Chm 1030 unit v problem solving

Course Syllabus

Course Description

Introduces core chemical concepts to help the student acquire a long-term, meaningful understanding of the basic principles and relevant connections to those principles operating in everyday life.

Course Textbook(s)

Brown, T. L., LeMay, H. E., Jr., Bursten, B. E., Murphy, C. J., Woodward, P. M., & Stoltzfus. M. W. (with Lufasto, M. W.) (2018). Chemistry: The central science (14th ed.). New York, NY: Pearson.

Additional Required Course Material(s)

See each Unit Study Guide for additional required course material(s).

Course Learning Outcomes

Upon completion of this course, students should be able to:

1. Describe the states of matter, their properties, and the effect of chemical measurements on chemical calculations. 2. Utilize the correct units of measurement in calculations to represent mass, length, temperature, volume, density, and

energy. 3. Analyze Dalton's atomic theory with respect to the structure of the atom. 4. Describe the organization of the periodic table, and compare and contrast properties of the main group elements. 5. Relate the properties of the transition elements to the formation of coordination compounds. 6. Solve chemical problems relating to stoichiometry, and differentiate between various types of chemical reactions. 7. Summarize the applications of various gas laws and the kinetic molecular theory. 8. Analyze the various theories of chemical bonding, and compare and contrast ionic and covalent bonds. 9. Determine the orbital configuration for each element and describe the use of electron configurations to explain the

internal energy of an element. 10. Name chemical compounds, write chemical formulas, and balance chemical equations. 11. Define and determine the implications of the first law of thermodynamics and the law of conservation of energy. 12. Calculate the concentration of a solution using molarity, mole fraction, and mass percent. 13. Apply the laws of thermodynamics to evaluate reaction heat changes qualitatively and quantitatively. 14. Derive and discuss the three-dimensional structure of simple molecules.

Prerequisite(s)

MAT 1302 - Algebra I or equivalent

Credits

Upon completion of this course, the students will earn 3 hours of college credit.

CSU Online Library

The CSU Online Library is available to support your courses and programs. The online library includes databases, journals,

CHM 1030, General Chemistry I

CHM 1030, General Chemistry I 1

e-books, and research guides. These resources are always accessible and can be reached through the library web page. To access the library, log into the myCSU Student Portal, and click on “CSU Online Library.” You can also access the CSU Online Library from the “My Library” button on the course menu for each course in Blackboard.

The CSU Online Library offers several reference services. E-mail (library@columbiasouthern.edu) and telephone (1.877.268.8046) assistance is available Monday – Thursday from 8 a.m. to 5 p.m. and Friday from 8 a.m. to 3 p.m. The library’s chat reference service, Ask a Librarian, is available 24/7; look for the chat box on the online library page.

Librarians can help you develop your research plan or assist you in finding relevant, appropriate, and timely information. Reference requests can include customized keyword search strategies, links to articles, database help, and other services.

LibGuides

Think of a LibGuide (a Library Guide) as a mini-website to help you with your assignments. It has relevant information such as databases, e-books, and websites specific to your courses. If you have any questions, please reach out to your friendly library staff.

Click here for the LibGuide for this course.

Unit Assignments

Unit I Problem Solving

Find the answers to the following problems by providing line-by-line (step-by-step) solutions for each applicable question. You must show your work for questions 1-4 to get full credit for each question. Each question is worth 20 points. Please be sure to include the appropriate units as part of your final answer.

1. Mercury, the only metal that exists as a liquid at room temperature, melts at 234.3 K. Convert this melting point to degrees Celsius.

2. Mercury has a boiling point of 356.58°C. Convert this temperature to degrees Fahrenheit. 3. Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder

weighs 306.0 g. From this information, calculate the density of mercury, in grams per cubic centimeter. 4. What is the density of mercury in pounds per cubic inch (lb/in3)? 1 lb = 454g, 1 in= 2.54 cm. 5. What are some of the physical and chemical properties of Mercury? Mention at least two of each.

Unit V Problem Solving

In the ionic compounds LiF, NaCl, KBr, and RbI, the measured cation–anion distances are 2.01 Å (Li–F), 2.82 Å (Na-Cl), 3.30 Å (K–Br), and 3.67 Å (Rb–I), respectively.

1. Predict the cation-anion distance of each ionic compound above using the values of ionic radii given in Figure 7.8 on page 266 in the textbook. To receive full credit, you must show how you predicted the distance for each molecule by providing a step-by-step solution for each molecule. The solution for each molecule is worth 8 points; thus, a total of 32 total points is possible for this question.

