Chem 103 exam - Study guides, Class notes & Summaries
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PORTAGE LEARNING CHEM 103 MODULE 3 EXAM 2022
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PORTAGE LEARNING CHEM 103 MODULE 3 EXAM 2022 A reaction between HCl and NaOH is being studied in a styrofoam coffee cup with NO lid and the heat given off 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 amount of heat released in the reaction of HCl with NaOH 1. Heat given off = Exothermic process 2. The amount of heat released = Heat of reaction
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Chem 103 exam 1 Ch 1-3 Prelec/hw Questions with Correct Answers
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A uniform combination of two or more pure substances can be classified as _____. Correct Answer-a homogeneous mixture 
 
Which of these pure substances is an element? 
 
- C12H22O11 (sucrose, table sugar) 
- O2 
- CH4 (methane, the primary component of natural gas) 
- NH3 (ammonia, a component of fertilizer) Correct Answer-O2 
 
Based on the organization of the periodic table, periods _____. Correct Answer-are the horizontal rows 
 
To which group and period does potassium belong? Correct Answer...
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Chem 103 Exam 1 Questions with Correct Answers.
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Chem 103 Exam 1 Questions with Correct Answers.
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CHEM 103 Exam 1-6 combined with final exam 2023 Actual questions and answers 100% correct
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CHEM 103 Exam 1-6 combined with final exam 2023 Actual questions and answers 100% correct
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CHEM 103: GENERAL ORGANIC CHEMISTRY Module 1 to 6 Exams and Final Exam with Verified answers Bundle | Portage learning (Latest Update)
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CHEM 103: GENERAL ORGANIC CHEMISTRY Module 1 to 6 Exams and Final Exam with Verified answers Bundle | Portage learning (Latest Update)
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CHEM 103 Lab Exam 8 – Portage Learning
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CHEM 103 Lab Exam 8 – Portage Learning. The unit “m” stands for _______ in this experiment. 
2. (4 points) Why was warming data used for estimating the freezing/melting 
point of the cyclohexane? 
3. (3 points) How much of the cyclohexane solvent was placed in the test? 
1.) molarity 
2.) It is considered reliable.
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CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning)
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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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CHEM 121 Module 1 Exam Questions and Answers - Portage Learning.
- Exam (elaborations) • 7 pages • 2024
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CHEM 121 Module 1 Exam Questions and Answers - Portage Learning. 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 = 1.0053 x 103 
2. Convert 4.87 x 10-6 =negative exponent =smaller than 1, move 
decimal 6 places = 0. 
Question 2 
You may find the following resources helpful: 
Scientific Calculator (Links t...
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CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct.
- Exam (elaborations) • 44 pages • 2023
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CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct. 
Exam 1-6 
EXAM 1 
Question 1 
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 conver...
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CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct.
- Exam (elaborations) • 44 pages • 2023
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CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct. 
Exam 1-6 
EXAM 1 
Question 1 
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 conver...
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