Heat equation Study guides, Class notes & Summaries
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AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper + Mark scheme [MERGED] June 2022 *JUN227404201* IB/M/Jun22/E7 7404/2 For Examiner’s Use Question Mark 1
- Exam (elaborations) • 63 pages • 2023
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AQA 
AS 
CHEMISTRY 
7404/2 
Paper 2 Organic and Physical Chemistry 
Question Paper + Mark scheme [MERGED] 
June 2022 
*JUN* 
IB/M/Jun22/E7 7404/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
Section B 
TOTAL 
Time allowed: 1 hour 30 minutes 
Materials 
For this paper you must have: 
• the Periodic Table/Data Sheet, provided as an insert (enclosed) 
• a ruler with millimetre measurements 
• a scientific calculator, which you are expected to use where appropriate. 
Instructions...
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AQA A-level CHEMISTRY 7405/3 Paper 3 Question Paper + Mark scheme [MERGED] June 2022 *JUN227405301* IB/M/Jun22/E16 7405/3 For Examiner’s Use Question Mark 1
- Exam (elaborations) • 60 pages • 2023 Popular
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AQA 
A-level 
CHEMISTRY 
7405/3 
Paper 3 
Question Paper + Mark scheme [MERGED] 
June 2022 
*JUN* 
IB/M/Jun22/E16 7405/3 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
Section B 
TOTAL 
Time allowed: 2 hours 
Materials 
For this paper you must have: 
• the Periodic Table/Data Booklet, provided as an insert (enclosed) 
• a ruler with millimetre measurements 
• a scientific calculator, which you are expected to use where appropriate. 
Instructions 
• Use black ink or black ball-point...
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Progression: Field Tech II - III Conventional Questions and Answers Already Graded A
- Exam (elaborations) • 36 pages • 2023
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Progression: Field Tech II - III Conventional Questions and Answers Already Graded A 
What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? Changing the infrastructure all at once would cause too many service disruptions. 
What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the custom...
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PHY250L Lab 10 Thermodynamics Straighterline FALL 2023
- Other • 13 pages • 2024
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Pre-Lab Questions 
1. The first law of thermodynamics discusses the interplay between heat and work and how they 
come together to describe the internal energy changes of a system undergoing a 
thermodynamic process. Importantly, though, the first law of thermodynamics is, at its core, a 
statement about the conservation of energy. Energy cannot be created or destroyed. it cannot 
vanish into nothingness or spontaneously appear. This law can be stated mathematically as: 
ΔU=Q−W 
Explain howth...
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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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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/P/1H Higher Tier Physics Paper 1H Question Paper + Mark scheme [MERGED] June 2022 *jun228464p1h01* IB/M/Jun22/E13 8464/P/1H For Examiner’s Use Question Mark
- Exam (elaborations) • 53 pages • 2023
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AQA 
GCSE 
COMBINED SCIENCE: TRILOGY 
8464/P/1H 
Higher Tier 
Physics Paper 1H 
Question Paper + Mark scheme [MERGED] 
June 2022 
*junp1h01* 
IB/M/Jun22/E13 8464/P/1H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
TOTAL 
Time allowed: 1 hour 15 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator 
• the Physics Equations Sheet (enclosed). 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should be used for drawing. 
• Fill i...
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update)
- Exam (elaborations) • 35 pages • 2024
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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 AQA GCSE PHYSICS 8463/1H Paper 1 Higher Tier Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] GCSE PHYSICS Higher Tier Paper 1
- Exam (elaborations) • 59 pages • 2024
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2023 AQA GCSE PHYSICS 8463/1H Paper 1 Higher Tier Question Paper & Mark 
scheme (Merged) June 2023 [VERIFIED] 
GCSE 
PHYSICS 
Higher Tier Paper 1 
H 
Thursday 25 May 2023 Morning Time allowed: 1 hour 45 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator 
• the Physics Equations Sheet (enclosed). 
Instructions 
• Use black ink or black ball-point pen. Pencil should only be used for drawing. 
• Fill in the boxes at the top of this page. 
• Answer a...
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FL 5 AAMC MCAT question with complete solution 2023
- Exam (elaborations) • 18 pages • 2023
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FL 5 AAMC MCAT question with complete solution 2023What is the chemical structure of a component found in four of the five cofactors used by Na+-NQR? - correct answer says it is composed of flavin 
structure is a nucleotide base 
structure B could be 
structure C also could be 
structure D is an amino acid 
down between B and C 
to help, look at the captioned note on the table. it says Fl represents flavin which is the redox active center in four of the five cofactors of Na+-NQR 
C has an ubi...
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NCTI FIELD TECH 2 TO 3 PROGRESSION FINAL EXAM 2023 - 2024 100%CORRECT ANSWERS.
- Exam (elaborations) • 24 pages • 2023
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NCTI FIELD TECH 2 TO 3 PROGRESSION FINAL EXAM 2023 - 2024 100%CORRECT ANSWERS. 
What uses the 2.4-GHz band and runs at 54 Mbps? 
802.11g 
What is one reason why broadband cable operators install fiber-optic cable in 
stages instead of changing the infrastructure all at once? 
Changing the infrastructure all at once would cause too many service disruptions. 
What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb 
(FTTC) topologies? 
An FTTC is allowed a smaller number o...
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