5 O x 10 4 Malonic H 2 C 3 H 2 O x x 10 6 Oxalic H 2 C 2 O x x 10 5 Nitrous HNO x 10 4 Phenol HC 6 H 5 O 1.3 x Phosphoric H 3 PO x x x Paraperiodic H 5 IO x x 10 9 Propanoic HC 3 H 5 O x 10 5 Pyrophosphoric H 4 P 2 O 3.0 x x 10 3 Selenous H 2 SeO x x 10 9 Sulfuric H 2 SO 4 strong acid 1.2 x 10 2 Sulfurous H 2 SO x x 10 8 Tartaric H 2 C 4 H 4 O x x 10 5 E.2 DISSOCIATION CONSTANTS FOR BASES AT 25 C Name Formula K b Name Formula K b Ammonia NH x 10 5 Hydroxylamine HONH x 10 8 Aniline C 6 H 5 NH x Methylamine CH 3 NH x 10 4 Dimethylamine (CH 3 ) 2 NH 5.4 x 10 4 Pyridine C 5 H 5 N 1.7 x 10 9 Ethylamine C 2 H 5 NH x 10 4 Trimethylamine (CH 3 ) 3 N 6.4 x 10 5 Hydrazine H 2 NNH x 10 6

8. Relax and do well.

8. Relax and do well. CHEM 1515.001-009 Exam III John III. Gelder April 2, 2003 Name TA's Name Section INSTRUCTIONS: 1. This examination consists of a total of 10 different pages. The last three pages include a periodic table;

More information

8. Relax and do well.

8. Relax and do well. CHEM 1515 Exam II John II. Gelder October 14, 1993 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 8 different pages. The last two pages include a periodic table, a

More information

CHEM 10123/10125, Exam 2

CHEM 10123/10125, Exam 2 CHEM 10123/10125, Exam 2 March 7, 2012 (50 minutes) Name (please print) Please box your answers, and remember that significant figures, phases (for chemical equations), and units do count! 1. (13 points)

More information

8. Relax and do well.

8. Relax and do well. EM 1515.001 Exam III John III. Gelder November 7, 2001 Name TA's Name Lab Section INSTRUTIONS: 1. This examination consists of a total of 9 different pages. The last three pages include a periodic table,

More information

8. Relax and do well.

8. Relax and do well. CHEM 1215 Exam III John III. Gelder November 11, 1998 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 7 different pages. The last page includes a periodic table and

More information

8. Relax and do well.

8. Relax and do well. CHEM 1225 Exam III John III. Gelder April 8, 1999 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 7 different pages. The last two pages includes a periodic table and

More information

7. Relax and do well.

7. Relax and do well. CHEM 1215 Exam II John II. Gelder October 7, 1998 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 5 different pages. The last page includes a periodic table and a solubility

More information

INSTRUCTIONS: Exam III. November 10, 1999 Lab Section

INSTRUCTIONS: Exam III. November 10, 1999 Lab Section CHEM 1215 Exam III John III. Gelder November 10, 1999 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 7 different pages. The last page includes a periodic table and

More information

8. Relax and do well.

8. Relax and do well. CHEM 1225 Exam I John I. Gelder February 4, 1999 Name KEY TA's Name Lab Section Please sign your name below to give permission to post your course scores on homework, laboratories and exams. If you do

More information

8. Relax and do well.

8. Relax and do well. CHEM 1314 3;30 pm Theory Exam III John III. Gelder November 13, 2002 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 8 different pages. The last page include a periodic

More information

7. Relax and do well.

7. Relax and do well. CHEM 1215 Exam II John II. Gelder October 13, 1999 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 5 different pages. The last page includes a periodic table and a solubility

More information

8. Relax and do well.

8. Relax and do well. CHEM 15 Exam II John II. Gelder March 4, 1999 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 7 different pages. The last two pages includes a periodic table, a solubility

More information

7. Relax and do well.

7. Relax and do well. CHEM 1215 Exam II John II. Gelder October 7, 1998 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 5 different pages. The last page includes a periodic table and a solubility

More information

INSTRUCTIONS: CHEM Exam I. September 13, 1994 Lab Section

INSTRUCTIONS: 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 information

8. Relax and do well.

8. Relax and do well. CHEM 1314.03 Exam I John I. Gelder September 25, 1997 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 information

INSTRUCTIONS: 7. Relax and do well.