2. Calculate the difference between the experimentally measured ion-ion distances provided at the beginning of this assignment and the ones you have predicted in problem 1. You must show how you calculated the difference for each molecule by providing a step-by-step solution for each molecule to get full credit (6 points for each molecule; total possible points for this section is 24 points). Assuming that we have an accuracy of 0.04Å in the measurement, please indicate for each molecule if your predicted ion-ion distances are accurate or not accurate with respect to their experimental ion-ion distances (2 points for each molecule; total possible points for this section is 12 points). A total of 32 total points is possible for this question.

3. What estimates of the cation-anion distance would you obtain for these four compounds using their bonding atomic radii? (Note: these values are also in Figure 7.8 but are different from the ionic radii.) For each of the four compounds, calculate the difference between the predicted ionic bond distance, which you calculated in problem 1, and predicted atomic bond distances you calculated in this problem. To receive full credit, you must show how you calculated the difference for each molecule by providing a step-by step solution for each molecule (6 points for each molecule; total possible points for this section is 24 points). Again, assuming that we have an accuracy of 0.04Å in the measurement, indicate for each molecule if your predictions are less or more accurate using the atomic radii prediction method; explain your answer (2 points for each molecule; total points possible for this section is 8 points). Using your knowledge of atomic and ionic radii trends in the periodic table, why might one prediction method be more appropriate to use than the other in certain molecules (worth 4 points)? A total of 36 points is possible for this set of questions.

Unit VIII Problem Solving

Your book presents all of the formulas you will need to complete this assignment, except for the average molecular speed, shown below.

CHM 1030, General Chemistry I 2

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1. Let's show the formula for molecular speed at work. Provide a line-by-line solution for the molecular speed of each of the following five gases at 300K: CO, SF6, H2S, Cl2, HBr. You must show your work for each gas to get full credit (6 points for each gas). Finally, use these speeds to help place the five gases in order of increasing average molecular speed i.e. lowest to highest speeds (3 points).

2. Now let's calculate the rms speeds of CO and Cl2 gas by providing line-by-line solutions for each molecule. You must show your work for each gas to get full credit (16 points for each gas). Compare your calculated rms speeds of the CO and Cl2 molecules at 300 K by explaining any potential fundamental differences between the molecules (1 point).

3. The most probable speed formula behaves similarly to the molecular speed formula. Calculate the most probable speeds of the CO and Cl2 molecules by providing line-by-line solutions for each molecule. You must show your work for each gas to get full credit (16 points for each gas). Compare the molecular speeds of the CO and Cl2 molecules at 300 K by explaining any potential fundamental differences between the molecules (1 point). Finally, from your calculations what is the trend in similarities between rms speeds for CO and Cl2 and the most probable speeds for CO and Cl2 (1 point)?

APA Guidelines

The application of the APA writing style shall be practical, functional, and appropriate to each academic level, with the primary purpose being the documentation (citation) of sources. CSU requires that students use APA style for certain papers and projects. Students should always carefully read and follow assignment directions and review the associated grading rubric when available. Students can find The CSU Citation Guide by clicking here. This document includes examples and sample papers and provides information on how to contact the CSU Writing Center.

Grading Rubrics

This course utilizes analytic grading rubrics as tools for your professor in assigning grades for all learning activities. Each rubric serves as a guide that communicates the expectations of the learning activity and describes the criteria for each level of achievement. In addition, a rubric is a reference tool that lists evaluation criteria and can help you organize your efforts to meet the requirements of that learning activity. It is imperative for you to familiarize yourself with these rubrics because these are the primary tools your professor uses for assessing learning activities.

Rubric categories include (1) Journal, (2) Assessment (Written Response), and (3) Assignment. However, it is possible that not all of the listed rubric types will be used in a single course (e.g., some courses may not have Assessments).

The Journal rubric can be found within Unit I’s Journal submission instructions.

The Assessment (Written Response) rubric can be found embedded in a link within the directions for each Unit Assessment. However, these rubrics will only be used when written-response questions appear within the Assessment.

Each Assignment type (e.g., article critique, case study, research paper) will have its own rubric. The Assignment rubrics are built into Blackboard, allowing students to review them prior to beginning the Assignment and again once the Assignment has been scored. This rubric can be accessed via the Assignment link located within the unit where it is to be submitted. Students may also access the rubric through the course menu by selecting “Tools” and then “My Grades.”

Again, it is vitally important for you to become familiar with these rubrics because their application to your Journals, Assessments, and Assignments is the method by which your instructor assigns all grades.

Final Examination Guidelines

Final Exams are to be administered to students by an approved Proctor. CSU approves two flexible proctoring options: a standard Proctor, who is chosen by the student and approved by the university, or Remote Proctor Now (RP Now), an on- demand, third-party testing service that proctors examinations for a small fee.

Students choosing RP Now must have an operational webcam/video with audio, a high-speed Internet connection, and the appropriate system rights required to download and install software.

