Molecular formula Samenvattingen, Aantekeningen en Examens
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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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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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AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Version: 1.0 Final *JUN237404201*/ QUESTION PAPER & MARKING SCHEME/ [MERGED] Mark scheme June 2023
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AQA 
AS 
CHEMISTRY 
7404/2 
Paper 2 Organic and Physical Chemistry 
Version: 1.0 Final 
*JUN* 
IB/M/Jun23/E6 7404/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
Section B 
TOTAL 
Tuesday 23 May 2023 Morning 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. 
Instruction...
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STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS
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What is the term used for findings that are summarized based on a pattern or trend? 
a. Law 
b. Hypothesis 
c. Theory 
d. Phenomena 
e. Prediction - a. Law 
Which of the following is a tentative explanation for a set of observations? 
Select one: 
a. Law 
b. Hypothesis 
c. Theory 
d. Phenomena 
e. Prediction - b. Hypothesis 
If a liquid contains 60% sugar and 40% water throughout its composition then what is it 
called? 
Select one: 
a. Solute 
b. Compound 
c. Homogeneous mixture 
d. Heterog...
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CHEM 1020 Midterm Questions With Complete Solutions
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Which of the following formulas represents butane? CH3CH3 
CH3CH2CH2CH3 
CH3CH2CH3 
CH3CH2CH2CH2CH3 correct answer: CH3CH2CH2CH3 
 
What does a structural formula look like? correct answer: CH3CH2CH3 
 
What is the molecular formula of a straight chain alkane with 12 carbon atoms? correct answer: C12H26 
 
Which of the following alkanes would you expect to be a solid? 
C8H18 
C20H42 
CH4 
C3H8 correct answer: C20H42 
 
Carbon forms strong covalent bonds with each of the following elements ...
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CHEM 210 Biochemistry Exams 1-8 and Final Exam.
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CHEM 210 Biochemistry Exams 1-8 and Final Exam. Question 1 
3 / 3 pts 
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is 
considered a macromolecule. 
 
True 
Correct! 
 
False 
Question 2 
3 / 3 pts 
True or False: Biomolecules can have only two functional groups. 
 
True 
Correct! 
 
False 
Question 3 
3 / 3 pts 
True or False: The following functional group is an alcohol. 
 
True 
Correct! 
 
False 
Question 4 
3 / 3 pts 
True or False: In a eukaryot...
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2023 AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
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2023 AQA AS CHEMISTRY 7404/2 Paper 2 
Organic and Physical Chemistry Question 
Paper & Mark scheme (Merged) June 2023 
[VERIFIED] 
Please write clearly in block capitals. 
Centre number 
Candidate number 
Surname 
Forename(s) 
Candidate signature 
I declare this is my own work. 
AS 
CHEMISTRY 
Paper 2 Organic and Physical Chemistry 
Tuesday 23 May 2023 Morning Time allowed: 1 hour 30 minutes 
Materials 
For this paper you must have: 
• the Periodic Table/Data Sheet, provided as an insert (e...
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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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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1H Higher Tier Chemistry Paper 1H Question Paper + Mark scheme [MERGED] June 2022 *jun228464c1H01* IB/M/Jun22/E10 8464/C/1H For Examiner’s Use Question Mark 1
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AQA 
GCSE 
COMBINED SCIENCE: TRILOGY 
8464/C/1H 
Higher Tier 
Chemistry Paper 1H 
Question Paper + Mark scheme [MERGED] 
June 2022 
*junc1H01* 
IB/M/Jun22/E10 8464/C/1H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
TOTAL 
Time allowed: 1 hour 15 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 ...
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FL 5 AAMC MCAT question with complete solution 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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