INSTRUCTIONS: 7. Relax and do well. EM 1314 Name Exam III TA Name John III. Gelder November 16, 1992 Lab Section INSTRUTIONS: 1. This examination consists of a total of 7 different pages. The last page includes a periodic table and some

More information

8. Relax and do well.

8. Relax and do well. CHEM 1014 Exam I John I. Gelder September 16, 1999 Name TA's Name Lab Section Please sign your name below to give permission to post your course scores on homework, laboratories and exams. If you do not

More information

7. Relax and do well.

7. Relax and do well. CHEM 1014 Exam III John III. Gelder November 18, 1999 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 7 different pages. The last page includes a periodic table and

More information

8. Relax and do well.

8. Relax and do well. EM 1515.001-006 Exam II John II. Gelder March 5, 2002 Name TA's Name Section INSTRUTIONS: 1. This examination consists of a total of 8 different pages. The last three pages include a periodic table, a

More information

8. Relax and do well.

8. Relax and do well. CHEM 34.02 and 34.03 Name Exam III John III. Gelder TA's Name November 5, 2000 Lab Section INSTRUCTIONS:. This examination consists of a total of 9 different pages. The last three pages include a periodic

More information

(please print) (1) (18) H IIA IIIA IVA VA VIA VIIA He (2) (13) (14) (15) (16) (17)

(please print) (1) (18) H IIA IIIA IVA VA VIA VIIA He (2) (13) (14) (15) (16) (17) CHEM 10113, Quiz 3 September 28, 2011 Name (please print) All equations must be balanced and show phases for full credit. Significant figures count, show charges as appropriate, and please box your answers!

More information

8. Relax and do well.

8. Relax and do well. CHEM 1314.05 Exam II John II. Gelder October 18, 1994 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 9 different pages. The last three pages include a periodic table,

More information

Circle the letters only. NO ANSWERS in the Columns! (3 points each)

Circle the letters only. NO ANSWERS in the Columns! (3 points each) Chemistry 1304.001 Name (please print) Exam 4 (100 points) April 12, 2017 On my honor, I have neither given nor received unauthorized aid on this exam. Signed Date Circle the letters only. NO ANSWERS in

More information

8. Relax and do well.

8. Relax and do well. CHEM 1314 Name Exam IV TA Name John IV. Gelder December 14, 1992 Lab Section INSTRUCTIONS: 1. This examination consists of a total of 9 different pages. The last three pages includes a periodic table and

More information

8. Relax and do well.

8. Relax and do well. CHEM 1515.001 Name Exam II John II. Gelder TA's Name March 8, 2001 Lab Section INSTRUCTIONS: 1. This examination consists of a total of 8 different pages. The last three pages include a periodic table,

More information

CHEM 10113, Quiz 5 October 26, 2011

CHEM 10113, Quiz 5 October 26, 2011 CHEM 10113, Quiz 5 October 26, 2011 Name (please print) All equations must be balanced and show phases for full credit. Significant figures count, show charges as appropriate, and please box your answers!

More information

Solutions and Ions. Pure Substances

Solutions and Ions. Pure Substances Class #4 Solutions and Ions CHEM 107 L.S. Brown Texas A&M University Pure Substances Pure substance: described completely by a single chemical formula Fixed composition 1 Mixtures Combination of 2 or more

More information

Circle the letters only. NO ANSWERS in the Columns!

Circle the letters only. NO ANSWERS in the Columns! Chemistry 1304.001 Name (please print) Exam 5 (100 points) April 18, 2018 On my honor, I have neither given nor received unauthorized aid on this exam. Signed Date Circle the letters only. NO ANSWERS in

More information

8. Relax and do well.

8. Relax and do well. CHEM 1314.03 Exam II John II. Gelder October 23, 1997 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 9 different pages. The last four pages include a periodic table,

More information

Fall 2011 CHEM Test 4, Form A

Fall 2011 CHEM Test 4, Form A Fall 2011 CHEM 1110.40413 Test 4, Form A Part I. Multiple Choice: Clearly circle the best answer. (60 pts) Name: 1. The common constituent in all acid solutions is A) H 2 SO 4 B) H 2 C) H + D) OH 2. Which

More information

610B Final Exam Cover Page

610B Final Exam Cover Page 1 st Letter of Last Name NAME: 610B Final Exam Cover Page No notes or calculators of any sort allowed. You have 3 hours to complete the exam. CHEM 610B, 50995 Final Exam Fall 2003 Instructor: Dr. Brian

More information

8. Relax and do well.

8. Relax and do well. EM 1515.001-009 Exam II John II. Gelder March 5, 2003 Name TA's Name Section INSTRUTIONS: 1. This examination consists of a total of 9 different pages. The last four pages include a periodic table; useful

