Chem 120 exam 1 2025 - Study guides, Class notes & Summaries
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CHEM 120 Chamberlain EXAM 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
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CHEM 120 Chamberlain EXAM 
1 | Questions and Correct 
Answers | Latest Update 
2024/2025 | 100% Pass 
Hypothesis 
a testable educated guess 
Experiment 
how we test hypotheses 
Variable 
Idea to be tested (only one) 
Control 
Something the variable is tested againstExperimental protocol 
How do you do the test? 
Results 
Data generated comparing variable to controls. Includes statistics to 
show results are meaningful
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Chem 120 Exam 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
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Chem 120 Exam 1 | Questions 
and Correct Answers | Latest 
Update 2024/2025 | 100% Pass 
Fahrenheit to Celsius Equation - Answer -C=(F-32)/1.8 
Celsius to Fahrenheit Equation - Answer -F=1.8C+32 
Celsius to Kelvin Equation - Answer -C=K-273.15 
Kelvin to Celsius Equation - Answer -K=C+273.15 
Rutherford - Answer --Nuclear Theory of the Atom 
- Directed Alpha particles at a thin sheet of gold and observed they did 
not go straight through as expected 
-Principles 
1: Most of atom's mass is in ...
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CHEM 120 Exam 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
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CHEM 120 Exam 1 | Questions 
and Correct Answers | Latest 
Update 2024/2025 | 100% Pass 
Celsius formula - Answer -C= (F-32)/1.8 
Kelvin formula - Answer -K=C+273.15 
density formula and units - Answer -D (g/mL, g/L, Kg/m^3)= M (kg) / V 
(m^3, cm^3, L , mL) 
Precision - Answer -a measure of how close a series of measurements 
are to one another 
Accuracy - Answer -how close a measurement is to the true value 
Law of Conservation of Energy - Answer -En
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CHEM 120 Exam #1 | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+
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CHEM 120 Exam #1 | Questions 
and Correct Answers | Latest 
Update 2024/2025 | Graded A+ 
define matter - Answer -anything that has mass and takes up space 
what is not considered matter? - Answer -light, heat, electricity 
definite shape, definite volume - Answer -solid 
indefinite shape, definite volume - Answer -liquid 
indefinite shape, indefinite volume - Answer -gas 
pure substance - Answer -one substance; definite and constant 
composition; can't be separated into 2 kinds of matter by ...
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Chem 120- Exam #1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
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Chem 120- Exam #1 | 
Questions and Correct 
Answers | Latest Update 
2024/2025 | 100% Pass 
What is a good scientific definition of a chemical? - Answer -Chemicalany substance made up of one or more elements from the periodic 
table 
What is the difficulty in defining the chemical industry in terms of the 
periodic chart? - Answer -The definition of a chemical is too broad. Too 
much would be included in the chemical industry. 
What is the chief source of the chemicals known as inorganic 
chemic...
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Chem 120 Exam 1 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
- Exam (elaborations) • 5 pages • 2024
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Chem 120 Exam 1 | Questions 
and Correct Answers | Latest 
Update 2024/2025 | 100% Pass 
SI unit for Temperature - Answer -C 
F - Answer -(9/5 C) + 32 
C - Answer -5/9 (F -32) 
K - Answer -C+273.15 
density - Answer -mass/volume 
1 mL - Answer -=1cm^3 = 1cc 
percent error - Answer -difference from known value/known value x 
100 
sig fig for Addition/Subtraction - Answer -answer has the same number 
of decimal places as the factor with the least amount of decimal places 
sig fig rules for multipl...
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CHEM 120 Exams Bundle Latest 2024 - 2025 (Final Exam 1 - 5, Midterm Exam 1, 2, Exam 1, 2, Review Guide, Chem 120 Lab Final, Chem 120 Week 7 ) | A Rated Guide | Questions and Answers (Solved)
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CHEM 120 Exams Bundle Latest 2024 - 2025 (Final Exam 1 - 5, Midterm Exam 1, 2, Exam 1, 2, Review Guide, Chem 120 Lab Final, Chem 120 Week 7 ) | A Rated Guide | Questions and Answers (Solved)

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Chem 120 week 1 BEST STUDYING MATERIAL WITH VERIFIED ANSWERS LATEST VERSION UPDATE 2024-2025 WITH 100+ QUESTIONS
- Exam (elaborations) • 21 pages • 2024
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Chem 120 week 1 BEST STUDYING 
MATERIAL WITH VERIFIED ANSWERS 
LATEST VERSION UPDATE WITH 
100+ QUESTIONS
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CHEM 120 Final Exams Set ( Exam 1 - 5 ) Latest 2024 - 2025 | GRADED A (ACTUAL EXAM ) Questions and Answers (Solved)
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CHEM 120 Final Exams Set ( Exam 1 - 5 ) Latest 2024 - 2025 | GRADED A (ACTUAL EXAM ) Questions and Answers (Solved)
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CHEM 120 Exam 1-Questions with Correct Answers/ Verified/ Latest Update (2024/2025
- Exam (elaborations) • 21 pages • 2024
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CHEM 120 Exam 1-Questions with Correct Answers/ Verified/ 
Latest Update (2024/2025)
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