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General Chemistry I Homework Problems for Problem Sessions, Assignments of Art

Saint Louis Community College - MeramecArt

A list of homework problems for general chemistry i, as assigned by professor hauser. The problems are organized by chapter and include both regular problems and additional exercises. Students are encouraged to work through the problems in order and bring them to problem sessions for discussion.

Typology: Assignments

Pre 2010

Uploaded on 08/08/2009

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HOMEWORK PROBLEMS FOR PROBLEM SESSIONS
GENERAL CHEMISTRY I (Brown, Lemay, Bursten, Murphy, 11th edition)
Prof. Michael A. Hauser
revised 10/01/08
Assigned homework problems are listed below. Homework problems are located at the
end of each chapter. Note that each Chapter 1 problem starts with “1”, Chapter 2 starts
with “2”, etc. These prefixes are not listed below. Note that some homework assignments
include “Additional Exercises” written by your instructor, and these must be answered
also. These will appear in the homework list as AE (for "Additional Exercise") and these
problems can be found at the end of the homework list.
These assigned problems represent only a minimum sampling of problems you should be
able to solve. (You are certainly encouraged to work more of them.) You should work
these assigned problems in the order listed in this document so that it reflects the topic
order from lecture. The day prior to your scheduled Problem Session each week, you will
have a general idea of which homework problems to have completed based on what
topics were completed in lecture. The best approach is to work these problems in the
order given until you reach a problem that we clearly have not discussed yet. Stop there.
It is certainly OK to continue deeper into the list (the text reading will help), but further
problems will be covered at the following week's Problem Session.
The answers to the assigned problems will be discussed in Problem Session. You will not
turn in your work, but your instructor will explain the grading procedure for Problem
Sessions. IT IS EXTREMELY BENEFICIAL FOR YOU TO WORK ALL OF THESE
PROBLEMS ON PAPER AND HAVE THEM READY FOR PROBLEM SESSION!
Most of the problems in your text are written in pairs, and the answers to the odd
numbered (red) questions appear in the Appendix. Worked-out answers that show all
steps appear in the "Solutions to Red Exercises" manual available for purchase at the
bookstore. A copy of this manual will also be on reserve in the library for "in-library" use
only. If you choose to solve the even-numbered problems to check your mastery of the
material, your instructor has a copy of answers to all of the problems in the text – you can
check your answers with him.
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Download General Chemistry I Homework Problems for Problem Sessions and more Assignments Art in PDF only on Docsity!

GENERAL CHEMISTRY I (Brown, Lemay, Bursten, Murphy, 11 HOMEWORK PROBLEMS FOR PROBLEM SESSIONS th^ edition) Prof. Michael A. Hauser revised 10/01/ Assigned homework problems are listed below. Homework problems are located at the end of each chapter. Note that each Chapter 1 problem starts with “1”, Chapter 2 starts with “2”, etc. These prefixes are include “Additional Exercises” written by your instructor, and these must be answered not listed below. Note that some homework assignments also. These will problems can be found at the appear in the homework list as AE (for "Additional Exercise") and these end of the homework list.

These assigned problems represent only a minimum sampling of problems you should be able to solve. (You are certainly encouraged to work more of them.) You should work these assigned problems order from lecture. The day prior to your scheduled Problem Session each week, you will in the order listed in this document so that it reflects the topic have a general idea of which homewor topics were completed in lecture. The best approach is to work these problems in thek problems to have completed based on what order given until you reach a problem that we clearly have not discussed yet. Stop there. It is certainly OK to continue deeper into the list (the text reading will help), but further problems will be covered at the following week's Problem Session. The answers to the assigned problems will be discussed in Problem Session. You will not turn in your work, but your instructor will explain the grading procedure for Problem Sessions. IT IS EXTREMELY BENEFICIAL FOR YOU TO WORK ALL OF THESE PROBLEMS ON PAPER AND HAVE THEM READY FOR PROBLEM SESSION!

