Chemical compound - 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
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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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PICAT/ASVAB TEST QUESTIONS (193 Questions with 100% Correct Answers)
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PICAT/ASVAB TEST QUESTIONS (193 Questions with 100% Correct Answers) 
 
Which of these is the best explanation of how a smooth round stone became smooth? 
[Ans:- It was in a stream for a long 
 
When a lobster grows a claw to replace one that was lost, the process is called 
[Ans:- regeneration. 
 
Any astronomical body that revolves around a larger body is called 
[Ans:- a satellite. 
 
In chemistry, to be classified as an organic substance, a substance must contain 
[Ans:- Carbon atoms. 
 ...
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CHEM 120 Exam #1 Questions With Complete Solutions
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define matter correct answer: anything that has mass and takes up space 
 
what is not considered matter? correct answer: light, heat, electricity 
 
definite shape, definite volume correct answer: solid 
 
indefinite shape, definite volume correct answer: liquid 
 
indefinite shape, indefinite volume correct answer: gas 
 
pure substance correct answer: one substance; definite and constant composition; can't be separated into 2 kinds of matter by physical means; single kind of matter 
 
...
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Chem 103 Module 1 to 6 Exam answers Portage learning latest complete update
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Chem 103 Module 1 to 6 Exam answers Portage learning latest complete 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 = smaller than 1, move decimal...
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Introduction to Chemistry 5th Edition Bauer Test Bank
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Introduction to Chemistry, 5e (Bauer) Chapter 3 Chemical Compounds 1) The figure shows all but which of the following? 1. A) two elements and a compound 2. B) a chemical reaction 3. C) one mixture and one pure substance 4. D) three compounds Answer: D Difficulty: 1 Easy Topic: Study of Chemistry Bloom’s: 2. Understand Gradable: automatic Subtopic: Classification and States of Matter; Properties of Matter Accessibility: Keyboard Navigation 2) Which of the substances shown in the figure is an io...
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NUTR 331 Midterm Review questions solved 100%
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NUTR 331 Midterm Review 
nutrition - answer-the study of function and interaction of nutrients, 
and the processes by which the body uses them 
what makes a nutrient essential - answer-required for growth, required 
for regulation of body processes, required for repair of body tissue 
greatest component of a chemical analysis of food - answer-water 
an organic compound can be defined as: - answer-a substance or 
molecule containing carbon 
a nutrient d
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CHEM 120 Week 8 Lab Practical Online Quiz
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Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 
1.	Question: (CO 1) What was the independent v...
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Portage Learning Chem 210 Final Exam 2023
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Portage Learning Chem 210 Final Exam 
1. True or False: Hydrogen is called the superglue of the chemical worlds 
True 
False 
 
2. True or False: Small elements such as nitrogen, are common in biomolecules 
True 
False 
 
3. True or False: The time it takes for a compound to flow through a metabolic 
pathway is called the flux 
True 
False 
 
4. True or False: Proteins, carbohydrates, and fats all get broken down into NADH 
and FADH2 in energy production 
True 
False 
 
5. True or False: A fat i...
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IBEC Electrolysis and Laser State Licensing Board Review Exam (2024) || All Questions & Solutions (100% Correct)
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IBEC Electrolysis and Laser State Licensing Board Review Exam (2024) || All Questions & Solutions (100% Correct) 
IBEC Electrolysis and Laser State Licensing Board Review Exam (2024) || All Questions & Solutions (100% Correct) 
 
Sodium hydroxide - ANSWER - Produced by the negative pole and is the chemical agent that destroyes hair in galvanic 
 
Latric hirsutism - ANSWER - Resulting from taking certain medications 
 
Minimize the effect of chemical compound deposited - ANSWER - Reason for the i...
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Portage Learning / CHEM 103 / Module 1 to 6 Exam answers 2023|2024 UPDATED A+ RATED
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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 = 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. ...
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