Chem 120 final 2025 - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Chem 120 final 2025? On this page you'll find 17 study documents about Chem 120 final 2025.
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JMU Chem 120 Final | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+
- Exam (elaborations) • 24 pages • 2024
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JMU Chem 120 Final | 
Questions and Correct 
Answers | Latest Update 
2024/2025 | Graded A+ 
scientific notation - Answer -3.94 x 10⁷= 
0.000008 = 8.0 x 10⁻⁶ 
measured v. exact numbers - Answer -measured = obtained through 
measurement and are uncertain 
exact = obtained through counting and are certain 
precision v. accuracy - Answer -precision = close to each other 
accuracy = close to the actual number 
conversion factor - Answer -a ratio of equivalent measurements used to 
convert a q...
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CHEM-120 CHAMBERLAIN FINAL EXAM | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
- Exam (elaborations) • 71 pages • 2024
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CHEM-120 CHAMBERLAIN 
FINAL EXAM | Questions and 
Correct Answers | Latest 
Update 2024/2025 | 100% Pass 
Chemistry - Answer -The study of the properties of matter and how 
matter changes 
Basic Unit in Chemistry - Answer -atom 
Types of Chemistry - Answer -Green Chemistry 
Sustainable Chemistry 
green chemistry - Answer -uses materials and processes that are 
intended to prevent or reduce pollution at its source 
replacing rare hazardous with more abundant less hazardous 
Example of green chemi...
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CHEM 120 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
- Exam (elaborations) • 58 pages • 2024
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CHEM 120 Final Exam | 
Questions and Correct 
Answers | Latest Update 
2024/2025 | 100% Pass 
B - Answer -How many bonds can nitrogen have? Which rule or 
principle should be used? 
A) Five bonds; octet rule. 
B) Three bonds; octet rule. 
C) Three bonds; the Hund's rule. 
D) Five bonds; the Aufbau Principle. 
C - Answer -When two hydrogen atoms meet, they will attract to each 
other and form a bond (and a H2 molecule). Why? 
A) Because electrons like to stay together. 
B) Because electrons li...
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Chem 120 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
- Exam (elaborations) • 13 pages • 2024
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Chem 120 Final Exam | 
Questions and Correct 
Answers | Latest Update 
2024/2025 | 100% Pass 
molecular mass (molecular weight) - Answer -the sum of the atomic 
masses, in atomic mass units, of all the atoms in the formula of a 
compound 
empirical formula - Answer -a chemical formula showing the ratio of 
elements in a compound rather than the total number of atoms 
Avogadro's number (Mole) - Answer -6.02 x 10^23 
proton - Answer -A subatomic particle that has a positive charge and 
that is ...
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Chem 120 Final | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
- Exam (elaborations) • 15 pages • 2024
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Chem 120 Final | Questions 
and Correct Answers | Latest 
Update 2024/2025 | 100% Pass 
Levelling Effect - Answer -the inability of a solvent to differentiate 
amongst the relative strength of all acids 
OH- - Answer -the strongest base possible 
H3O+ - Answer -the strongest acid possible 
Differentiating effect - Answer -the ability of a solvent to differentiate 
among the relative strengths of all acids 
Common Ion Effect - Answer -the shift in equilibrium caused by the 
addition of a compound...
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Chem 120 final exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
- Exam (elaborations) • 14 pages • 2024
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Chem 120 final exam | 
Questions and Correct 
Answers | Latest Update 
2024/2025 | 100% Pass 
What is the correct order of melting points for the following alkanes, 
from highest to lowest temperature? - Answer -heptane > hexane > 
ethane > methane 
2. Given an alkane that contains 25 carbon atoms. How many hydrogen 
atoms are present in its structure? a) - Answer -) 52 
3. Which of the following properly describes constitutional (structural) 
isomers? - Answer -compounds with the same ...
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Chem 120 Final | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
- Exam (elaborations) • 9 pages • 2024
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Chem 120 Final | Questions 
and Correct Answers | Latest 
Update 2024/2025 | 100% Pass 
Significant Figure - Answer -a digit that is either reliably known or 
closely estimated 
conversion factors - Answer -relationship between two quantities 
expressed as a fraction 
(1 inch/2.45cm) 
element - Answer -the most basic form of matter that exists under 
ordinary condidtions 
compound - Answer -a unique, pure substance that is composed of two 
or more elements which are chemically combined 
atom - A...
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chem 120 final exam study guide | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+
- Exam (elaborations) • 10 pages • 2024
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chem 120 final exam study 
guide | Questions and Correct 
Answers | Latest Update 
2024/2025 | Graded A+ 
chemistry - Answer -the science that tries to understand how matter 
behaves by studying how atoms and molecules behave 
scientific method - Answer -ways of learning that emphasizes 
observation and experimentation (self correcting) 
observation - Answer -we go out in nature and ask questions we 
measure or observe some aspect of nature 
hypothesis - Answer -tentative interpretation of an ob...
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CHEM 120 FINAL EXAM | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+
- Exam (elaborations) • 8 pages • 2024
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CHEM 120 FINAL EXAM | 
Questions and Correct 
Answers | Latest Update 
2024/2025 | Graded A+ 
ionic compounds - Answer --deals with charged particles 
-oppositely charged particles are attracted to each other 
-look for presence of metals and polyatomic ions 
molecular compounds - Answer --share electrons 
-nonmetals 
-no polyatomic ions unless its an acid 
Type I metals - Answer --ionic compounds 
-group 1A,2A,3A 
-one type of charge state 
-Name of metal +ion 
-if metal+nonmetal: 
name of meta...
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Chamberlain Final Chem 120 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
- Exam (elaborations) • 5 pages • 2024
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Chamberlain Final Chem 120 | 
Questions and Correct 
Answers | Latest Update 
2024/2025 | 100% Pass 
Polyatomic ions - Answer -ions that are made of more than one atom 
Nitrate - Answer -NO3- 
Nitrite - Answer -NO2- 
bicarbonate (hydrogen carbonate) - Answer -HCO3- 
Sulfate - Answer -SO4 2- 
Sulfite - Answer -SO3 2- 
Carbonate - Answer -CO3 2- 
cyanide - Answer -CNHydroxide - Answer -OHPhosphate - Answer -PO4 3- 
Ammonium - Answer -NH4+ 
Ionic compounds - Answer -- crystalline solid- hard, britt...
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