Mole conversions Study guides, Class notes & Summaries
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update)
- Exam (elaborations) • 35 pages • 2024
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) 
 
 
MODULE 1 EXAM 
Question 1	 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
1.	Convert 845.3 to exponential form and explain your answer. 
2.	Convert 3.21 x 10-5 to ordinary form and explain your answer. 
 
 
1.	Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places 
= 8.453 x 102 
2.	Convert 3.21 x 10-5 = negative exponent = smalle...
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Test Bank For Chemistry 4th Edition by Julia Burdge
- Exam (elaborations) • 809 pages • 2023 Popular
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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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Test Bank for Introduction to General, Organic and Biochemistry, 12th Edition by Bettelheim
- Exam (elaborations) • 928 pages • 2022
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Test Bank for Introduction to General, Organic and Biochemistry 12e 12th Edition by Frederick A. Bettelheim; William H. Brown; Mary K. Campbell; Shawn O. Farrell; Omar Torres. 
 
ISBN-13: 1594 
 
Full Chapters test bank 
 
Chapter 1: Matter, Energy, and Measurement 
1.1 Chemistry and the Study of Matter 
1.2 The Scientific Method 
1.3 Reporting Numbers in Science 
1.4 Making Measurements 
1.5 Unit Conversions 
1.6 States of Matter 
1.7 Density and Specific Gravity 
1.8 Describing the Various For...
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Kinetics Quiz 3 Study Set question n answers 2024
- Exam (elaborations) • 14 pages • 2024
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Kinetics Quiz 3 Study SetAs the relative costs of the reactor increase, which of the following are generally expected to be true for positive order reactions? 
a. The reactor volume will need to be larger 
b. Higher conversions will generally be optimal 
c. A CSTR will be desirable over a PFR 
d. Lower conversions will generally be optimal 
e. None of the above - correct answer d. Lower conversions will generally be optimal 
If reactor costs are relatively expensive as compared to the other cost...
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CHEM 120 Week 3 Virtual Lab; Solution Preparation Part I, Part II
- Other • 8 pages • 2023
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Learning Objectives: 
•	Explain the relationship between mass, molecular weight, and numbers of atoms or molecules and perform calculations deriving these quantities from one another 
•	Perform mass-to-mass stoichiometric calculations via conversions to moles 
•	Identify the limiting and excess reagents in a chemical reaction 
•	Calculate the theoretical, actual and percent reaction yield 
•	Define Avogadro’s number and describe the mole quantification of matter 
•	Explain relation...
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Kinetics Quiz 3 Study Set with 100% correct answers
- Exam (elaborations) • 14 pages • 2024
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Kinetics Quiz 3 Study SetAs the relative costs of the reactor increase, which of the following are generally expected to be true for positive order reactions? 
a. The reactor volume will need to be larger 
b. Higher conversions will generally be optimal 
c. A CSTR will be desirable over a PFR 
d. Lower conversions will generally be optimal 
e. None of the above - correct answer d. Lower conversions will generally be optimal 
If reactor costs are relatively expensive as compared to the other cost...
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Test Bank For Chemistry 13Th Edition By Raymond Chang
- Exam (elaborations) • 1840 pages • 2023
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Chapter 03 - Mass Relationships in Chemical Reactions 
Multiple Choice Questions 
Chapter 03 Mass Relationships in Chemical Reactions 
1. An atom of helium has a mass about four times greater than that of an atom of hydrogen. Which choice makes the correct comparison of the redative numbers of helium and hydrogen atoms in equal masses of the two elements? 
A. There are about four times as many helium atoms as hydrogen atoms. 
B. There are about two times as many helium atoms as hydrogen atoms. C...
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CHEM 120 Week 3 Virtual Lab; Stoichiometric Calculations Part I, Part II
- Other • 3 pages • 2023
- Available in package deal
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- $20.99
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Learning Objectives: 
•	Explain the relationship between mass, molecular weight, and numbers of atoms or molecules and perform calculations deriving these quantities from one another 
•	Perform mass-to-mass stoichiometric calculations via conversions to moles 
•	Identify the limiting and excess reagents in a chemical reaction 
•	Calculate the theoretical, actual and percent reaction yield 
•	Define Avogadro’s number and describe the mole quantification of matter
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Chemistry Test Molar Mass exam with 100% Correct answers already graded A+
- Exam (elaborations) • 3 pages • 2024
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Define: Avogadro's number 
6.023x 10^23 
One mole of a pure substance 
 
 
 
Define: Empirical Formula 
elements combined in a compound with subscripts showing the smallest whole-number mole ratio 
 
 
 
Define: Molecular formula 
a formula showing the types and numbers of atoms combined in a single molecule of a molecular compound 
 
 
 
Define: Formula mass 
the sum of the average atomic masses of all the atoms represented in the formula of any molecule, formula unit, or ion 
 
 
 
Define: Mo...
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CHEM 103 MODULE 1 EXAM 2023/202
- Exam (elaborations) • 35 pages • 2023
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CHEM 103 MODULE 1 EXAM 2023/2024 
MODULE 1 EXAM 
Question 1 
Click this link to access the Periodic Table. This may be helpful throughout 
the exam. 
1. Convert 845.3 to exponential form and explain your answer. 
2. Convert 3.21 x 10-5 
to ordinary form and explain your answer. 
1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places 
= 8.453 x 102 
2. Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 
places = 0.0000321 
Question 2 
Click this link to...
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