More information

K. 27 Co. 28 Ni. 29 Cu Rb. 46 Pd. 45 Rh. 47 Ag Cs Ir. 78 Pt.

K. 27 Co. 28 Ni. 29 Cu Rb. 46 Pd. 45 Rh. 47 Ag Cs Ir. 78 Pt. 1 IA 1 ydrogen 1.01 Atomic number Element symbol Element name Atomic mass VIIIA 1 1.01 IIA IIIA IVA VA VIA VIIA 2 e 4.00 Metalloids 3 Li 6.94 4 Be 9.01 5 B 10.81 6 C 12.01 7 N 14.01 8 O 16.00 9 F 19.00

More information

The exam must be written in ink. No calculators of any sort allowed. You have 2 hours to complete the exam. Periodic table 7 0

The exam must be written in ink. No calculators of any sort allowed. You have 2 hours to complete the exam. Periodic table 7 0 Email: The exam must be written in ink. No calculators of any sort allowed. You have 2 hours to complete the exam. CEM 610B Exam 3 Spring 2002 Instructor: Dr. Brian Pagenkopf Page Points 2 6 3 7 4 9 5

More information

HANDOUT SET GENERAL CHEMISTRY II

HANDOUT SET GENERAL CHEMISTRY II HANDOUT SET GENERAL CHEMISTRY II Periodic Table of the Elements 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 IA VIIIA 1 2 H He 1.00794 IIA IIIA IVA VA VIA VIIA 4.00262 3 Li 6.941 11 Na 22.9898

More information

K. 27 Co. 28 Ni. 29 Cu Rb. 46 Pd. 45 Rh. 47 Ag Cs Ir. 78 Pt.

K. 27 Co. 28 Ni. 29 Cu Rb. 46 Pd. 45 Rh. 47 Ag Cs Ir. 78 Pt. 1 IA 1 H Hydrogen 1.01 Atomic number Element symbol Element name Atomic mass VIIIA 1 H 1.01 IIA IIIA IVA VA VIA VIIA 2 He 4.00 Metalloids 3 Li 6.94 4 Be 9.01 5 B 10.81 6 C 12.01 7 N 14.01 8 O 16.00 9 F

More information

Last 4 Digits of USC ID:

Last 4 Digits of USC ID: Chemistry 05 B Practice Exam Dr. Jessica Parr First Letter of last Name PLEASE PRINT YOUR NAME IN BLOCK LETTERS Name: Last 4 Digits of USC ID: Lab TA s Name: Question Points Score Grader 8 2 4 3 9 4 0

More information

K. 27 Co. 28 Ni. 29 Cu Rb. 46 Pd. 45 Rh. 47 Ag Cs Ir. 78 Pt.

K. 27 Co. 28 Ni. 29 Cu Rb. 46 Pd. 45 Rh. 47 Ag Cs Ir. 78 Pt. 1 IA 1 ydrogen 1.01 Atomic number Element symbol Element name Atomic mass VIIIA 1 1.01 IIA IIIA IVA VA VIA VIIA 2 e 4.00 Metalloids 3 Li 6.94 4 Be 9.01 5 B 10.81 6 C 12.01 7 N 14.01 8 O 16.00 9 F 19.00

More information

Chem 102H Exam 2 - Spring 2005

Chem 102H Exam 2 - Spring 2005 Name I.D. # Chem 102H Exam 2 - Spring 2005 PHYSICAL CNSTANTS/CNVERSIN FACTRS Speed of light = 3.00! 10 8 m/s Planck!s const. = 6.63! 10-34 J s Avagadro!s Number = 6.02! 10 23 Electron charge = 1.602! 10-19

More information

02/05/09 Last 4 Digits of USC ID: Dr. Jessica Parr

02/05/09 Last 4 Digits of USC ID: Dr. Jessica Parr Chemistry 05 B First Letter of PLEASE PRINT YOUR NAME IN BLOCK LETTERS Exam last Name Name: 02/05/09 Last 4 Digits of USC ID: Dr. Jessica Parr Lab TA s Name: Question Points Score Grader 2 2 9 3 9 4 2

More information

BROOKLYN COLLEGE Department of Chemistry. Chemistry 1 Second Lecture Exam Nov. 27, Name Page 1 of 5

BROOKLYN COLLEGE Department of Chemistry. Chemistry 1 Second Lecture Exam Nov. 27, Name Page 1 of 5 BROOKLYN COLLEGE Department of Chemistry Chemistry 1 Second Lecture Exam Nov. 27, 2002 Name Page 1 of 5 Circle the name of your lab instructor Kobrak, Zhou, Girotto, Hussey, Du Before you begin the exam,

More information

8. Relax and do well.

8. Relax and do well. CHEM 1314.03 Exam II KEY ohn II. Gelder October 23, 1997 Name TA's Name Lab Section INSTRUCTIONS: 1. This examination consists of a total of 9 different pages. The last four pages include a periodic table,

