Particle model explains Guides d'étude, Notes de cours & Résumés
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MSU CEM 141 FINAL EXAM WITH COMPLETE SOLUTIONS
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MSU CEM 141 FINAL EXAM WITH 
 
COMPLETE SOLUTIONS 
 
scientific question can be answered by doing experiments, making observation, taking 
measurements, etc. in a replicable way 
 
Lights acts as what? Particle and wave. 
 
scientific model drawing, graph, diagram, equation. represent many chemical entities. 
 
Wavelength The distance (m) of waves from peak to peak. Short: x-ray (red), long: infrared 
(blue) 
Short - higher energy 
Long - lower energy 
 
scientific theory A well tested concept t...
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Chem 141 exam 2 MSU Questions and Answers 100% Pass
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Chem 141 exam 2 MSU Questions and 
 
Answers 100% Pass 
 
Describe the relationship between the frequency, wavelength, and velocity (speed) of a wave. 
The more times the wave is passing through a point in space = a higher frequency, the higher 
frequency creates a smaller wavelength, which is why the smallest wave is a gamma wave, it has 
the highest frequency and the shortest distance between waves, the velocity can be measured in 
m/s and is composed of frequency and wavelength 
 
Calculate a...
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chem 141 exam 2 MSU Questions with 100% Correct Answers | Verified
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Describe the relationship between the frequency, wavelength, and velocity (speed) of a wave. - AnswerThe more times the wave is passing through a point in space = a higher frequency, the higher frequency 
creates a smaller wavelength, which is why the smallest wave is a gamma wave, it has the highest 
frequency and the shortest distance between waves, the velocity can be measured in m/s and is 
composed of frequency and wavelength 
Calculate any one (frequency, wavelength, or velocity) given the...
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Chemistry 1 Honors Final Exam Review 2024 with Correct Answers
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Chemistry 1 Honors Final Exam Review 
2024 with Correct Answers 
a broad generalization that explains a body of facts or phenomena - Answer- theory 
a testable statement - Answer- hypothesis 
a measure of the quantity of matter - Answer- mass 
a measure of the gravitational pull on matter - Answer- weight 
the closeness of measurements to the correct or accepted value of the quantity 
measured - Answer- accuracy 
the closeness of a set of measurements of the same quantity made in the same way - ...
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CEM 141 MSU Exam 1 Questions and Answers(A+ Solution guide)
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The statement "If I add cold milk to hot coffee the temperature will decrease," is a? - Claim, 
always include an explanation and reasoning to the claim. 
Scientific Model - Models are used to make testable predictions 
How much is a picometer? - 0.1 x 10^-12 meters 
Atomic Force Microscopy/ Scanning Tunneling Microscopy - Microscopes that now allows us to 
view atoms. 
Leaves are green in the summer because? - A plant's leaves are green in the summer because 
they contain chlorophyll. Chloro...
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Formation of Spectral Lines Exam Review Solution
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Formation of Spectral Lines Exam Review Solution 
Bohr's model of the atom - Answer->Explains energy levels and spectral lines in atoms 
Spectral lines - Answer->Specific energies or wavelengths of light absorbed or emitted by atoms 
Hydrogen atom - Answer->Atom with unique set of electron orbits and spectral lines 
White light - Answer->Consists of photons of all visible wavelengths 
Photon - Answer->Particle of light with specific energy and wavelength 
Wavelength - Answer->...
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CEM 141 Final Exam Questions & Answers Solved 100% Correct!!
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Why are alpha particles deflected by the nucleus? - Answer-Because both the alpha particles and the 
nucleus are positively charged and so the alpha particle is repelled. 
Is this statement (Dalton's Theory) true or false and why? 
"All atoms of an element are identical and have the same mass and properties." - Answer-False. 
Atoms of the same element can have different numbers of neutrons. 
What is the evidence that electrons are subatomic particles? - Answer-The nature of the electron is 
i...
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Grade 11 Chemistry Final Exam Simplified Question And Answers 100% Correctly Solved.
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Element - correct answer A pure substance that can't be broken down into simpler substances by chemical means; a substance composed of entirely one kind of atom. 
 
Compound - correct answer A pure substance that can be broken down by chemical means to produce two or more pure substances; a substance containing atoms of more than one element combined in fixed proportions 
 
Metal - correct answer Element that is a conductor of electricity, malleable, ductile and lustrous 
 
SATP - correct answe...
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CEM 141 MSU Exam 1 Questions With 100% Correct Answers!!
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The statement "If I add cold milk to hot coffee the temperature will decrease," is a? - Answer-Claim, 
always include an explanation and reasoning to the claim. 
Scientific Model - Answer-Models are used to make testable predictions 
How much is a picometer? - Answer-0.1 x 10^-12 meters 
Atomic Force Microscopy/ Scanning Tunneling Microscopy - Answer-Microscopes that now allows us to 
view atoms. 
Leaves are green in the summer because? - Answer-A plant's leaves are green in the summer becaus...
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Geology exam questions and answers 2024
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asthenosphere 
plastic, subdivision of the mantle below the lithosphere. rock is easily deformed 
 
 
 
atmosphere 
gaseous shell, planet's envelope of air 
 
 
 
biosphere 
life on earth near surface 
 
 
 
catastrophism 
earth shaped by catastrophes: canyons, mountains, etc. 
 
 
 
convergent boundary 
plates come together 
 
 
 
core 
located beneath the mantle, it is the Earth's innermost layer. Inner and Outer 
 
 
 
crust 
the very thin, outermost layer of earth 
 
 
 
divergent boundary...
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