Chemistry 2a - Study guides, Revision notes & Summaries
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Test Bank for Chemical Principles 8th Edition by Steven S. Zumdahl
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Chapter 03 - Stoichiometry 
1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains 
a. 79 protons, 79 electrons, and 35 neutrons. 
b. 35 protons, 44 neutrons, and 35 electrons. 
c. 44 protons, 44 electrons, and 35 neutrons. 
d. 34 protons and 35 electrons only. 
e. 35 protons, 79 neutrons, and 35 electrons. 
ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: 
b 
1 
easy 
3.1 
atomic theory of matter | early atomic theory | general chemistry | is...
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Chemistry in Context Applying Chemistry to Society 9Th Edition -Test Bank
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1. The quantity 0.0000064 g expressed in scientific notation. A.6.4×106 g 
B. 6.4 × 10 ̄6 g 
C.6.4×107 g 
D. 6.4 × 10 ̄7 g 
Accessibility: Keyboard Navigation Bloom's Level: 3. Apply 
Chapter: 01 
Section: 01.08 
Subtopic: Scientific Notation Topic: Study of Chemistry 
Feedback: Negative powers of ten move the decimal to the left. 
2. The quantity 8.7 × 105 g expressed in standard decimal notation. A. 0.000087 g 
B. 870.000 g 
C. 0.0000087 g 
D. 870,000 g 
Accessibility: Keyboard Navigat...
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PICAT - ASVAB Practice Test Q&A 100% Verified Correct 2023 Solution
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PICAT - ASVAB Practice Test Q&A 100% Verified Correct 2023 Solution 
 
 
ADMONITION most nearly means - CORRECT ANS - A warning 
 
Virulent - CORRECT ANS - extremely poisonous; hateful (toxic) 
 
Conscious - CORRECT ANS - Awareness of our surroundings/feeling 
 
Lambaste - CORRECT ANS - to criticize harshly 
 
Abrasive - CORRECT ANS - polishing 
 
 
 
 
 
 
In chemistry, to be classified as an organic substance, it must contain? - CORRECT ANS - Carbon atoms 
 
Capillary action - CORRECT ANS - t...
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HESI A2 Chemistry Latest Update 2024
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HESI A2 Chemistry Latest Update 2024 
Chemistry 
The study of matter and its properties and how those properties relate to one another 
 
 
Three states of matter 
solid, liquid, gas 
 
 
Scientific notation 
The scientific system of writing numbers. A method to write very big or very small numbers easily. Is composed of three parts: a mathematical sign, + or -, the significand, and the exponential, sometimes called the logarithm. 
 
 
Mathematical sign 
designates whether the number is positive...
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General Chemistry ACS Study Guide 69 Questions with Verified Answers,100% CORRECT
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General Chemistry ACS Study Guide 69 Questions with Verified Answers 
 
Isotopes - CORRECT ANSWER when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` 
 
What was believed until the beginning of the 20th century? - CORRECT ANSWER That all physical phenomena were deterministic 
 
Light - CORRECT ANSWER Form of electromagnetic radiation 
 
What is electromagnetic radiation composed of? - CORRECT ANSWER perpendicular oscillating waves, one for the magnetic f...
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Test Bank For General Chemistry 11th Edition By Ebbing
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1. The molecular formula of a particular solid is C8H4O6. Its molecular mass is 
 	a. 	288 amu. 
 	b. 	100 amu. 
 	c. 	296 amu. 
 	d. 	196 amu. 
 	e. 	170 amu. 
ANSWER: 	d 
POINTS: 	1 
DIFFICULTY: 	easy 
REFERENCES: 	3.1 
LEARNING OBJECTIVES: 	GENE.EBBI.13.67 - Calculate the formula mass from a formula. (Example 3.1) 
TOPICS: 	mass and moles of substance 
stoichiometry 
KEYWORDS: 	molecular mass 
OTHER: 	general chemistry 
 
 
2. The hydrocarbon octane has the structural formula CH3(CH2)...
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OCR A Level in Chemistry A
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Contents 
Introducing…A Level Chemistry A (from September 2015) ii 
Teaching and learning resources iii 
Professional Development iv 
1 Why choose an OCR A Level in Chemistry A? 1 
1a. Why choose an OCR qualification? 1 
1b. Why choose an OCR A Level in Chemistry A? 2 
1c. What are the key features of this specification? 3 
1d. How do I find out more information? 4 
2 The specification overview 5 
2a. Overview of A Level in Chemistry A (H432) 5 
2b. Content of A Level in Chemistry A (H432) 6 
...
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HESI A2 Chemistry Latest Update 2024
- Exam (elaborations) • 11 pages • 2024
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HESI A2 Chemistry Latest Update 2024 
Chemistry 
The study of matter and its properties and how those properties relate to one another 
 
 
Three states of matter 
solid, liquid, gas 
 
 
Scientific notation 
The scientific system of writing numbers. A method to write very big or very small numbers easily. Is composed of three parts: a mathematical sign, + or -, the significand, and the exponential, sometimes called the logarithm. 
 
 
Mathematical sign 
designates whether the number is positive...
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General Chemistry ACS Final Exam 89 Questions with Verified Answers,100% CORRECT
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General Chemistry ACS Final Exam 89 Questions with Verified Answers 
 
Protons - CORRECT ANSWER defines the element; positive charge; equal to the atomic number 
 
Neutrons - CORRECT ANSWER equal to mass number-number of protons; neutral charge 
 
Electrons - CORRECT ANSWER negative charge; dependent on the charge of the atom 
 
Cations - CORRECT ANSWER Positively charged ions 
 
Anions - CORRECT ANSWER Negatively charged ions 
 
Isotopes - CORRECT ANSWER when the number of neutrons varies but i...
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Test Bank - Chemistry: The Central Science, 13th Edition Exam Questions with correct Answers
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Test Bank - Chemistry: The Central Science, 13th Edition Exam Questions with correct Answers 
 
.Accuracy - ANSWER-A description of how close a measurement is to the true value of the quantity measured. 
 
.Alcohols - ANSWER-Alkanes that have 1+ hydrogens replaced by -OH, e.g. Methanol, ethanol 
 
subgroup of alkanes 
 
ex: 
CH4 (methane) --> CH3OH (methanol) 
(same # of C and H but +1 O) 
 
-e + ol --> methan (-e) + (-ol) --> methanol 
 
C2H6 --> C2H5OH --> ethane --> ethanol ...
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