Chemistry 2e Samenvattingen, Aantekeningen en Examens
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TEST BANK FOR GENERAL ORGANIC AND BIOLOGICAL CHEMISTRY, 2ND EDITION : FROST
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General, Organic, and Biochemistry, 2e (Frost) 
Chapter 1 Chemistry Basics— Matter and Measurement 
1.1 Multiple-Choice 
1) Which of the following is an example of a heterogeneous mixture? 
A) Sugar water 
B) Blood 
C) Air 
D) Vodka 
Answer: B 
Diff: 1 
Section: 1-1 
2) Which of the following is a pure substance? 
A) Sugar 
B) Sand 
C) Gold 
D) Maple syrup 
Answer: C 
Diff: 1 
Section: 1-1 
3) All the different kinds of substances that make up all of the material of the universe are known 
col...
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Descriptive Inorganic Chemistry (Exam 2) With 100% Correct Answers 2024
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Descriptive Inorganic Chemistry (Exam 2) 
With 100% Correct Answers 2024 
What are the group 12 metals called? - answerPseudo-Transition metals 
Tell of four characteristics of Group 12 metals - answer-not like the other transition metals 
-resemble group 2 or group 14 elements 
-Valence electrons are "s" electrons 
-Low melting points (all of them) 
What causes group 12 pseudo-transition metals to have a low mp? - answerLow heat of atomization 
which causes weak intermetallic forces 
Mercury...
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une chem 1011 final week 12 Questions With Complete Solutions
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A cathode correct answer: is an electrode where reduction occurs 
 
In an electrochemical cell based on the following reaction 
Zn(s) + Cu2+(aq) ⟶ Zn2+(aq) + Cu(s) 
Which species acts as the anode? correct answer: Zn(s) 
 
In the reaction 
Mg(s) + 2 Ag+(aq) ⟶ Mg2+(aq) + 2 Ag(s) 
What is the reduction half-reaction? correct answer: 2 Ag+(aq) + 2e- ⟶ 2 Ag(s) 
 
When paired with the anode half-reaction 
Co(s) ⟶ Co2+(aq) + 2 e-; E° = -0.28 V 
Which of the following cathode half-reactions...
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Nutritional Sciences From Fundamentals to Food 3rd Edition Shelley - Test Bank
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Chapter 1 – The Science of Nutrition 
 
Multiple Choice 
 
Answer, level, page	Level: K = knowledge, A = application/critical thinking 
 
What Do We Mean by “Nutrition”? (pp. 5-8) 
 
a	A	6 	1.	Which of the following ingredients in a box of toaster pastries would contribute macronutrients to one’s diet? 
a.	Water, high-fructose corn syrup, egg yolk 
b.	Niacin, folic acid, sucralose 
c.	Riboflavin, salt, sodium benzoate 
d.	Thiamin mononitrate, soybean oil, sugar 
 
c	K	5 	2.	The term “n...
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IGCSE CHEMISTRY STUDY GUIDE EXAM 2024.
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IGCSE CHEMISTRY STUDY GUIDE EXAM 2024. 
 
 
State the name of the gas formed at the anode during the electrolysis sodium chloride solution. (Triple science only!) - CORRECT ANSWER chlorine 
 
State the name of the gas formed at the cathode during the electrolysis sodium chloride solution. (Triple science only!) - CORRECT ANSWER hydrogen 
 
The solution formed after the electrolysis sodium chloride solution was tested with the indicator phenolphthalein. The indicator turned pink. Explain this res...
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Placement Test Study Guide 28 Questions with Verified Answers,100% CORRECT
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Placement Test Study Guide 28 Questions with Verified Answers 
 
Students often underestimate the importance of ________ as a tool for learning. - CORRECT ANSWER Writing 
 
You should always read over the assigned material _______ is it covered in class - CORRECT ANSWER Before 
 
Answers to selected ________ are given in appendix L, p-A-26. T/F - CORRECT ANSWER Even-numbered questions 
True 
 
The __________ provides an overview of each chapter and emphasizes the threads of continuity that run t...
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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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AQA A LEVEL Chemistry All Answers Correct 2024
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AQA A LEVEL Chemistry All Answers Correct 2024 
Relative atomic mass 
of an atom of Carbon-12 
Relative molecular mass 
carbon-12 atom 
The Avogradro constant 
ideal gas equation 
The average mass of an atom of an element, relative to 1/12th of the mass 
Average mass of a molecule compared to 1/12th of the mass of a 
the number of particles in a mole 
pV = nRT 
empirical formula 
the simplest whole number ratio of atoms of each element in a compound 
percentage atom econom...
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AQA A LEVEL Chemistry QUESTIONS AND ANSWERS LATEST TOP SCORE.
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AQA A LEVEL Chemistry QUESTIONS AND ANSWERS LATEST TOP SCORE. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Relative atomic mass - ANS.The average mass of an atom of an element, relative to 1/12th of the mass of an atom of Carbon-12 
 
Relative molecular mass - ANS.Average mass of a molecule compared to 1/12th of the mass of a carbon-12 atom 
 
The Avogradro constant - ANS.the number of particles in a mole 
 
ideal gas equation - ANS.pV = nRT 
 
empirical formula - ANS.the simplest whole number ...
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ACS General Chemistry practice 147 Questions with Verified Answers,100%CORRECT
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ACS General Chemistry practice 147 Questions with Verified Answers 
 
Examples of Lewis-Acid based reactions - CORRECT ANSWER H+(aq) + OH-(aq) →← H2O(l), 
HCl(g) + NH3(g) → NH4Cl(s) 
H+(aq) + OH-(aq) →← H2O(l) 
 
According to the Lewis definition, an acid is a species - CORRECT ANSWER accepting a pair of electrons. 
 
All are potential Lewis bases except - CORRECT ANSWER CH4 
 
Which hydrated metal ion is most acidic under conditions of equal molar concentration in water? - CORRECT ANS...
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