More information

CHEM 130 Exp. 8: Molecular Models

CHEM 130 Exp. 8: Molecular Models CHEM 130 Exp. 8: Molecular Models In this lab, we will learn and practice predicting molecular structures from molecular formulas. The Periodic Table of the Elements IA 1 H IIA IIIA IVA VA VIA VIIA 3 5

More information

HANDOUT SET GENERAL CHEMISTRY I

HANDOUT SET GENERAL CHEMISTRY I HANDOUT SET GENERAL CHEMISTRY I Periodic Table of the Elements 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 IA VIIIA 1 2 H He 1.00794 IIA IIIA IVA VA VIA VIIA 4.00262 3 Li 6.941 11 Na 22.9898

More information

CHM 101 PRACTICE TEST 1 Page 1 of 4

CHM 101 PRACTICE TEST 1 Page 1 of 4 CHM 101 PRACTICE TEST 1 Page 1 of 4 Please show calculations (stuffed equations) on all mathematical problems!! On the actual test, "naked answers, with no work shown, will receive no credit even if correct.

More information

Chem 401 Unit 2 Exam Spr 2018 (Acids/ Bases/ General Equilibria /Acid-Base Equilibria)

Chem 401 Unit 2 Exam Spr 2018 (Acids/ Bases/ General Equilibria /Acid-Base Equilibria) Name: Date: Exam #: _ Chem 401 Unit 2 Exam Spr 2018 (Acids/ Bases/ General Equilibria /Acid-Base Equilibria) Multiple Choice Identify the letter of the choice that best completes the statement or answers

More information

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start.

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start. Name: Lab Day and Time: Instructions 1. Do not open the exam until you are told to start. 2. This exam is closed note and closed book. You are not allowed to use any outside material while taking this

More information

The Periodic Table of the Elements

The Periodic Table of the Elements The Periodic Table of the Elements All matter is composed of elements. All of the elements are composed of atoms. An atom is the smallest part of an element which still retains the properties of that element.

More information

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start. Page # Points possible Points awarded

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start. Page # Points possible Points awarded Name: Lab Day and Time: Instructions 1. Do not open the exam until you are told to start. 2. This exam is closed note and closed book. You are not allowed to use any outside material while taking this

More information

Faculty of Natural and Agricultural Sciences Chemistry Department. Semester Test 1. Analytical Chemistry CMY 283. Time: 120 min Marks: 100 Pages: 6

Faculty of Natural and Agricultural Sciences Chemistry Department. Semester Test 1. Analytical Chemistry CMY 283. Time: 120 min Marks: 100 Pages: 6 Faculty of Natural and Agricultural Sciences Chemistry Department Semester Test 1 Analytical Chemistry CMY 283 Date: 5 September 2016 Lecturers : Prof P Forbes, Dr Laurens, Mr SA Nsibande Time: 120 min

More information

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start.

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start. Name: Lab Day and Time: Instructions 1. Do not open the exam until you are told to start. 2. This exam is closed note and closed book. You are not allowed to use any outside material while taking this

More information

M10/4/CHEMI/SPM/ENG/TZ2/XX+ CHEMISTRY. Wednesday 12 May 2010 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES

M10/4/CHEMI/SPM/ENG/TZ2/XX+ CHEMISTRY. Wednesday 12 May 2010 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES M10/4/CHEMI/SPM/ENG/TZ/XX+ 106116 CHEMISTRY standard level Paper 1 Wednesday 1 May 010 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES Do not open this examination paper until instructed to do so. Answer

More information

CHEM 167 FINAL EXAM MONDAY, MAY 2 9:45 11:45 A.M GILMAN HALL

CHEM 167 FINAL EXAM MONDAY, MAY 2 9:45 11:45 A.M GILMAN HALL PROF. JOHN VERKADE SPRING 2005 THIS EXAM CONSISTS OF 12 QUESTIONS ON 9 PAGES CHEM 167 HOUR EXAM IV APRIL 20, 2005 SEAT NO. NAME RECIT. INSTR. RECIT. SECT. GRADING PAGE Page 2 Page 3 Page 4 Page 5 Page

More information

CHEM Come to the PASS workshop with your mock exam complete. During the workshop you can work with other students to review your work.

CHEM Come to the PASS workshop with your mock exam complete. During the workshop you can work with other students to review your work. It is most beneficial to you to write this mock midterm UNDER EXAM CONDITIONS. This means: Complete the midterm in 1.5 hours. Work on your own. Keep your notes and textbook closed. Attempt every question.

