And molar mass - 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 Fundamentals of Physics, Extended, 12th Edition by David Halliday
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Test Bank for Fundamentals of Physics, Extended, 12e 12th Edition by David Halliday, Robert Resnick, Jearl Walker. Full Chapters test bank are included - Chapter 1 to 44 
 
1 Measurement 1 
 
1.1 Measuring Things, Including Lengths 1 
 
1.2 Time 5 
 
1.3 Mass 6 
 
2 Motion Along a Straight Line 13 
 
2.1 Position, Displacement, and Average Velocity 13 
 
2.2 Instantaneous Velocity and Speed 18 
 
2.3 Acceleration 20 
 
2.4 Constant Acceleration 23 
 
2.5 Free-Fall Acceleration 28 
 
2.6 Graphica...
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ACS General Chemistry 2 Final Exam Study Guide |2024 Release|
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ACS General Chemistry 2 Final Exam 
Study Guide |2024 Release| 
C 
Where is the hydrophilic (attracted to water) region of the molecule? 
(A) Region 1 
(B) Region 2 
(C) Region 3 
(D) The three regions are equally hydrophilic 
C 
Which molecule is most soluble in water? 
D 
A solution of NaCl in water has a concentration of 20.5% by mass. What is the molal 
concentration of the solution? 
Molar Mass NaCl = 58.44 g/mol 
(A) 0.205 m 
(B) 0.258 m 
(C) 3.51 m 
(D) 4.41 m 
B 
What is the mole fract...
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NCC WOMEN'S HEALTH CARE PRACTITIONER WHNP 5 EXAM QUESTIONS AND ANSWERS 2024.
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NCC WOMEN'S HEALTH CARE PRACTITIONER WHNP 5 EXAM QUESTIONS AND ANSWERS 2024. 
A 24 year old woman comes in for evaluation because of darkening of her nipples 
and increased breast sensitivity. The NP orders what test? 
a) beta HCG 
b) serum prolactin 
c) testosterone level - Answer Beta HCG 
NOB patient has cystic fibrosis. The fetus is at risk for... 
a) growth restriction 
b) respiratory failure 
c) pulmonary hypoplasia - Answer Growth restriction (d/t lack of oxygen & poor 
dietary intake) 
...
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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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Student Exploration: Moles, Avogadro, and Molar Mass Exam with Complete Solutions
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Moles, Avogadro, and Molar Mass Exam 
with Complete Solutions 
Activity: Moles, Avogadro, and Molar Mass 
Prior Knowledge Questions 
1. In the image, note a dozen eggs, a dozen donuts and a 
dozen roses. How many of each item do you have? 12 eggs, 
12 donuts, and 12 roses. 
2. Would a dozen of each object have the same mass? No 
3. Suppose you have a dozen silver atoms, a dozen oxygen atoms, and a dozen lithium atoms. 
Even though you have the same number of each, will they all have the sam...
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FL 5 AAMC MCAT question with complete solution 2023
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FL 5 AAMC MCAT question with complete solution 2023What is the chemical structure of a component found in four of the five cofactors used by Na+-NQR? - correct answer says it is composed of flavin 
structure is a nucleotide base 
structure B could be 
structure C also could be 
structure D is an amino acid 
down between B and C 
to help, look at the captioned note on the table. it says Fl represents flavin which is the redox active center in four of the five cofactors of Na+-NQR 
C has an ubi...
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Chapter 7 Moles and Molar Mass exam with 100% Correct answers already graded A+
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Avogadro's Number 
in honor of Amadeo Avogadro 
() 
 
 
 
The mole (mol) 
The unit for counting atoms. 
 
The mole is a unit for counting just as a dozen or a ream or a gross is used to count. 
 
 
 
Atomic mass for an element 
The average relative mass of all the isotopes for the element. 
 
 
 
1 mole atoms = 
 
 
 
1 mole molecules = 
 
 
 
The atomic mass of an element in grams contains (2) 
The atomic mass of an element in grams contains... 
 
(1) Avogadro's number of atoms (2) and is def...
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CHEM120 Week 8: Exam 3 (Units 5, 6, and 7) – With 100% Correct Answers- Download To Score An A+
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CHEM120 Week 8: Exam 3 (Units 5, 6, and 7) – With 100% Correct Answers- Download To Score An A+ 1. Question: (TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine t he number of grams of H3PO4 needed to prepare 0.25L of a 0.2M H3PO4 solution. Show your work. (b, 5 pts) What volume, in Liters, of a 0.2 M H3PO4 solution can be prepared by diluting 50 mL of a 5M H3PO4 solution? Show your work. (Pts. : 10) A. Molarity = moles of solute/liters of solution moles of solute ...
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The Dental Hygienists Guide to Nutritional Care 5th Edition by Cynthia A. Stegeman - Test Bank
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Chapter 03: The Alimentary Canal: Digestion and Absorption 
Stegeman: The Dental Hygienist’s Guide to Nutritional Care, 5th Edition 
 
MULTIPLE CHOICE 
 
	1.	Each is a portion of the alimentary canal, except one. Which is the exception? 
a. 
Oral cavity 
b. 
Pharynx 
c. 
Larynx 
d. 
Esophagus 
e. 
Small intestine 
 
 
ANS:	C 
The larynx is not a portion of the alimentary canal. This tubular structure is approximately 30-ft long and comprises all the body parts through which food passes. 
 
DIF...
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