M2: Exam - Requires Respondus
LockDown Browser + Webcam
Instructions
Please read the following before beginning the exam:
* You must show your work for calculations or give an explanation for short answer
questions in order to receive credit.
* You may only use the methods and explanations provided by this course for your
answers. The use of a method or explanation that was not taught in this course is a
violation of the Academic Integrity Policy.
* You MUST only use the Periodic Table provided within the exam.
¢ You MUST only use the equation bank that is provided within the exam.
® The use of printed versions of the Periodic Table and equation bank will be
considered a violation of the Academic Integrity Policy.
* Any equation or constant used on an exam that is not from the equation bank and is
different from the method taught in this course will be considered an outside source
and a violation of the Academic Integrity Policy.
¢ During module exams you may not use any outside source of information such
as the module, problem sets, notes, Internet, tutor, etc.
* You may ONLY copy and paste from within the exam itself, from the equation bank,
or from the provided calculator but not from an outside source.
e The only items you should have in front of you are your computer, 1-2 pieces of
blank scratch paper, a calculator (non-cell phone), and a pen/pencil.
Question 1
pts
You may find the following resources helpful:
Scientific Calculator
Periodic Table
Equation Tablelinks to an external site.
This study source was downloaded by 100000869856388 from CourseHero.com on 10-25-2023 20:31:16 GMT -05:00
https://www.coursehero.com/file/197567769/CHEM-103-Module-2-Examdocx/
, Show the calculation of the molecular weight for the following
compounds, reporting your answer to 2 places after the decimal.
1. Al(SO.);
2. C,H;NOBr
Your Answer:
1. Al =2x 26.98 = 53.96
S=3 x 32.07 = 96.21
O =12 x16.00 = 192
Total Molecular Weight for AR(SOL); = 342.17
2.C=7 % 12.01 = 84.07
H=5 x 1.008 = 5.04
N=1x 14,01 = 14.01
O=1 x 16.00 = 16.00
Br=1 x 79.90 = 79.90
Total Molecular Weight for C7/sNUBr = 199,02
1. 2Al + 35+ 120 = 342.17
2. 7C+5H+
N+ O+ Br=199.02
Question 2
8/ 10 pts
You may find the following resources helpful:
Scientific Calculator
Periodic Table
Equation Tablelinks to an external site.
Show the calculation of the number of moles in the given amount of the
following substances. Report your answer to 3 significant figures.
This study source was downloaded by 100000869856388 from CourseHero.com on 10-25-2023 20:31:16 GMT -05:00
https://www.coursehero.com/file/197567769/CHEM-103-Module-2-Examdocx/
LockDown Browser + Webcam
Instructions
Please read the following before beginning the exam:
* You must show your work for calculations or give an explanation for short answer
questions in order to receive credit.
* You may only use the methods and explanations provided by this course for your
answers. The use of a method or explanation that was not taught in this course is a
violation of the Academic Integrity Policy.
* You MUST only use the Periodic Table provided within the exam.
¢ You MUST only use the equation bank that is provided within the exam.
® The use of printed versions of the Periodic Table and equation bank will be
considered a violation of the Academic Integrity Policy.
* Any equation or constant used on an exam that is not from the equation bank and is
different from the method taught in this course will be considered an outside source
and a violation of the Academic Integrity Policy.
¢ During module exams you may not use any outside source of information such
as the module, problem sets, notes, Internet, tutor, etc.
* You may ONLY copy and paste from within the exam itself, from the equation bank,
or from the provided calculator but not from an outside source.
e The only items you should have in front of you are your computer, 1-2 pieces of
blank scratch paper, a calculator (non-cell phone), and a pen/pencil.
Question 1
pts
You may find the following resources helpful:
Scientific Calculator
Periodic Table
Equation Tablelinks to an external site.
This study source was downloaded by 100000869856388 from CourseHero.com on 10-25-2023 20:31:16 GMT -05:00
https://www.coursehero.com/file/197567769/CHEM-103-Module-2-Examdocx/
, Show the calculation of the molecular weight for the following
compounds, reporting your answer to 2 places after the decimal.
1. Al(SO.);
2. C,H;NOBr
Your Answer:
1. Al =2x 26.98 = 53.96
S=3 x 32.07 = 96.21
O =12 x16.00 = 192
Total Molecular Weight for AR(SOL); = 342.17
2.C=7 % 12.01 = 84.07
H=5 x 1.008 = 5.04
N=1x 14,01 = 14.01
O=1 x 16.00 = 16.00
Br=1 x 79.90 = 79.90
Total Molecular Weight for C7/sNUBr = 199,02
1. 2Al + 35+ 120 = 342.17
2. 7C+5H+
N+ O+ Br=199.02
Question 2
8/ 10 pts
You may find the following resources helpful:
Scientific Calculator
Periodic Table
Equation Tablelinks to an external site.
Show the calculation of the number of moles in the given amount of the
following substances. Report your answer to 3 significant figures.
This study source was downloaded by 100000869856388 from CourseHero.com on 10-25-2023 20:31:16 GMT -05:00
https://www.coursehero.com/file/197567769/CHEM-103-Module-2-Examdocx/
