Atoms to grams co Study guides, Class notes & Summaries
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CHEM133 Week 4 Lesson 2 Quiz
- Exam (elaborations) • 10 pages • 2023
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1.	Question: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of 
2.	Question: What volume of 18 M sulfuric acid must be used to prepare 1.80 L of 0.215 M H2SO4? 
3.	Question: What is the molecular mass of Br2? 
4.	Question: What is the molar concentration of sulfate ions in a 0.150 M Na2SO4 solution? 
5.	Question: How many moles of hydrogen chloride are contained in a 52.6 g sample of this gas? 
6.	Question: 1.00 mole of O2 contains the same number ...
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Test Bank For Chemistry The Central Science 14th Edition Brown
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Chemistry: The Central Science, 14e (Brown, et al.) 
Chapter 3 Chemical Reactions and Reaction Stoichiometry 
 
3.1 Multiple-Choice Questions 
 
1) When the following equation is balanced, the coefficients are ________. 
 
	C8H18 + O2 → CO2 + H2O 
 
A) 2, 3, 4, 4 
B) 1, 4, 8, 9 
C) 2, 12, 8, 9 
D) 4, 4, 32, 36 
E) 2, 25, 16, 18 
Answer: E 
Diff: 2 Var: 1 Page Ref: Sec. 3.1 
LO: 3.1 
GO: G2 
 
2) Of the reactions below, which one is not a combination reaction? 
A) C + O2 → CO2...
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CHEM133 Week 4 Lesson 2 Quiz (All Correct)
- Exam (elaborations) • 10 pages • 2023
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1.	Question: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of 
2.	Question: What volume of 18 M sulfuric acid must be used to prepare 1.80 L of 0.215 M H2SO4? 
3.	Question: What is the molecular mass of Br2? 
4.	Question: What is the molar concentration of sulfate ions in a 0.150 M Na2SO4 solution? 
5.	Question: How many moles of hydrogen chloride are contained in a 52.6 g sample of this gas? 
6.	Question: 1.00 mole of O2 contains the same number ...
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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...
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Test Bank for Chemistry in Focus A Molecular View of Our World 5th Edition by Nivaldo
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Chapter 1—Molecular Reasons 
 MULTIPLE CHOICE 
1. Which of these is the best definition of matter? 
a. The pull of gravity on an object. 
b. Anything that has weight and volume. 
c. Anything that has mass and occupies space. 
d. Anything that is directly proportional to weight. 
e. The measure of the amount of space an object occupies. 
ANS: C PTS: 1 
2. Which of these statements is correct? 
a. The amount of carbon on earth is essentially constant. 
b. The amount of carbon on earth fluctuates...
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CHEM133 Week 4 Lesson 2 Quiz Questions and Answers APU
- Exam (elaborations) • 10 pages • 2023
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1.	Question: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of 
2.	Question: What volume of 18 M sulfuric acid must be used to prepare 1.80 L of 0.215 M H2SO4? 
3.	Question: What is the molecular mass of Br2? 
4.	Question: What is the molar concentration of sulfate ions in a 0.150 M Na2SO4 solution? 
5.	Question: How many moles of hydrogen chloride are contained in a 52.6 g sample of this gas? 
6.	Question: 1.00 mole of O2 contains the same number ...
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CHEM133 Week 4 Lesson 2 Quiz
- Exam (elaborations) • 10 pages • 2023
-
- $22.49
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1.	Question: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of 
2.	Question: What volume of 18 M sulfuric acid must be used to prepare 1.80 L of 0.215 M H2SO4? 
3.	Question: What is the molecular mass of Br2? 
4.	Question: What is the molar concentration of sulfate ions in a 0.150 M Na2SO4 solution? 
5.	Question: How many moles of hydrogen chloride are contained in a 52.6 g sample of this gas? 
6.	Question: 1.00 mole of O2 contains the same number ...
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ABR Therapeutic Medical Physics Part 2 | 357 Questions and Answers with Complete Solutions 100% Correct | Latest Update 2024
- Exam (elaborations) • 34 pages • 2024
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ABR Therapeutic Medical Physics Part 2 | 357 Questions and Answers with Complete Solutions 100% Correct | Latest Update 2024
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CHEM133 Week 4 Lesson 2 Quiz
- Exam (elaborations) • 10 pages • 2023
- Available in package deal
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- $34.65
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1.	Question: If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of 
2.	Question: What volume of 18 M sulfuric acid must be used to prepare 1.80 L of 0.215 M H2SO4? 
3.	Question: What is the molecular mass of Br2? 
4.	Question: What is the molar concentration of sulfate ions in a 0.150 M Na2SO4 solution? 
5.	Question: How many moles of hydrogen chloride are contained in a 52.6 g sample of this gas? 
6.	Question: 1.00 mole of O2 contains the same number ...
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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)...