Chem 103 module 2 Study guides, Class notes & Summaries
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update)
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) 
 
 
MODULE 1 EXAM 
Question 1	 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
1.	Convert 845.3 to exponential form and explain your answer. 
2.	Convert 3.21 x 10-5 to ordinary form and explain your answer. 
 
 
1.	Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places 
= 8.453 x 102 
2.	Convert 3.21 x 10-5 = negative exponent = smalle...
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PORTAGE LEARNING CHEM 121 MODULE 1 EXAM 2023 100% VERIFIED CORRECTLY.
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PORTAGE LEARNING CHEM 121 MODULE 1 EXAM 2023 100% VERIFIED CORRECTLY. 
 
CHEM 121 MODULE 1 EXAM 
 
 
Question 1	 
You may find the following resources helpful: Scientific Calculator (Links to an external site.) Periodic Table 
Equation Table 
 
 
Complete the two problems below: 
1.	Convert 1005.3 to exponential form and explain your answer. 
2.	Convert 4.87 x 10-6 to ordinary form and explain your answer. 
 
1.	Convert 1005.3 = larger than 1 = positive exponent, move decimal 3 places = 1.005...
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PORTAGE LEARNING CHEM 103 MODULE 2 EXAM 2023
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Show the calculation of the molecular weight for the following 
compounds, reporting your answer to 2 places after the decimal. 
1. (NH4)2CO3 
2. C8H6NO4Br
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CHEM 103 Module 1, 2, 3, 4, 5, 6 Exam (Latest-2023)/ CHEM103 Module 1, 2, 3, 4, 5, 6 Exam: General Chemistry II: Portage Learning |100% Correct Q & A|
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CHEM 103 Module 1, 2, 3, 4, 5, 6 Exam (Latest-2023)/ CHEM103 Module 1, 2, 3, 4, 5, 6 Exam: General Chemistry II: Portage Learning |100% Correct Q & A|
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CHEM 103 Module 2 Exam (General Chemistry) – Portage Learning WITH COMPLETE SOLUTION UPDATED 2023|2024 RATED A+
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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 
2 4 3 
7 5 
1. Al (SO ) 
Al = 2 x 26.98 = 53.96 
S = 3 x 32.07 = 96.21 
O = 12 x 16.00 = 192 
2 4 3 
M2: Exam - Requires Respondus LockDown Browser + Webcam: General Chemistry I w/Lab-2021- Kozminski 
3/18 
Total Molecular Weight for Al (SO ) = 342.17 
2. C H NOBr 
C = 7 x 12.01 = 84.07 
H = 5 x 1.008 = 5.04 
N = 1 x 14.01 = 14.01 
O = 1 x 16....
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Portage Learning / CHEM 103 / Module 1 to 6 Exam answers 2023|2024 UPDATED A+ RATED
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Click this link to access the Periodic Table. This may be helpful throughout 
the exam. 
1. Convert 845.3 to exponential form and explain your answer. 
2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 
1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places 
= 8.453 x 102 
2. Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 
places = 0. 
Question 2 
Click this link to access the Periodic Table. This may be helpful throughout 
the exam. ...
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Exam CHEM 103 Final Exam (Version-1, Latest-2023)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |100 % Correct Q & A|
- Exam (elaborations) • 34 pages • 2023
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Exam 
CHEM 103 Final Exam (Version-1, Latest-2023)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |100 % Correct Q & A| Exam 
CHEM 103 Final Exam (Version-1, Latest-2023)/ CHEM103 Final Exam / CHEM 103 General Chemistry Final Exam/ CHEM103 General Chemistry Final Exam: Portage Learning |100 % Correct Q & A| 
 ...
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CHEM 103 MODULE 2 EXAM 2022
- Exam (elaborations) • 7 pages • 2023
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CHEM 103 
MODULE 2 EXAM 2022 
Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
Show the calculation of the molecular weight for the following compounds, reporting your answer to 2 places after the decimal. 
1. Al2(CO3)3 
2. C8H6NO4Cl 
1. 2Al + 3C + 9O = 233.99 
2. 8C + 6H + N + 4O + Cl = 215.59 
Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
Show the calculation of the number of moles in the giv...
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CHEM 103 Module 1 Exam, CHEM 103 Module 2 Exam, CHEM 103 Module 3 Exam, CHEM 103 Module 4 Exam, CHEM 103 Module 5 Exam, CHEM 103 Module 6 Exam (Latest-2023): Portage Learning |100% Verified and Correct Q & A|
- Exam (elaborations) • 42 pages • 2023
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CHEM 103 Module 1 Exam, CHEM 103 Module 2 Exam, CHEM 103 Module 3 Exam, CHEM 103 Module 4 Exam, CHEM 103 Module 5 Exam, CHEM 103 Module 6 Exam (Latest-2023): Portage Learning |100% Verified and Correct Q & A| 
CHEM 103 Module 1 Exam, CHEM 103 Module 2 Exam, CHEM 103 Module 3 Exam, CHEM 103 Module 4 Exam, CHEM 103 Module 5 Exam, CHEM 103 Module 6 Exam (Latest-2023): Portage Learning |100% Verified and Correct Q & A| 
 
CHEM103 Module 1 Exam, CHEM103 Module 2 Exam, CHEM103 Module 3 Exam, CHEM 103 ...
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CHEM 103 General Chemistry Module 1, 2, 3, 4, 5, 6 Exam (Latest-2023)/ CHEM103 General Chemistry Module 1, 2, 3, 4, 5, 6 Exam: Portage Learning |100% Correct Q & A|
- Exam (elaborations) • 35 pages • 2023
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CHEM 103 General Chemistry Module 1, 2, 3, 4, 5, 6 Exam (Latest-2023)/ CHEM103 General Chemistry Module 1, 2, 3, 4, 5, 6 Exam: Portage Learning |100% Correct Q & A|
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CHEM 103 Module 3 Exam Portage Learning 2023
- Exam (elaborations) • 11 pages • 2023
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CHEM 103 Module 3 Exam Portage Learning 2023. NH4Cl is being dissolved in water and this process is being studied in a styrofoam coffee cup 
with a lid and the heat absorbed is measured by means of a thermometer immersed in the 
reaction mixture. Enter the correct thermochemistry term to describe the item listed. 
1. The type of thermochemical process 
2. The air above the cup 
Your Answer: 
1) endothermic 
2) Surroundings 
1. Heat absorbed = Endothermic process 
2. The air above the cup = Surro...
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