Chem 103 module 3 Study guides, Class notes & Summaries
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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) 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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Portage Learning Chem 103 Module 3 Exam Updated 2023-2024 M3: Exam - Requires Respondus LockDown Browser + Webcam
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Portage Learning Chem 103 Module 3 
Exam Updated 2023-2024 
M3: Exam - Requires Respondus 
LockDown Browser + Webcam
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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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CHEM 103 Module 3 Exam Questions with Answers | Portage Learning 2023/2024
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Show the calculation of the amount of heat involved if 35.6 g of H2S is reacted with excess O2 to 
yield sulfur dioxide and water by the following reaction equation. Report your answer to 4 
significant figures. 
 2 H2S (g) + 3 O2 (g) → 2 SO2 (g) + 2 H2O (g) ΔH = - 1124 kJ 
Your Answer: 
1) 1 mol H2S = 34.1 g of H2S = 603.2 KJ 
 (35.6 g / 34.1 g) * -603.2 KJ = (1.0439) * (-603.2 KJ) = -629.7 
 2H2S (g) + 3 O2 (g) --> 2 SO2 (g) + 2 H2O (g) H = -1124 KJ 
 reaction uses 35.6 g of H2S = 35.6 /...
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CHEM 103 MODULE 3
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CHEM 103 
MODULE 3 EXAM 2022 
Click this link to access the Periodic Table. This may be helpful throughout 
the exam. 
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 = Exo...
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BIOD 151 :CHEM 103 MODULE 3 EXAM TEST WITH CORRECT ANSWERS
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BIOD 151 :CHEM 103 MODULE 3 EXAM TEST 
WITH CORRECT ANSWERS 
Answer the following clinical case scenario: 
1. Your patient was injured in a house fire. The skin sustained damage through the epidermis, 
dermis, hypodermis, and some muscle tissue. 
1- What degree of burn best describes your patient’s injury? 
2- Would your patient experience pain in the injured area? Why or why not? 
-4th degree 
-No, fourth-degree burns damage the epidermis, the dermis, the hypodermis, and underlying 
tissue su...
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PORTAGE LEARNING CHEM 103 MODULE 3 EXAM 2022
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PORTAGE LEARNING CHEM 103 MODULE 3 EXAM 2022
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CHEM 103 MODULE 3 EXAM.
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CHEM 103 MODULE 3 EXAM .Click this link to access the Periodic Table. This may be helpful throughout the exam. 
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 pr...
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CHEM 103 MODULE 3 RATED A+
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CHEM 103 MODULE 3 RATED 
A+ 
Question 1 10 / 10 pts 
You may find the following resources helpful: Scientific Calculator 
Periodic Table 
Equation Table Download Equation Table 
A reaction between HCl and NaOH is being studied in a styrofoam coffee cup with a 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 calorimeter and mixture of...
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chem 103 module 3 exam 2023 Portage Learning Chem 103 Module Exam (GRADED A)
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chem 103 module 3 exam 2023 Portage Learning Chem 103 Module Exam (GRADED A) chem 103 module 3 exam 2023 Portage Learning Chem 103 Module Exam (GRADED A) chem 103 module 3 exam 2023 Portage Learning Chem 103 Module Exam (GRADED A) chem 103 module 3 exam 2023 Portage Learning Chem 103 Module Exam (GRADED A) chem 103 module 3 exam 2023 Portage Learning Chem 103 Module Exam (GRADED A)
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