Significant figures Study guides, Class notes & Summaries
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AQA GCSE CHEMISTRY 8462/2H Paper 2 Higher Tier Question Paper + Mark scheme [MERGED] June 2022 *jUN2284622H01* IB/M/Jun22/E9 8462/2H For Examiner’s Use Question Mark 1
- Exam (elaborations) • 68 pages • 2023
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AQA 
GCSE 
CHEMISTRY 
8462/2H 
Paper 2 Higher Tier 
Question Paper + Mark scheme [MERGED] 
June 2022 
*jUNH01* 
IB/M/Jun22/E9 8462/2H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
TOTAL 
 
 Time allowed: 1 hour 45 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator 
• the periodic table (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 t...
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Testbank for College Physics from OpenStax College
- Exam (elaborations) • 241 pages • 2023
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Testbank for College Physics from OpenStax College 
CONTENTS 
Contents 
......................................................................................................................................... 
2 
Preface 
.......................................................................................................................................... 
12 
Chapter 
1: 
Introduction: 
The 
Nature 
of 
Science 
and 
Physics 
....................................................... 
13 
1.2 ...
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CHEM 103 Module 2 Exam (General Chemistry) – Portage Learning WITH COMPLETE SOLUTION UPDATED 2023|2024 RATED A+
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Show the calculation of the molecular weight for the following 
compounds, reporting your answer to 2 places after the decimal. 
1. Al (SO ) 
2. C H NOBr 
2 4 3 
7 5 
1. Al (SO ) 
Al = 2 x 26.98 = 53.96 
S = 3 x 32.07 = 96.21 
O = 12 x 16.00 = 192 
2 4 3 
M2: Exam - Requires Respondus LockDown Browser + Webcam: General Chemistry I w/Lab-2021- Kozminski 
3/18 
Total Molecular Weight for Al (SO ) = 342.17 
2. C H NOBr 
C = 7 x 12.01 = 84.07 
H = 5 x 1.008 = 5.04 
N = 1 x 14.01 = 14.01 
O = 1 x 16....
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AS PHYSICS 7407/1 Paper 1 Mark scheme June 2023
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AS 
PHYSICS 
7407/1 
Paper 1 
Mark scheme 
June 2023 
Version: 1.0 Final 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
*236A7407/1/MS* 
 
 
Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisation proces...
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Edexcel as level mathematics statistics question paper 21 may 2023
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Please check the examination details below before entering your candidate information 
Candidate surname Other names 
Centre Number Candidate Number 
Pearson Edexcel Level 3 GCE 
Thursday 25 May 2023 
Afternoon Paper reference 8MA0/21 
Total Marks 
Mathematics 
Advanced Subsidiary 
PAPER 21: Statistics 
You must have: 
Mathematical Formulae and Statistical Tables (Green), calculator 
Candidates may use any calculator allowed by Pearson regulations. Calculators 
must not have the facility for sym...
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CHEM 103 MODULE 3 EXAM WITH ANSWERS
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CHEM 103 MODULE 3 EXAM WITH ANSWERS 
 
 
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 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 HCl + NaOH Your Answer: 
1.	The typ...
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ap art history: midterm: multiple choice questions and answers 2023
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ap art history: midterm: multiple choice questions 
 
The emphasis on the anatomy of women portrayed in Prehistoric art suggests early man's interest in 
a. gold and jewels 
b. health and fertility 
c. athletic competitions 
d. the domestication of animals - b. health and fertility 
 
b. mortise and tenon construction - To ensure stability of a structural form, an architectural innovation utilized at Stonhenge was the use of 
a. squinches to support large sarsen lintels 
b. moritse and tenon c...
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JOMC 486 Test 2 (with answers)
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Falwell was unable to prove his libel claim against Hustler because: correct answers he was lacked proof of actual injury. 
 
In the Hustler case, the Supreme Court ruled that public figures and public officials: correct answers can never recover damages for the tort of emotional distress 
 
According to the Snyder court, speech deals with matters of public concern when it: correct answers relates to any matter of political, social or other concern to the community 
 
The trial court said the Ph...
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Test bank Varcarolis Foundations of Psychiatric- Mental Health Nursing 9th Edition Complete Guide Chapter 1-36. Newest Version 2024, GUARANTEED A+ GRADE
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Table Of Contents 
UNIT I: Foundations in Theory 
Chapter 1. Mental Health and Mental Illness 
Chapter 2. Theories and Therapies 
Chapter 3. Psychobiology and Psychopharmacology 
UNIT II: Foundations for Practice 
Chapter 4. Treatment Settings 
Chapter 5. Cultural Implications 
Chapter 6. Legal and Ethical Considerations 
UNIT III: Psychosocial Nursing Tools 
Chapter 7. The Nursing Process and Standards of Care 
Chapter 8. Therapeutic Relationships 
Chapter 9. Therapeutic Communicati...
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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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