More information

(C) Pavel Sedach and Prep101 1

(C) Pavel Sedach and Prep101 1 (C) Pavel Sedach and Prep101 1 (C) Pavel Sedach and Prep101 1 (C) Pavel Sedach and Prep101 2 (C) Pavel Sedach and Prep101 2 (C) Pavel Sedach and Prep101 3 (C) Pavel Sedach and Prep101 3 (C) Pavel Sedach

More information

Chemistry 1 First Lecture Exam Fall Abbasi Khajo Levine Mathias Mathias/Ortiz Metlitsky Rahi Sanchez-Delgado Vasserman

Chemistry 1 First Lecture Exam Fall Abbasi Khajo Levine Mathias Mathias/Ortiz Metlitsky Rahi Sanchez-Delgado Vasserman Chemistry 1 First Lecture Exam Fall 2011 Page 1 of 9 NAME Circle the name of your recitation/lab instructor(s) Abbasi Khajo Levine Mathias Mathias/Ortiz Metlitsky Rahi Sanchez-Delgado Vasserman Before

More information

CMSC 313 Lecture 17 Postulates & Theorems of Boolean Algebra Semiconductors CMOS Logic Gates

CMSC 313 Lecture 17 Postulates & Theorems of Boolean Algebra Semiconductors CMOS Logic Gates CMSC 313 Lecture 17 Postulates & Theorems of Boolean Algebra Semiconductors CMOS Logic Gates UMBC, CMSC313, Richard Chang Last Time Overview of second half of this course Logic gates &

More information

Partial Periodic Table of the Elements

Partial Periodic Table of the Elements Name (print clearly) Seat number Quiz 3 (100 points) Chemistry 1303.002 September 12, 2018 1. (15 points) One of the following reactions will occur, one will not. Determine which one occurs and then a.

More information

Chemistry 2 Exam Roane State Academic Festival. Name (print neatly) School

Chemistry 2 Exam Roane State Academic Festival. Name (print neatly) School Name (print neatly) School There are fifteen question on this exam. Each question is weighted equally. n the answer sheet, write your name in the space provided and your answers in the blanks provided.

More information

Faculty of Natural and Agricultural Sciences Chemistry Department. Semester Test 1 MEMO. Analytical Chemistry CMY 283

Faculty of Natural and Agricultural Sciences Chemistry Department. Semester Test 1 MEMO. Analytical Chemistry CMY 283 Faculty of Natural and Agricultural Sciences Chemistry Department Semester Test 1 MEMO Analytical Chemistry CMY 283 Date: 5 September 2016 Lecturers : Prof P Forbes, Dr Laurens, Mr SA Nsibande Time: 90

More information

CHEM 108 (Spring-2008) Exam. 3 (105 pts)

CHEM 108 (Spring-2008) Exam. 3 (105 pts) CHEM 08 (Spring-008) Exam. (05 pts) Name: --------------------------------------------------------------------------, CLID # -------------------------------- LAST NAME, First (Circle the alphabet segment

More information

Chapter 12 The Atom & Periodic Table- part 2

Chapter 12 The Atom & Periodic Table- part 2 Chapter 12 The Atom & Periodic Table- part 2 Electrons found outside the nucleus; negatively charged Protons found in the nucleus; positive charge equal in magnitude to the electron s negative charge Neutrons

More information

The Periodic Table. Periodic Properties. Can you explain this graph? Valence Electrons. Valence Electrons. Paramagnetism

The Periodic Table. Periodic Properties. Can you explain this graph? Valence Electrons. Valence Electrons. Paramagnetism Periodic Properties Atomic & Ionic Radius Energy Electron Affinity We want to understand the variations in these properties in terms of electron configurations. The Periodic Table Elements in a column

More information

Chemistry 185 Exam #2 - A November 5, Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start.

Chemistry 185 Exam #2 - A November 5, Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start. Name: Lab Day and Time: Instructions 1. Do not open the exam until you are told to start. 2. This exam is closed note and closed book. You are not allowed to use any outside material while taking this

More information

CLASS TEST GRADE 11. PHYSICAL SCIENCES: CHEMISTRY Test 4: Matter and materials 1

CLASS TEST GRADE 11. PHYSICAL SCIENCES: CHEMISTRY Test 4: Matter and materials 1 CLASS TEST GRADE PHYSICAL SCIENCES: CHEMISTRY Test 4: Matter and materials MARKS: 45 TIME: hour INSTRUCTIONS AND INFORMATION. Answer ALL the questions. 2. You may use non-programmable calculators. 3. You

More information

Ch. 9 NOTES ~ Chemical Bonding NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics.

Ch. 9 NOTES ~ Chemical Bonding NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics. Ch. 9 NOTES ~ Chemical Bonding NOTE: Vocabulary terms are in boldface and underlined. Supporting details are in italics. I. Review: Comparison of ionic and molecular compounds Molecular compounds Ionic

More information

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start.

