Convert grams to moles 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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HESI A2 ENTRANCE EXAM: READING COMPREHENSION, CHEMISTRY, GRAMMAR, BIOLOGY, VOCABULARY & GENERAL KNOWLEDGE, CRITICAL THINKING, ANATOMY & PHYSIOLOGY AND MATH
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HESI A2 ENTRANCE EXAM: READING 
COMPREHENSION, CHEMISTRY, 
GRAMMAR, BIOLOGY, VOCABULARY 
& GENERAL KNOWLEDGE, CRITICAL 
THINKING, ANATOMY & PHYSIOLOGY 
AND MATH 
VERSION 2 
(With answers) 
Reading Comprehension 
Neurologists and biological psychologists have witnessed a sharp increase in the knowledge 
and understanding of particular structures of the brain over the past two decades. As technology 
becomes ever more advanced, scientists are able to isolate the functions of even small regions of ...
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TAMU BIOL 111 FLETCHER FINAL EXAM WITH VERIFIED SOLUTIONS ALREADY GRADED A+
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describe the basic functions all life forms must accomplish 
-response to environmental stimuli & maintain homeostasis 
-uptake and processing of nutrients/energy 
-regulation 
-growth and reproduction 
 
 
 
compare and contrast eukaryotic and prokaryotic cell types 
Prokaryotes: 
-circular chromosomes, no nucleus, no organelles, 3.5 bya 
-DNA concentrated in nucleoid 
Eukaryotes: 
-linear chromosomes, nucleus, organelles, 1.5 bya 
-DNA concentrated in nucleus 
Both: 
-cellular function takes p...
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Portage Learning / CHEM 104 / Module 1 to 6 Exams
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Portage Learning / CHEM 104 / Module 1 to 6 Exams 
. 
 
MODULE 1 EXAM 
Question 1	 Convert 845.3 to exponential form and explain your answer. 
1.	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. 
 
Question 2	 
 
 
Using the following information, do the conversions shown below, showing all work:...
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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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Straighterline CHEM101 Final Exam Questions and Answers Rated A+
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Straighterline CHEM101 Final Exam 
Questions and Answers Rated A+ 
 
total number of neutrons and protons in an atom; # protons + # electrons Mass Number 
 
Most nonmetallic elements are found in which block of the periodic table? p 
 
Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... 
Positive matter is concentrated in the central core 
 
Plants use up copious amounts of which alkali metal, preventing most of it from being washed 
out to sea? Potassiu...
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Straighterline CHEM101 Final Graded A+
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Straighterline CHEM101 Final Graded A+ 
Mass Number ️total number of neutrons and protons in an atom; # protons + # electrons 
p ️Most nonmetallic elements are found in which block of the periodic table? 
Positive matter is concentrated in the central core ️Ernest Rutherford disproved J.J. Thomson's plum 
pudding model of the atom by showing that... 
Potassium ️Plants use up copious amounts of which alkali metal, preventing most of it from being 
washed out to sea? 
2:1:1:2 ️Wha...
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UCSB CHEM 6AL Final Exam Questions With 100% Correct Answers.
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Intermolecular forces and how they affect physical properties /purification techniques: dipole-dipole, 
electrostatic, hydrogen, ion, london, - Answer-*dipole-dipole*: polar covalent molecules such as 
aldehydes and ketones. positive and negative end. polar molecules must be close together for force 
to be significant. weaker than ion-dipole forces; increase with polarity of molecule. 
*electrostatic*: occur between charged species, cations and anions, and are responsible for very high 
MP and B...
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STRAIGHTERLINE CHEM101 FINAL
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total number of neutrons and protons in an atom; # protons + # electrons 
p 
Most nonmetallic elements are found in which block of the periodic table? 
Positive matter is concentrated in the central core 
Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... 
Potassium 
Plants use up copious amounts of which alkali metal, preventing most of it from being washed out to sea? 
2:1:1:2 
What is the ratio of reactants and products in the chemical equation? 
__N...
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Straighterline CHEM101 Final Exam Graded A+
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Mass Number - ANSWER-total number of neutrons and protons in an atom; # protons + # electrons 
 
p - ANSWER-Most nonmetallic elements are found in which block of the periodic table? 
 
Positive matter is concentrated in the central core - ANSWER-Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... 
 
Potassium - ANSWER-Plants use up copious amounts of which alkali metal, preventing most of it from being washed out to sea? 
 
2:1:1:2 - ANSWER-What is the r...
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