12 h 2 o 2 h2 o2 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)
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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 The Molecular Science 5th Edition by John W. Moore
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Chapter 3: Chemical Reactions 
1. Which of the following cannot be determined from a balanced chemical equation? 
a. b. c. d. e. 
ANSWER: POINTS: TOPICS: OTHER: 
The number of molecules of reactants and products. The number of atoms of each element reacting. 
The number of moles of reactants and products. The relative mass of each reactant and product. Whether the reaction will proceed as written. 
e 
1 
3.1 Chemical Equations Comprehension 
2. In the reaction given below, if 12 moles of aluminu...
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PORTAGE LEARNING CHEM 210 exams 1-8 and final exam
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Portage Learning CHEM 210 exams 1-8 and final exam 
 
Question 1 
3 / 3 pts 
 
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. 
 
 
 
True Correct! 
False Question 2 
3 / 3 pts 
True or False: Biomolecules can have only two functional groups. 
 
True Correct! 
False Question 3 
3 / 3 pts 
 
True or False: The following functional group is an alcohol. 
 
 
 
 
 
True Correct! 
False Question 4 
3 / 3 pts 
 
True or False: In ...
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RNAS C Practice Test Review 437 Questions with Verified Answers,100% CORRECT
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RNAS C Practice Test Review 437 Questions with Verified Answers 
 
A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. 
if in series, voltage drops would occur 
 
they can be treated together 
 
If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: 
A. 25%. 
B. 33%. 
C. 67%. 
D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...
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MCAT entrance exam all subjects combined questions & answers latest update
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m 
 
 
 
 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A.	Antibody/protein hybridization	B. DNA/RNA combination	C. RNA ...
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Anatomy and Physiology I Final exam 2024 test bank 20242025 (questions and answers) GRADED A UPDATE
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Question 1 Correct 1.00 points out of 1.00 Flag question Question text In an ecosystem, energy Select one: a. comes ultimately from bacteria b. cycles along with chemical nutrients c. typically flows from producers through a series of consumers d. typically flows from consumers to producers to decomposers Question 2 Correct 1.00 points out of 1.00 Flag question Question text Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least in...
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CHEM 103 MODULE 2 EXAM 2022
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CHEM 103 
MODULE 2 EXAM 2022 
Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
Show the calculation of the molecular weight for the following compounds, reporting your answer to 2 places after the decimal. 
1. Al2(CO3)3 
2. C8H6NO4Cl 
1. 2Al + 3C + 9O = 233.99 
2. 8C + 6H + N + 4O + Cl = 215.59 
Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
Show the calculation of the number of moles in the giv...
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CAMPBELL BIOLOGY CONCEPTS AND CONNECTIONS 10TH EDITION BY MARTHA | CH 2 | ACTUAL EXAM QUESTIONS & ANSWERS | VERIFIED LATEST UPDATE
- Exam (elaborations) • 26 pages • 2023
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CAMPBELL BIOLOGY CONCEPTS AND CONNECTIONS 
10TH EDITION BY MARTHA | CH 2 | ACTUAL EXAM 
QUESTIONS & ANSWERS | VERIFIED LATEST UPDATE 
Campbell Biology: Concepts and Connections, 10e (Taylor) 
Chapter 2 The Chemical Basis of Life 
2.1 Multiple Choice Questions 
1) The four most common elements in living organisms are 
A) C, H, O, Fe. 
B) C, H, O, Na. 
C) C, H, O, N. 
D) C, N, O, Na. 
Answer: C 
Topic: 2.1 
Skill: Remembering/Understanding 
Learning Outcome: 2.1 
2) Which element is a trace elem...
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Straighterline CHEM101 General Chemistry I Graded Exam 2 (New Version June 2024)
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Question 1 
Correct 
5.00 points out 
of 5.00 
Aluminum sulfate, Al2(SO4)3, is used in tanning leather, purifying water, and the 
manufacture of antiperspirants. Calculate its formula mass. 
Select one: 
A. 342.17 amu 
B. 315.15 amu 
C. 278.02 amu 
D. 74.98 amu 
E. 450.06 amu 
Question 2 
Correct 
5.00 points out 
of 5.00 
Calculate the molar mass of sulfuric acid. 
Select one: 
A. 98.086 g/mol 
B. 49 g/mol 
C. 81.078 g/mol 
D. 41 g/mol 
E. None of the answers is correct. 
Straighterline CHEM101...
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General Chemistry ACS EXAM (2015 version) 60 Questions with Verified Answers,100% CORRECT
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General Chemistry ACS EXAM (2015 version) 60 Questions with Verified Answers 
 
A 20.0 g sample of mercury(II) oxide (HgO, M = 216.6) 
is heated strongly, causing it to decompose to metallic Hg and O2 gas. What volume of O2 gas is produced 
(measured at STP)? 
 
(A) 1.03 L 
(B) 2.07 L 
(C) 4.14 L 
(D) 14.0 L - CORRECT ANSWER A 
 
When 30.0 mL of 0.10 M AgNO3 is added to 30.0 mL of 
0.10 M NaCl, aqueous NaNO3 and solid AgCl are 
formed. How much solid AgCl is produced? 
 
(A) 0.0030 mol 
(B) 0.0...
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