Oxidation state - Study guides, Revision notes & Summaries
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Chemistry Final Exam (Answered)
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Chemistry Final Exam (Answered) 
 
Oxidation Rules 
Rule 1: The oxidation number of an element in its free state = 0 (Also true for diatomic elements) 
-Mg=0,H2=0, C=0 
 
Rule 2: The oxidation number of a monatomic (one-atom) ion is the same as the charge on the ion 
-Mg^2+=+2, Na^+=+1, O^2-=-2 
 
Rule 3: The sum of all oxidation numbers in a neutral compound is zero. The sum of all oxidation numbers in a polyatomic (many-atom) ion is equal to the charge on the ion. 
 
Rule 4: The oxidation numb...
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OCR 2023 Chemistry A H032/02: Depth in chemistry AS Level Question Paper & Mark Scheme (Merged)
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OCR 2023 Chemistry A H032/02: Depth in chemistry 
AS Level Question Paper & Mark Scheme (Merged) 
(i) The uncertainty in each thermometer reading is ±0.5°C and the 
uncertainty in the measured volume of water is ±2cm3. 
Determine whether the temperature change or the measured 
volume of water has the greater percentage uncertainty - ANSpercentage uncertainty= (Absolute Uncertainty / Measured Value) 
x 100 
uncertainty of measure volume of water= 
2/200 x 100= 1 
uncertainty of temp ris...
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WGU Biochemistry OA (Latest 2022/2023) Verified Answers
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WGU Biochemistry OA (Latest 2022/2023) Verified Answers 
Bohr Effect chart (low pH) 
C- High CO2 
H- High H+ 
A- Acidic 
R-Release of O2(rt. Shift) 
T- tense state (in tissues) 
 
 
Primary structure 
Sequence of amino acids that make up a protein 
 
 
Secondary Structure 
Sequence of amino acids fold. 
 
 
Tertiary Structure 
-more folding in a 3D shape. 
-R groups (side chains) 
 
 
Quaternary Structure 
Protein has more than 1 polypeptide chain. 
 
 
Chemical reaction 
-absorb and release en...
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MCAT entrance exam all subjects combined questions & answers latest update
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m 
 
 
 
 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A.	Antibody/protein hybridization	B. DNA/RNA combination	C. RNA ...
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IFSTA Fire Behavior Ch 5 Questions And Answers With Verified Solutions
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IFSTA Fire Behavior Ch 5 Questions And Answers With Verified Solutions 
With Verified Solutions 
A chemic process of oxidation that occurs at a rate fast enough to produce heat and usually light in the form of either a glow or flame Combustion 
 
A rapid oxidation process, which is a chemical reaction resulting in the evolution of light and heat in varying intensities Fire 
 
A form of energy characterized by vibration of molecules and capable of initiating and supporting chemical changes and ch...
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NUSCTX 10S Midterm 1 Questions & Answers Correctly Answered.
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Goal - To gain a basic knowledge that will enable you to make effective choices about your 
nutritional needs 
Healthy Diet - is one that provides the right amount of energy to keep weight in the desirable 
range; the proper types and balance of carbohydrates, proteins, and fats; plenty of water; and sufficient 
but not excessive amounts of essential vitamins and minerals. 
Metabolism - is the set of life-sustaining chemical transformations within the cells of living 
organisms. These enzyme-cat...
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PHYSICAL CHEMISTRY: ATOMIC STRUCTURE QUESTIONS
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Q1.Which one of the following is the electronic configuration of the strongest reducing agent? 
A 1s2 2s2 2p5 
B 1s2 2s2 2p6 3s2 
C 1s2 2s2 2p6 3s2 3p5 
D 1s2 2s2 2p6 3s2 3p6 4s2 
D 
 
 
Which one of the following ionisations requires less energy than the first ionisation energy of oxygen? 
A S(g) → S+(g) + e− 
B O+(g) → O2+(g) + e− 
C N(g) → N+(g) + e− 
D F(g) → F+(g) + e− 
A 
 
 
Which one of the following is the electronic configuration of an element with a maximum oxidation s...
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TEST BANK FOR UNDERSTANDING PATHOPHYSIOLOGY (6TH ED) BY SUE E. HUETHER, KATHRYN L. MCCANCE
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TEST BANK FOR UNDERSTANDING PATHOPHYSIOLOGY (6TH ED) BY SUE E. HUETHER, KATHRYN L. MCCANCE 
 
TEST BANK FOR UNDERSTANDING PATHOPHYSIOLOGY (6TH ED) BY SUE E. HUETHER, KATHRYN L. MCCANCE 
 
 
TEST BANK FOR UNDERSTANDING PATHOPHYSIOLOGY (6TH ED) BY SUE E. HUETHER, KATHRYN L. MCCANCE 
 
PART ONE: BASIC CONCEPTS OF PATHOPHYSIOLOGY 
Unit 1: The Cell 
1. Cellular Biology 
2. Genes and Genetic Diseases 
3. Epigenetics and Disease (NEW) 
4. Altered Cellular and Tissue Biology 
5. Fluids and Electrolytes,...
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Cumulative Exam (Chemistry) Questions and Answers Already Passed
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Cumulative Exam (Chemistry) Questions 
 
and Answers Already Passed 
 
In the context of a redox reaction, what does reduction mean? 
The acquisition of electrons. 
The loss of electrons. 
The formation of a new substance. 
 
The transfer of protons. 
 
How is the Au3+ ion characterized? 
 
It acts as the oxidizing agent. 
It is the reducing agent. 
It is neutral. 
It is the substance being reduced. 
 
In a disproportionation reaction, what feature does the reacting substance possess? 
It exhibi...
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2023 AQA A-level CHEMISTRY 7405/1 Paper 1 Inorganic and Physical Chemistry Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
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2023 AQA A-level CHEMISTRY 7405/1 Paper 1 Inorganic and Physical Chemistry Question 
Paper & Mark scheme (Merged) June 2023 [VERIFIED] 
Monday 12 June 2023 Morning 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 pen. 
• Fill in the boxe...
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