Chemistry 34 molar mass Study guides, Class notes & Summaries
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![Test Bank For Chemistry 4th Edition by Julia Burdge](/docpics/3528991/65175af400f17_3528991_121_171.jpeg)
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Test Bank For Chemistry 4th Edition by Julia Burdge
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Chapter 03 Stoichiometry: Ratios of Combination 
1. Calculate the molecular mass of tetraphosphorus decaoxide, P4O10, a corrosive substance which can be used as a drying agent. 
A. 469.73 amu 
B. 283.88 amu 
C. 190.97 amu D. 139.88 amu E. 94.97 amu 
2. Calculate the formula mass of rubidium carbonate, Rb2CO3. A. 340.43 amu 
B. 255.00 amu 
C. 230.95 amu 
D. 145.47 amu E. 113.48 amu 
3. Calculate the formula mass of (NH4)3AsO4. A. 417.80 amu 
B. 193.05 amu 
C. 165.02 amu 
D. 156.96 amu E. 108.96 a...
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CLEP Chemistry Latest Update Graded A
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CLEP Chemistry Latest Update Graded A John Dalton Proposed that matter is composed of atoms; these atoms have different identities called elements, which combine to form compounds; measured masses of reactants and products. 
J.J. Thompson Observed deflection of particles in a cathode ray tube; proposed that atoms are composed of positive and negative charges; developed the plum pudding model of the atom 
Robert Millikan Calculated the charge-to-mass ratio of electrons using oil drops falling in ...
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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...
![Test Bank For Chemical Principles 8th Edition Zumdahl](/docpics/3536954/65199a5c1101f_3536954_121_171.jpeg)
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Test Bank For Chemical Principles 8th Edition 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 | isoto...
![Test Bank for Chemical Principles 8th Edition by Steven S. Zumdahl](/docpics/3528974/65175990d3af8_3528974_121_171.jpeg)
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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...
![Test Bank For General Chemistry 11th Edition By Ebbing](/docpics/3504763/6512b7615ec02_3504763_121_171.jpeg)
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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)...
![Test Bank For Vander’s Human Physiology 14th Edition (complete) | A Descriptive Test Bank for Vander’s Human Physiology 14th Edition_ Latest updated 2022](/docpics/63abee60e8dd1_2204164.jpg)
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Test Bank For Vander’s Human Physiology 14th Edition (complete) | A Descriptive Test Bank for Vander’s Human Physiology 14th Edition_ Latest updated 2022
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Test Bank For Vander’s Human Physiology 14th Edition A Descriptive Test Bank for Vander’s Human Physiology 14th Edition By Eric P. Widmaier Dr., Hershel Raff, Kevin T. Strang Dr. What is this product? Test Bank for Vander’s Human Physiology 14th Edition is not a textbook, instead, this is a test bank or solution manual as indicated on the product title. Test Bank: This is a supplement to the textbook created by experts to help you with your exams. It is a collection of exam questions based...
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WORLD OF CHEMISTRY 3RD EDITION By STEVEN S. ZUMDAHL - Test Bank
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CHAPTER 3: Chemical Foundations: Elements, Atoms, and Ions 
 
	1.	What is the most abundant element on the Earth (including the crust, oceans, and atmosphere)? 
A. 
silicon 
B. 
oxygen 
C. 
hydrogen 
D. 
iron 
E. 
carbon 
 
 
ANS:	B	PTS:	1	TOP:	Test: Chapter Test	 
NOT:	worldofchem_2013	 
 
	2.	What is the most abundant element found in the human body? 
A. 
oxygen 
B. 
water 
C. 
hydrogen 
D. 
calcium 
E. 
carbon 
 
 
ANS:	A	PTS:	1	TOP:	Test: Chapter Test	 
NOT:	worldofchem_2013	 
 
	3.	The symb...
![ACS General Chemistry practice 147 Questions with Verified Answers,100%CORRECT](/docpics/5593496/666609110db3a_5593496_121_171.jpeg)
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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...
![ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers,100% CORRECT](/docpics/5353370/66490ae0478b8_5353370_121_171.jpeg)
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ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers,100% CORRECT
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ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers 
 
Density - CORRECT ANSWER mass / volume 
 
Conversion from celsius to kelvin - CORRECT ANSWER K = DegC + 273.15 
 
Conversion from DegF to DegC - CORRECT ANSWER DegC = (5/9) (DegF - 32) 
 
Conversion from DegC to DegF - CORRECT ANSWER DegF = (9/5)(DegC) + 32 
 
Intensive properties - CORRECT ANSWER Independent of amount of matter examined 
 
Extensive propertires - CORRECT ANSWER Dependent of amount of matter examined...
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