Most of the problems in your text are written in pairs, and the answers to the odd numbered (red) questions appear in the Appendix. Worked-out answers that show all steps appear in the "Solutions to Red Exercises" manual available for purchase at the bookstore. A copy of this manual will also be on reserve in the library for "in-library" use only. If you choose to solve the even material, your instructor has a copy of answers to-numbered problems to check your mastery of the all of the problems in the text – you can check your answers with him.

continued on other side

CHAPTER 19 1

25 a b c 35 37 a b c 39 27 c 8 AE #1 (see last page of this handout) 43 a b c d f 45 f CHAPTER 2 79 b c d (^2127) (^4931) 53 (omit "a") 63 (^65) 67 a b c d f (^9871) 73 a b c 104 c e CHAPTER 3 11 d e f 13 b c 19 continued in next column

23 a 33 a b 45 c 46 c 49 a 57 71 omit 3rd part of quest 77 CHAPTER 4 5 (^719) (^2124) (^3943) (^45) 49 a b c d 51 a b AE # AE #3 61 67 b 69 a 73 a 81 a b CHAPTER 5 41 a b 43 a b continued in next column

(^69) 71 c CHAPTER 6 9 (^1117) 21 a b 25 a (^31) AE # (^4990) (^5153) AE #5 5 5 any orientation is OK 57 a 63 67 (skip e) 69 a c e (^7173) AE # next chapter starts on next page CHAPTER 7

ADDITIONAL EXERCISES #1 foll (^) owing "mixed operation":Calculate the result for the 19.667 – (5.4 X 0.916) #2 and identify whether or not a REDOX Examine the following reactions (oxidation occurred.-reduction) reaction has If REDOX following: has occurred, report the

    • the atom oxidizedthe atom reduced
    • the oxidizing agentthe reducing agent A) SiCL 4 + 2 Mg  2 MgCL 2 + Si B) SiCL 4 + 2 H 2 O  4 HCL + SiO 2 #3 Use the Activity Series (Table 4.5) to predict the outcome (if any) of each of the following reactions: a) Cr (s) + 3 AgNO 3  b) Fe (s) + Mn+2^  #4 What information does the of the wavefunction give? square #5 Determine whether the following sets of quantum numbers are allowed or explain what is “wrong” with the not allowed. If a set is not allowed, given values. the “#-letter” code for that orbital. If a set is allowed, list n l ml ms a) b) 43 32 42 - +1/21/ c) d) 12 01 11 +1/2 1

#6 How many unpaired electrons are in the ground state of each of the following? a) the cobalt atom b) the tin atom c) the bromide ion #7 a) Draw three resonance forms (use For the ion NO 2 + nitrogen as central atom). b) Predict the geometry. c) atom. Predict the hybridization of the central

8 what is the maximum number of If a carbon atom is “sp” hybridized, π bonds

that this atom could be involved in? #9 For the following structure ..... C C^ C C^ C H H^ H^ H^ H

H

H

H

  • hybridized?How many atoms atoms are sp^2
  • carbon atoms exist in this structure?How many pi (π) bonds between two #10 and 66 (^) °An ideal gas originally at 0.85 atmC was allowed to expand until its final conditions were a volume of 94 mL, pressure of 0.60 atm, and temperature of (^45) gas? °C. What was the initial volume of the #11 equation, what volume of oxygen gas Based on the following balanced would be expected of 27.8 grams of KCLO from complete reaction 3 at STP? 2 KCLO 3 (s) ⇒ 2 KCL (s) + 3 O 2 (g) next problem appears on next page

#12 effusion of a molecule of oxygen and Compare the relative rate of a molecule of xenon. Which gas travels faster? How much faster?

#13 required to convert 746 gram of water Calculate the kJ of heat at 100 °C to steam. #14 point in the United States (280 feet Death Valley is the lowest below sea level). Would you expect the atmospheric pressure in Death Valley to be grea atmospheric pressure in St. Louis?ter or less than the EXPLAIN how the pressure in Death Valley would affect the boiling point of a liquid. #15 a much higher boiling point than Methyl alcohol (CH 3 OH) has methane (CH forces to explai 4 ). Use intermolecularn this large difference in boiling point. #16 have the higher boiling point, carbon Which would you expect to dioxide (CO (CH 3 CN)? The acetonitrile has the 2 ) or acetonitrile basic backbone of C should draw the Lewis Structure. Use - C - N; you intermolecu answer. lar forces to explain your

"ADDITIONAL EXERCISES"^ END OF