To review the complete Examination Proctor Policy, including a list of acceptable Proctors, Proctor responsibilities, Proctor approval procedures, and the Proctor Agreement Form, go to the myCSU Student Portal from the link below.

http://mycsu.columbiasouthern.edu

You are permitted four (4) hours to complete this exam in the presence of your approved Proctor. This is an open book exam. Only course textbooks, writing utensils, and a calculator, if necessary, are allowed when taking proctored exams.

CHM 1030, General Chemistry I 3

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You may use only your textbook as source material for your response. All source material must be referenced (paraphrased and quoted material must have accompanying citations). You may use the Publication Manual of the American Psychological Association (APA Style Guide) or the CSU Citation Guide for reference.

Communication Forums

These are nongraded discussion forums that allow you to communicate with your professor and other students. Participation in these discussion forums is encouraged but not required. You can access these forums with the buttons in the Course Menu. Instructions for subscribing/unsubscribing to these forums are provided below.

Once you have completed Unit VIII, you MUST unsubscribe from the forum; otherwise, you will continue to receive e-mail updates from the forum. You will not be able to unsubscribe after your course end date.

Click here for instructions on how to subscribe/unsubscribe and post to the Communication Forums.

Ask the Professor

This communication forum provides you with an opportunity to ask your professor general or course content questions. Questions may focus on Blackboard locations of online course components, textbook or course content elaboration, additional guidance on assessment requirements, or general advice from other students.

Questions that are specific in nature, such as inquiries regarding assessment/assignment grades or personal accommodation requests, are NOT to be posted on this forum. If you have questions, comments, or concerns of a non- public nature, please feel free to e-mail your professor. Responses to your post will be addressed or e-mailed by the professor within 48 hours.

Before posting, please ensure that you have read all relevant course documentation, including the syllabus, assessment/assignment instructions, faculty feedback, and other important information.

Student Break Room

This communication forum allows for casual conversation with your classmates. Communication on this forum should always maintain a standard of appropriateness and respect for your fellow classmates. This forum should NOT be used to share assessment answers.

Schedule/Grading

The following pages contain a printable Course Schedule to assist you through this course. By following this schedule, you will be assured that you will complete the course within the time allotted.

Unit I Introduction: Matter and Measurement [ Weight: 14.5%]

Read/View: Unit I Study Guide Chapter 1: Introduction: Matter, Energy, and Measurement

Submit: Unit I Assessment Unit I Problem Solving

7.5% 7%

Unit II Atoms, Molecules, and Ions [ Weight: 7.5% ]

Read/View: Unit II Study Guide Chapter 2: Atoms, Molecules, and Ions

Submit: Unit II Assessment 7.5%

Unit III Stoichiometry and Calculations [ Weight: 7.5% ]

Read/View: Unit III Study Guide Chapter 3: Chemical Reactions and Reaction Stoichiometry

Submit: Unit III Assessment 7.5%

CHM 1030, General Chemistry I 4

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Unit IV Reactions in Aqueous Solutions and Thermochemistry [ Weight: 7.5% ]

Read/View: Unit IV Study Guide Chapter 4: Reactions in Aqueous Solution Chapter 5: Thermochemistry

Submit: Unit IV Assessment 7.5%

Unit V Structure of Atoms and Periodic Properties of the Elements [ Weight: 14.5%]

Read/View: Unit V Study Guide Chapter 6: Electronic Structure of Atoms Chapter 7: Periodic Properties of the Elements

Submit: Unit V Assessment Unit V Problem Solving

7.5% 7%

Unit VI Basic Concepts of Chemical Bonding [ Weight: 7.5% ]

Read/View: Unit VI Study Guide Chapter 8: Basic Concepts of Chemical Bonding

Submit: Unit VI Assessment 7.5%

Unit VII Molecular Geometry and Bonding Theories [ Weight: 7.5% ]

Read/View: Unit VII Study Guide Chapter 9: Molecular Geometry and Bonding Theories

Submit: Unit VII Assessment 7.5%

Unit VIII Gases [ Weight: 33.5% ]

Read/View: Unit VIII Study Guide Chapter 10: Gases

Submit: Unit VIII Problem Solving Final Exam

7% 26.5%

CHM 1030, General Chemistry I 5

CHM 1030, General Chemistry I
Course Syllabus
Course Description
Course Textbook(s)
Additional Required Course Material(s)
Course Learning Outcomes
Prerequisite(s)
Credits
CSU Online Library
LibGuides
Unit Assignments
Unit I Problem Solving
Unit V Problem Solving
Unit VIII Problem Solving
APA Guidelines
Grading Rubrics
Final Examination Guidelines
Communication Forums
Schedule/Grading