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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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fire investigator final Exam With Correct Answers
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The term "scientific method of fire investigation" means: -Answer use scientific logic. 
 
________ is the most critical component of ordinary fires, because it is essential for combustion. -Answer Oxygen 
 
To understand chemical combinations, it should be understood that every atom consists of a central core of subatomic particles called ________ and ________. -Answer protons; neutrons 
 
An example of an element is: -Answer All of these. 
 
The chemistry of carbon-containing compounds is ...
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07.01 Endothermic and Exothermic Florida Virtual School CHEM 4766
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Endothermic and Exothermic Activity 
For this assignment, you will create your own potential energy diagrams for each of the three 
chemical reactions. Then you will analyze the data and your diagrams for each reaction. 
Generic Reactions Reactants Products Transition State 
Synthesis 
A + B → AB 
A + B −15 kJ AB 20 kJ 30 kJ 
Single Replacement 
C + AB → CB + A 
C + AB 65 kJ CB + A 30 kJ 85 kJ 
Double Replacement 
AB + CD → AD + BC 
AB + CD 10 kJ AD + BC 6
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Aqa gcse 5.1 Exothermic & Endothermic Reactions
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QA Chemistry GCSE - Exothermic & Endothermic Reactions PhysicsAndMathsT 
→7:16 2024/4/12 Aqa gcse 5.1 Exothermic & Endothermic Reactions 
QP 
about:blank 4/32 
AQA Chemistry GCSE - Exothermic & Endothermic Reactions PhysicsAndMathsT 
• • •7:16 2024/4/12 Aqa gcse 5.1 Exothermic & Endothermic Reactions 
QP 
about:blank 5/32 
AQA Chemistry GCSE - Exothermic & Endothermic Reactions PhysicsAndMathsT
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ABFAS boards (Rearfoot and forefoot) questions with correct answers
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Properties of Calcium phosphate antibiotic beads - Correct Answer-non exothermic 
Must use powder 
Peaks at 3 hours and then elutes over 72 hours 
120 day shelf life 
 
Most common 5th metatarsal fracture - Correct Answer-Avulsion fracture (about 50% of 5th met fractures) 
 
normal IM between 4 and 5? 
 
normal lateral bowing angle? - Correct Answer-IM= 6.5-9.0 
bowing angle=2.6 
 
What is the Myerson procedure? - Correct Answer-use of EHB in correction of HAV. 
 
What is biologic fixation? - Co...
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Fire Investigator - PART 1 Study questions for TCFP Fire Investigator 2023/2024
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Fire Investigator - PART 1 
Study questions for TCFP Fire Investigator 2023/2024 
 
 
Is NFPA 921 a guide or a standard? - ANSWER It is the Guide for Fire and Explosion Investigations 
 
 
 
 
 
What are the six steps of the scientific method? - ANSWER Recognize the need 
 
Define the problem 
 
Collect the data 
 
Analyze the data 
 
Devel...
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Exothermic Process 64 Practice Questions with Verified Answers
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Exothermic Process 64 Practice Questions with Verified Answers 
 
1: What is an exothermic process? - correct answer - 
An exothermic process is a chemical reaction or physical change that releases heat to its surroundings. 
 
 
2: Give an example of an exothermic reaction. 
Combustion of methane (CH4 + 2O2 ? - correct answer - CO2 + 2H2O + heat) is an example of an exothermic reaction. 
 
 
3: How can you identify an exothermic reaction in a laboratory setting? - correct answer - An exothermic ...
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Chemistry Straighterline Q&A
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An endothermic reaction causes the surroundings to: 
A. warm up 
B. become acidic 
C. condense 
D. decrease in temperature 
E. release CO2 - Answer- D 
 
An exothermic reaction causes the surroundings to: 
A. warm up 
B. become acidic 
C. expand 
D. decrease its temperature 
E. release CO2 - Answer- A 
 
Copper metal has a specific heat of 0.385 J/g•oC and has a melting point of 1083oC. 
 calculate the amount of heat required to raise the temperature of 22.8 g of Cu from 20.0oC to 875oC. 
A. 1...
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CHEM 219 FINAL EXAM Q&A 2024
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The speed of a wave (c) is the product of its frequency (ν) and wavelength (λ). 
E = hv = h x c / λ 
nm to m 
or 
m to nm 
1 m / 10^9 nm 
or 
10^9 nm / 1 m 
 
What is the maximum number of electrons that can have the quantum numbers n = 3, ℓ = 2, mℓ = -2? 
The Pauli exclusion principle states that no two electrons in a given atom can share the same set of four quantum numbers (n, ℓ, mℓ, ms). This set of quantum numbers contains three quantum numbers, with the only missing quantum num...
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Test Bank For Lehninger Principles of Biochemistry 6th Edition By Favid L. Nelson, Micheal M. Cox| All Chapters| Complete Questions and Answers (LATEST VERSION).
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Test Bank For Lehninger Principles of Biochemistry 6th Edition By Favid L. Nelson, Micheal M. Cox| All Chapters| Complete Questions and Answers (LATEST VERSION). 
Chapter Chapter 1 1 The Foundations Foundations of of Biochemistry Biochemistry 
Multiple Choice Questions 
1. Cellular foundations Cellular foundations 
Pages: 33-4 DDiffffiicculttyy: 11 Anns: : CC 
In a bacterial cell, the DNA is in the: 
A) cell envelope. 
B) cell membrane. cell membrane. 
C) nucleoid. 
D) nucleus. 
E) ribosomes. ri...
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Straighterline chemistry exam 2023 with 100% correct answers
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An endothermic reaction causes the surroundings to: 
A. warm up 
B. become acidic 
C. condense 
D. decrease in temperature 
E. release CO2 - correct answer -D 
 
An exothermic reaction causes the surroundings to: 
A. warm up 
B. become acidic 
C. expand 
D. decrease its temperature 
E. release CO2 - correct answer -A 
 
Copper metal has a specific heat of 0.385 J/g•oC and has a melting point of 1083oC. 
 calculate the amount of heat required to raise the temperature of 22.8 g of Cu from 20.0oC...
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Nevada Cosmetology State Board | 130 Questions with 100% Correct Answers | Verified | Latest Update 2024
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The type of product that causes a nail tip to stick to a nail plate is known as - Adhesive 
Manicure refers to the cosmetic care of the - hands and fingernails. 
The disorder in which the nail grows into the edge of the nail grooves, causing ingrown nails, is called - 
Onychocryptosis 
What type of blush is suitable for all skin types? - Liquid blush 
How do chemical depilatories remove unwanted hair? - Chemical depilatories chemically soften and 
degrade the protein structure of the hair, disso...
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