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start. Name: Lab Day and Time: Instructions 1. Do not open the exam until you are told to start. 2. This exam is closed note and closed book. You are not allowed to use any outside material while taking this

More information

ORBITAL DIAGRAM - A graphical representation of the quantum number "map" of electrons around an atom.

ORBITAL DIAGRAM - A graphical representation of the quantum number map of electrons around an atom. 178 (MAGNETIC) SPIN QUANTUM NUMBER: "spin down" or "spin up" - An ORBITAL (region with fixed "n", "l" and "ml" values) can hold TWO electrons. ORBITAL DIAGRAM - A graphical representation of the quantum

More information

PERIODIC TABLE OF THE ELEMENTS

PERIODIC TABLE OF THE ELEMENTS Useful Constants and equations: K = o C + 273 Avogadro's number = 6.022 x 10 23 d = density = mass/volume R H = 2.178 x 10-18 J c = E = h = hc/ h = 6.626 x 10-34 J s c = 2.998 x 10 8 m/s E n = -R H Z 2

More information

Please print: + log [A- ] [HA]

Please print: + log [A- ] [HA] Please print: Last name: First name: Chem 1062 Exam 3 Spring 2005 Andy Aspaas, Instructor Thursday, April 7, 2005 Equations: K c = [C]c [D] d [A] a [B] b ph =! log[h 3 O + ] poh =! log[oh! ] ph + poh =

More information

CHEM 107 (Spring-2004) Exam 2 (100 pts)

CHEM 107 (Spring-2004) Exam 2 (100 pts) CHEM 107 (Spring-2004) Exam 2 (100 pts) Name: ------------------------------------------------------------------------, SSN -------------------------------- LAST NAME, First (Circle the alphabet segment

More information

Circle ONLY the LETTER of your answer.

Circle ONLY the LETTER of your answer. hemistry 1304 Name (please print) Exam 5 (105 points) May 3, 2017 n my honor, I have neither given nor received unauthorized aid on this exam. Signed Date ircle NLY the LETTER of your answer. 1. (3 points)

More information

Oregon State University, Summer 2009 Chemistry 121 Midterm Exam 2, July 3rd, 10 am

Oregon State University, Summer 2009 Chemistry 121 Midterm Exam 2, July 3rd, 10 am Oregon State University, Summer 2009 Chemistry 121 Midterm Exam 2, July 3rd, 10 am DO NOT OPEN THIS EXAM UNTIL INSTRUCTED. CALCULATORS ARE NOT TO BE SHARED. Instructions : You should have with you several

More information

E5 Lewis Acids and Bases: lab 2. Session two lab Parts 2B, 3, and 4. Session one lab Parts 1and 2A. Aquo Complex Ions. Aquo Complex Ion Reactions

E5 Lewis Acids and Bases: lab 2. Session two lab Parts 2B, 3, and 4. Session one lab Parts 1and 2A. Aquo Complex Ions. Aquo Complex Ion Reactions E5 Lewis Acids and Bases: lab 2 Session one lab Parts 1and 2A Part 2B. Complexation, Structure and Periodicity Compare the reactivity of aquo complex ions containing pre-transition, transition, and post-transition

More information

Marks for each question are as indicated in [] brackets.

Marks for each question are as indicated in [] brackets. Name Student Number CHEMISTRY 140 FINAL EXAM December 10, 2002 Numerical answers must be given with appropriate units and significant figures. Please place all answers in the space provided for the question.

More information

CHEMICAL COMPOUNDS MOLECULAR COMPOUNDS

CHEMICAL COMPOUNDS MOLECULAR COMPOUNDS 48 CHEMICAL COMPOUNDS - Dalton's theory does not mention this, but there is more than one way for atoms to come together to make chemical compounds! - There are TWO common kinds of chemical compound, classified

More information

E5 Lewis Acids and Bases: lab 2. Session two lab Parts 2B, 3, and 4. Session one lab Parts 1and 2A. Aquo Complex Ions

E5 Lewis Acids and Bases: lab 2. Session two lab Parts 2B, 3, and 4. Session one lab Parts 1and 2A. Aquo Complex Ions E5 Lewis Acids and Bases: lab 2 Session one lab Parts 1and 2A Session two lab Parts 2B, 3, and 4 Part 2B. Complexation, Structure and Periodicity Compare the reactivity of aquo complex ions containing

More information

Halogens HALOGENS. Parts 2A and 2B. Chem : Feb. 19, 20 and March 3. Compare the properties and reactivity of the halogens and halides

