Redox equations Study guides, Class notes & Summaries
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CHEM 103 Lab Exam 8 Questions and Answers | Latest Update 2023/2024 (Portage Learning) EXAM 2023-2024 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS GRADED A+
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CHEM 103 Lab Exam 8 Questions and Answers | 
Latest Update 2023/2024 (Portage Learning) EXAM 
 ACTUAL EXAM QUESTIONS AND 
CORRECT DETAILED ANSWERS WITH 
RATIONALES ANSWERS GRADED A+ 
CHEM 103 General Chemistry I with Lab 
Prerequisites: High school chemistry (recommended, but not required) 
Instructor: Kenneth Hartman, PhD 
Facilitator: Rodney Austin, PhD 
Heather Dorman, PhD 
H Elaine Frey, MHA 
Kathy Austin, MEd 
Contact Information: Faculty may be contacted through the Portage messaging syste...
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HESI A2 CHEMISTRY-CHRISJAY FILES (1) (1)
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HESI A2 ENTRANCEEXAM 
FOR 
CHAMBERLAINCOLLGE 
OF NURSING 
2023 QUESTIONS WITH 
ANSWERS 
CHEMISTRY 
HESI A2 CHEMISTRY V1/V2 FILE 
1. If a Hydrogen isin a compound, what would its oxidation number be? 
+1 
2. What isthe oxidation number of any simple ion? 
+1 or -1 depending on the charge of the ion 
3. How many kilograms are in a pound? 
0. kg 
4. What is the temperature for freezing point of water in Celsius? 
0 degrees Celsius (32°F for Fahrenheit) 
5. What is the conversion of Celsius to Fah...
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Chemistry 115 Final Exam Questions with Verified Solutions
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Chemistry 115 Final Exam Questions with Verified Solutions Any ionic compound containing group IA or NH4+ cations are.... Always Soluble 
Ionic compounds containing NO3-, NO2-, ClO3-, ClO4-, C2H3O2-, & HCO3- anions are Always Soluble 
Ionic compounds containing Cl-, Br-, & I- anions are soluble EXCEPT when combined with... Ag, Hg, and Pb cations 
Ionic compound containing SO4^2- are soluble EXCEPT when combined with... Ag, Hg, Pb, Ca, Sr, Ba 
Ionic compounds containing So3^2-, S^2-, CO3^2-, PO4^...
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OCR AS LEVEL CHEMISTRY A H032/02 DEPTH IN CHEMISTRY ACTUAL 2024 EXAM V1 ACCURATE QUESTIONS AND ANSWERS 100% COMPLETE CHECK THE LAST PAGE FOR ANSWERS
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OCR AS LEVEL CHEMISTRY A H032/02 DEPTH IN CHEMISTRY 
ACTUAL 2024 EXAM V1 
ACCURATE QUESTIONS AND ANSWERS 100% COMPLETE 
CHECK THE LAST PAGE FOR ANSWERS 
1	This question is about nickel and its compounds. 
(a)	Nickel reacts with dilute hydrochloric acid in a redox reaction. Ni(s) + 2HCl (aq)	NiCl 2(aq) + H2(g) 
Explain, in terms of the number of electrons transferred, whether nickel is oxidised or reduced. 
 
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OCR GCE AS Level Chemistry A H032/01: Breadth in chemistry Mark Scheme for June 2022
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OCR GCE AS Level Chemistry A H032/01: Breadth in chemistry Mark Scheme for June 2022. (Electrostatic) attraction between 
oppositely charged OR + and – ions 
1 AO1.1 
×1 
Attraction is essential 
IGNORE references to metal and non-metal 
Mark SchemeJune 2022 
20 
(ii) 
Mg2+ shown alternately in FOUR circles 
S 
2– shown alternately in FOUR circles 
2 AO1.2 
×2 
ALLOW labels if seen outside circles provided it 
clear which circle the label applies to 
ALLOW 1 mark for Mg AND S s...
Too much month left at the end of the money?
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CSM CHEM 210 Final Questions & Answers Already Graded A+
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If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per 
liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) - Answer-9.4 Km/L 
*What is the correct answer to the following expression: 
(49.1 - 42.61 ) x 13.1? - Answer-85 
An intensive property of a substance is independent of amount. - Answer-True 
Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic 
mass of Li is 6.941 amu. What ...
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CHEM 103 General Chemistry I with Lab 4 Credits
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CHEM 103 General Chemistry I with Lab 4 Credits 
Prerequisites: High school chemistry (recommended, but not required) 
Instructor: Kenneth Hartman, PhD 
Facilitator: Rodney Austin, PhD 
Heather Dorman, PhD 
H Elaine Frey, MHA 
Kathy Austin, MEd 
Contact Information: Faculty may be contacted through the Portage messaging system 
Additional Information: * 
Course meeting times: CHEM 103 is offered continuously 
Course Description: A systematic investigation of the fundamental principles of chemist...
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HESI A2 Chemistry Possible Questions & Answers: Latest Updated
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What are all metric measurements composed of? 
(Ans- metric prefix and a basic unit of measurement 
 
What is the most commonly used temperature in scientific community? (Ans- Celsius 
 
Nucleus of an atom contains... 
(Ans- protons and neutrons 
 
an atom with a positive charge 
 (Ans- cation 
 
what are the rows called in the periodic table 
 (Ans- periods 
 
atomic number 
 (Ans- number of protons 
 
atomic mass 
 (Ans- mass of elements isotopes 
 
how are chemical equations written? 
 (Ans...
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UNIT 13B APPLIED SCIENCE UP TO DISTINCTION
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Here are the key points I would highlight in the assignment: 
P4/P6 - Practical Work 
 
Measuring cell potentials for various half-cell combinations (Zn/Cu, Zn/Pb, Pb/Cu) 
Calculating standard cell potentials and comparing to measured values 
Titrations: Fe2+/MnO4-, Na2S2O3/KIO3 standardization, I2/Cu2+ determination 
Observations and calculations for titration volumes and concentrations 
Oxidation of alcohols (ethanol, ethanoic acid) with acidified K2Cr2O7 
 
Health & Safety 
 
Proper PPE (lab ...
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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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