Chem 161 lecture 1 - Study guides, Class notes & Summaries
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CHEM 161 Lecture 1 Answers 2023 LATEST UPDATE RATED A+
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CHEM 161 Lecture 1 questions with complete Answers 2023 LATEST UPDATE RATED A+
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What are the SI Base Units? 
length (meter); Mass (kilogram); time (seconds); temperature 
(kelvin); amount of a substance (mole); electric current 
(ampere); luminous intensity (candela) 
What’s the SI Base Unit for length? 
meter
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CHEM 161 Exam Questions and Answers – Latest 2023/2024 (Verified Answers) 100% Correct
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CHEM 161 Exam Questions and Answers – Latest 2023/2024 (Verified Answers) 100% Correct 
Contents 
1 CHEM 161 Lecture 1 Answers 
2 Chem 161 Lecture 2 Answers 
3 Chem 161 Lecture 3 Answers 
4 Chem 161 Lecture 4 
5 Chem 161 Lecture 5 Answers 
6 Chem Lecture 6 Answers 
7 Chem 161 Lecture 7 Answers 
8 Chem 161 Equations 
9 Chem 161 Compounds 
10 Chem 161 Polyatomic Ions 
11 CHEM 161 EXAM 1 Answers 
12 CHEM 161 EXAM 2 Answers 
13 Chem 161 Final Exam Answs 
14 Chem & 161 Course Overview 
14.1 Learnin...
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CHEM 161 Lecture 1 Questions And Answers 100% Correct
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CHEM 161 Lecture 1 Questions And Answers 100% Correct
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Chem 161 Lecture 3 Answers 2023 UPDATE RATED A+
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Chem 161 Lecture 3 
Answers 2023 UPDATE 
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What is a mole? 
number of atoms that has a mass equal to the AMU in grams 
What is Avogadro’s number? 
6.022 x 10^23 atoms/mole 
What is wavelength? 
distance between each wave unit λ 
What is frequency? 
# of waves (cycles) per second 
What are units of wavelength? 
m, mm, nm (length of each λ) 
What are units of v? 
cycles/sec waves/sec sec^-1 Hz (heartz) 
What is the velocity of the wave? 
λ * v = velocity of wave (meter/wave) * (wave/s...
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Chem 161 Lecture 5 Answers LATEST UPDATE 2023 RATED A+
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Chem 161 Lecture 5 Answers 
LATEST UPDATE 2023 
RATED A+ 
What are the four quantum values? 
n is the principal quantum number. It determines the main 
energy level. Values of n are 1,2,3,4,5,…… ℓ is the angular 
momentum quantum number. It determines the shape of the 
orbital Values of ℓ vary from 0 to n-1 mℓ is the magnetic 
quantum number. It determines the orientation of the orbital. 
Values of mℓ vary from -ℓ to +ℓ 
What is n? 
principal quantum number 
What does n determine...
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Chem 161 Lecture 2 Answers 2023 UPDATE RATED A+
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Chem 161 Lecture 2 
Answers 2023 UPDATE 
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How can matter be classified? 
Matter: Purity: 1. Pure Substances A. Elements B. Compounds 2. 
Mixtures A. Homogenous Solutions B. Heterogenous Solutions 
What are the differences between compounds and mixtures? 
Compounds: 1) Definite Composition (with exact chemical 
formula) 2) Have different properties than the elements making 
up the compound (H20 is liquid compared to H2 and O as 
gases) 3) Can be separated into its elements only by chemic...
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CHEM 161 Lecture 1_ Questions And Answers, Chem 161 Equations, Chem 161 Compounds, Chem 161 Polyatomic Ions, Chem 161 Final Exam Package
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CHEM 161 Lecture 1_ Questions And Answers, Chem 161 Equations, Chem 161 Compounds, Chem 161 Polyatomic Ions, Chem 161 Final Exam Package
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CHEM 161 Lecture 1 Answers | 2023 Approved
- Exam (elaborations) • 87 pages • 2023
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What are the SI Base Units? 
length (meter); Mass (kilogram); time (seconds); temperature (kelvin); amount of a substance (mole); electric current (ampere); luminous intensity (candela) 
 
What’s the SI Base Unit for length? 
meter 
 
What’s the SI Base Unit for mass? 
kilogram (kg) 
 
What’s the SI Base Unit for time? 
second (s) 
 
What’s the SI Base Unit for amount? 
mole (m) 
 
What’s the SI Base Unit for temperature? 
Kelvin 
 
What’s the SI Base Unit for current? 
ampere ...
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CHEM 161 Test Answers (LATEST UPDATE) ALL ANSWERS CORRECT
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CHEM 161 Test Answers 
CHEM 161 Lecture 1 Answers 
 
What are the SI Base Units? 
length (meter); Mass (kilogram); time (seconds); temperature (kelvin); amount of a substance (mole); electric current (ampere); luminous intensity (candela) 
 
What’s the SI Base Unit for length? 
meter 
 
What’s the SI Base Unit for mass? 
kilogram (kg) 
 
What’s the SI Base Unit for time? 
second (s) 
 
What’s the SI Base Unit for amount? 
mole (m) 
 
What’s the SI Base Unit for temperature? 
Kelv...
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