Halogens HALOGENS. Parts 2A and 2B. Chem : Feb. 19, 20 and March 3. Compare the properties and reactivity of the halogens and halides Chem. 125-126: Feb. 19, 20 and March 3 Experiment 3 Session 2 (Three hour lab) Complete Experiment 3 Parts 2B and 3 Complete team report Complete discussion presentation Parts 2A and 2B Compare the properties

More information

CHEM 171 EXAMINATION 1. October 9, Dr. Kimberly M. Broekemeier. NAME: Key

CHEM 171 EXAMINATION 1. October 9, Dr. Kimberly M. Broekemeier. NAME: Key CHEM 171 EXAMINATION 1 October 9, 008 Dr. Kimberly M. Broekemeier NAME: Key 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 gase s 1 H 1.008 Li.941 11 Na.98 19 K 9.10 7

More information

CHEM 107 (Spring-2005) Exam 3 (100 pts)

CHEM 107 (Spring-2005) Exam 3 (100 pts) CHEM 107 (Spring-2005) Exam 3 (100 pts) Name: ------------------------------------------------------------------------, Clid # ------------------------------ LAST NAME, First (Circle the alphabet segment

More information

Instructions. 1. Do not open the exam until you are told to start.

Instructions. 1. Do not open the exam until you are told to start. Name: Lab Day and Time: Instructions 1. Do not open the exam until you are told to start. 2. This exam is closed note and closed book. You are not allowed to use any outside material while taking this

More information

Experiment Three. Lab two: Parts 2B and 3. Halogens used in Parts 2 and 3. Lab one: Parts 1 and 2A. Halogens (Family VIIA) used in Parts 2 and 3

Experiment Three. Lab two: Parts 2B and 3. Halogens used in Parts 2 and 3. Lab one: Parts 1 and 2A. Halogens (Family VIIA) used in Parts 2 and 3 Experiment Three Lab one: Parts 1 and 2A Lab two: Parts 2B and 3 1 1A 1 H 1s 1 2 IIA 3 Li 2s 1 1 1 Na 3s 1 1 9 K 4s 1 3 7 Rb 5s 1 5 5 Cs 6s 1 8 7 Fr 7s 1 4 Be 2s 2 1 2 Mg 3s 2 3 IIIB 4 IVB 5 VB 6 VIB 7

More information

CHEMICAL COMPOUNDS MOLECULAR COMPOUNDS

CHEMICAL COMPOUNDS MOLECULAR COMPOUNDS 48 CHEMICAL COMPOUNDS - Dalton's theory does not mention this, but there is more than one way for atoms to come together to make chemical compounds! - There are TWO common kinds of chemical compound, classified

More information

If anything confuses you or is not clear, raise your hand and ask!

If anything confuses you or is not clear, raise your hand and ask! CHM 1045 Dr. Light s Section December 10, 2002 FINAL EXAM Name (please print) Recitation Section Meeting Time This exam consists of six pages. Make sure you have one of each. Print your name at the top

More information

VIIIA H PREDICTING CHARGE

VIIIA H PREDICTING CHARGE 58 IA PREDICTING CHARGE VIIIA H IIA IIIA IVA VA VIA VIIA You can reliably determine the charge using our method for Groups IA, IIA, IIIB, Aluminum, and the Group VA, VIA, and VIIA NONMETALS Li Be B C N

More information

NAME: FIRST EXAMINATION

NAME: FIRST EXAMINATION 1 Chemistry 64 Winter 1994 NAME: FIRST EXAMINATION THIS EXAMINATION IS WORTH 100 POINTS AND CONTAINS 4 (FOUR) QUESTIONS THEY ARE NOT EQUALLY WEIGHTED! YOU SHOULD ATTEMPT ALL QUESTIONS AND ALLOCATE YOUR

More information

M11/4/CHEMI/SPM/ENG/TZ2/XX CHEMISTRY STANDARD LEVEL PAPER 1. Monday 9 May 2011 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES

M11/4/CHEMI/SPM/ENG/TZ2/XX CHEMISTRY STANDARD LEVEL PAPER 1. Monday 9 May 2011 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES M11/4/CHEMI/SPM/ENG/TZ/XX 116116 CHEMISTRY STANDARD LEVEL PAPER 1 Monday 9 May 011 (afternoon) 45 minutes INSTRUCTIONS TO CANDIDATES Do not open this examination paper until instructed to do so. Answer

More information

Chemistry 1 Second Lecture Exam Fall Abbasi Khajo Kruft Levine Mathias Mathias/Ortiz Metlitsky Rahi Sanchez-Delgado Vasserman

Chemistry 1 Second Lecture Exam Fall Abbasi Khajo Kruft Levine Mathias Mathias/Ortiz Metlitsky Rahi Sanchez-Delgado Vasserman Page 1 of 9 Chemistry 1 Second Lecture Exam Fall 2011 Name Circle the name of your recitation/lab instructor(s) Abbasi Khajo Kruft Levine Mathias Mathias/Ortiz Metlitsky Rahi Sanchez-Delgado Vasserman

