Question for exam 3 chem 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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2023 Portage Learning CHEM 103 Exam 1-6 Final LATEST
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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. 
Answer: 
1. Convert 1005.3 = larger than 1 = positive exponent, move decimal 3 places = 1.0053 
x 103 
2. Convert 4.87 x 10-6 =negative exponent =smaller than 1, move decimal 6 places = 
0. 
Question 2 
Using the following information, do the conversions shown below, showing all work: 
2023 Portage Learning CHEM 103 Exam 1-6 Final 
LATEST 
Exam 1-6 
1 ft = 12 inche...
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Portage Learning / CHEM 103 / Module 1 to 6 Exam answers 2023|2024 UPDATED A+ RATED
- Exam (elaborations) • 58 pages • 2023
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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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CHEM 103 Module 3 Exam Portage Learning 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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PORTAGE LEARNING CHEM 210 exams 1-8 and final exam
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Portage Learning CHEM 210 exams 1-8 and final exam 
 
Question 1 
3 / 3 pts 
 
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. 
 
 
 
True Correct! 
False Question 2 
3 / 3 pts 
True or False: Biomolecules can have only two functional groups. 
 
True Correct! 
False Question 3 
3 / 3 pts 
 
True or False: The following functional group is an alcohol. 
 
 
 
 
 
True Correct! 
False Question 4 
3 / 3 pts 
 
True or False: In ...
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CHEM 210 Biochemistry Exams 1-8 and Final Exam.
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CHEM 210 Biochemistry Exams 1-8 and Final Exam. Question 1 
3 / 3 pts 
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is 
considered a macromolecule. 
 
True 
Correct! 
 
False 
Question 2 
3 / 3 pts 
True or False: Biomolecules can have only two functional groups. 
 
True 
Correct! 
 
False 
Question 3 
3 / 3 pts 
True or False: The following functional group is an alcohol. 
 
True 
Correct! 
 
False 
Question 4 
3 / 3 pts 
True or False: In a eukaryot...
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CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning)
- Exam (elaborations) • 35 pages • 2023
- Available in package deal
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CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) 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. 
Using the following info...
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Portage Learning Chem 210 Final Exam 1
- Exam (elaborations) • 13 pages • 2023
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Portage Learning Chem 210 Final Exam 1 
 
Question 1 
3 / 3 pts 
True or False: Nitrogen is called the superglue of the chemical world. 
FALSE 
 
Question 2 
3 / 3 pts 
True or False: Large elements, such as strontium, are common in biomolecules. 
FALSE 
 
Question 3 
3 / 3 pts 
True or False: The time it takes for a compound to flow through a metabolic pathway is 
called the payoff phase. 
FALSE 
 
Question 4 
3 / 3 pts 
True or False: Proteins, carbohydrates, and fats all get broken down into ...
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CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning)
- Exam (elaborations) • 35 pages • 2023
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CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) Show the calculation of the mass of a 18.6 ml sample of freon with 
density of 1.49 g/ml 
2. Show the calculation of the density of crude oil if 26.3 g occupies 30.5 
ml. 
1. M = D x V = 1.49 x 18.6 = 27.7 g 
2. D = M / V = 26.3 / 30.5 = 0.862 g/ml 
Question 5 
Click this link to access the Periodic Table. This may be helpful throughout 
the exam. 
1. 3.0600 contains ? significant figures. 
2. 0.0151 contains ? significant figu...
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CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning)
- Exam (elaborations) • 35 pages • 2023
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Available in package deal
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CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) Using the following information, do the conversions shown below, showing all 
work: 
1 ft = 12 inches 1 pound = 16 oz 1 gallon = 4 quarts 
1 mile = 5280 feet 1 ton = 2000 pounds 1 quart = 2 pints 
kilo (= 1000) milli (= 1/1000) centi (= 
1/100) deci (= 1/10) 
1. 24.6 grams = ? kg 
2. 6.3 ft = ? inches 
1. 24.6 grams x 1 kg / 1000 g = 0.0246 kg 
2. 6.3 ft x 12 in / 1 ft = 75.6 inches 
please always use the correct units in your ...
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