More information

Chapter 3: Stoichiometry

Chapter 3: Stoichiometry Chapter 3: Stoichiometry Chem 6A Michael J. Sailor, UC San Diego 1 Announcements: Thursday (Sep 29) quiz: Bring student ID or we cannot accept your quiz! No notes, no calculators Covers chapters 1 and

More information

Chemistry 431 Practice Final Exam Fall Hours

Chemistry 431 Practice Final Exam Fall Hours Chemistry 431 Practice Final Exam Fall 2018 3 Hours R =8.3144 J mol 1 K 1 R=.0821 L atm mol 1 K 1 R=.08314 L bar mol 1 K 1 k=1.381 10 23 J molecule 1 K 1 h=6.626 10 34 Js N A = 6.022 10 23 molecules mol

More information

Part 2. Multiple choice (use answer card). 90 pts. total. 3 pts. each.

Part 2. Multiple choice (use answer card). 90 pts. total. 3 pts. each. 1 Exam I CHEM 1303.001 Name (print legibly) Seat no. On my honor, I have neither given nor received unauthorized aid on this exam. Signed Date Part 1. Nomenclature. 10 pts. total. 2 pts. each. Fill in

More information

ph = - log [H3O+] Example: ph 7 = - log [ 1 x 10-7] [H3O+] = mole/liter units ph values are unitless

ph = - log [H3O+] Example: ph 7 = - log [ 1 x 10-7] [H3O+] = mole/liter units ph values are unitless E4 Acids, Bases, and Salts Oct. 1517 and Oct. 2728* Session One of two session lab Complete Parts 1 and 2 in lab. Part 1. Structure and AcidBase Properties Q. Are properties of a compound predictable from

More information

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start.

Lab Day and Time: Instructions. 1. Do not open the exam until you are told to start. Name: Lab Day and Time: Instructions 1. Do not open the exam until you are told to start. 2. This exam is closed note and closed book. You are not allowed to use any outside material while taking this

More information

Grade 11 Science Practice Test

Grade 11 Science Practice Test Grade 11 Science Practice Test Nebraska Department of Education 2012 Directions: On the following pages of your test booklet are multiple-choice questions for Session 1 of the Grade 11 Nebraska State Accountability

More information

Atomic Emission Spectra. and. Flame Tests. Burlingame High School Chemistry

Atomic Emission Spectra. and. Flame Tests. Burlingame High School Chemistry Atomic Structure Atomic Emission Spectra and Flame Tests Flame Tests Sodium potassium lithium When electrons are excited they bump up to a higher energy level. As they bounce back down they release energy

More information

Example: If a simple ionic compound is made of these two ions, what is its formula? In the final formula, don't write the charges on the ions!

Example: If a simple ionic compound is made of these two ions, what is its formula? In the final formula, don't write the charges on the ions! 88 WRITING AN IONIC FORMULA - if you know the ions that make up a compound, all you need to do is find the smallest ratio of cation to anion the compound needs to have an overall charge of zero Example:

More information

PDF created with pdffactory trial version A) mol Answer: moles FeS 2 8 mol SO 2 /4 mol FeS 2 = mol SO 2.

PDF created with pdffactory trial version   A) mol Answer: moles FeS 2 8 mol SO 2 /4 mol FeS 2 = mol SO 2. Part A. [2 points each] For each question, circle the letter of the one correct answer and enter the answer on the TEST SCORING SHEET in pencil only. The TEST SCORING ANSWER SHEET will be considered final.

More information

PHYSICAL SCIENCES GRADE : 10

PHYSICAL SCIENCES GRADE : 10 PHYSICAL SCIENCES GRADE : 0 TIME : hour TOTAL : 75 INSTRUCTIONS AND INFORMATION. Write your full name on your answer book in the appropriate place. 2. The question paper consists of SEVEN questions. Answer

More information

-"l" also contributes ENERGY. Higher values for "l" mean the electron has higher energy.

-l also contributes ENERGY. Higher values for l mean the electron has higher energy. 175 - Giving the four parameters will uniquely identify an electron around an atom. No two electrons in the same atom can share all four. These parameters are called QUANTUM NUMBERS. PRINCIPAL QUANTUM

More information

Atoms and the Periodic Table

Atoms and the Periodic Table Atoms and the Periodic Table Parts of the Atom Proton Found in the nucleus Number of protons defines the element Charge +1, mass 1 Parts of the Atom Neutron Found in the nucleus Stabilizes the nucleus

More information