Cem 141 - Study guides, Class notes & Summaries

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CEM 141 MSU Exam 1 Questions and  Answers Already Passed Popular
  • CEM 141 MSU Exam 1 Questions and Answers Already Passed

  • Exam (elaborations) • 9 pages • 2024
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  • CEM 141 MSU Exam 1 Questions and Answers Already Passed 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 gree...
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CEM 141 MSU Exam 3 Questions With 100% Correct Answers.
  • CEM 141 MSU Exam 3 Questions With 100% Correct Answers.

  • Exam (elaborations) • 5 pages • 2023
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  • Ionization Energy - energy required to remove an electron from an atom in the gas phase Left Side Electrons - have weaker attractions to remove electrons *easier to remove electrons from the left side of the table than the right side* Does it take MORE or LESS energy to remove an electron from Li than from Na? - MORE Why? Because as we move down a group, the orbitals become larger and weaker. While going across the effective nuclear charge increases. (holds onto the electrons tighter) Big ...
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CEM 141 Exam 3 Questions and Answers Already Passed
  • CEM 141 Exam 3 Questions and Answers Already Passed

  • Exam (elaborations) • 33 pages • 2024
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  • CEM 141 Exam 3 Questions and Answers Already Passed change of state from solid -> liquid -> gas ________ energy requires energy needed to phase change from solid --> liquid --> gas comes from: the surroundings when phases change from solid --> liquid --> gas, interactions are _______ between molecules overcome change of state from gas --> liquid --> solid ______ energy releases what happens to the energy from a phase change from gas --> liquid --> s...
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CEM 141 Final Exam Questions and  Answers Already Passed
  • CEM 141 Final Exam Questions and Answers Already Passed

  • Exam (elaborations) • 77 pages • 2024
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  • CEM 141 Final Exam Questions and Answers Already Passed If one carbon wants 4 bonds, how many bonding orbitals can it have? A. 1 B. 2 C. 3 D. 4 D In graphite how many carbons is each carbon attached to? A. 2 B. 3 C. 4 D. 5 B How many orbitals should "mix" to form 3 bonds? A. 2 B. 3 C. 4 D. 5 B How many different compounds can you draw from C5H12? A. 2 B. 3 C. 4 D. 5 E. 6 B What is the formal charge on H for NH4+? A. +1 B. -1 C. +2 D. -2 ...
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CEM 141 Cumulative Final | Questions and Answers (Latest Update 2024 / 2025) Expected Questions and Revised Correct Answers, (Complete and Accurate) 100% Guarantee Pass ( A+ GRADED 100% VERIFIED) covering key aspects of the exam
  • CEM 141 Cumulative Final | Questions and Answers (Latest Update 2024 / 2025) Expected Questions and Revised Correct Answers, (Complete and Accurate) 100% Guarantee Pass ( A+ GRADED 100% VERIFIED) covering key aspects of the exam

  • Exam (elaborations) • 23 pages • 2025
  • CEM 141 Cumulative Final | Questions and Answers (Latest Update 2024 / 2025) Expected Questions and Revised Correct Answers, (Complete and Accurate) 100% Guarantee Pass ( A+ GRADED 100% VERIFIED) covering key aspects of the exam
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MSU CEM 141 FINAL EXAM WITH  COMPLETE SOLUTIONS
  • MSU CEM 141 FINAL EXAM WITH COMPLETE SOLUTIONS

  • Exam (elaborations) • 42 pages • 2024
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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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CEM 141 - chapter 2 exam questions with correct answers with complete A+solution 2024/2025
  • CEM 141 - chapter 2 exam questions with correct answers with complete A+solution 2024/2025

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  • CEM 141 - chapter 2 exam questions with correct answers with complete A+solution 2024/2025
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CEM 141 - chapter 2 Exam (Latest Update 2024 / 2025) Questions and Answers |100% Verified Correct Answers | complete solution | Grade A+ | Latest update
  • CEM 141 - chapter 2 Exam (Latest Update 2024 / 2025) Questions and Answers |100% Verified Correct Answers | complete solution | Grade A+ | Latest update

  • Exam (elaborations) • 24 pages • 2024
  • CEM 141 - chapter 2 Exam (Latest Update 2024 / 2025) Questions and Answers |100% Verified Correct Answers | complete solution | Grade A+ | Latest update
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CEM 141 PRACTICE EXAM QUESTIONS  WITH VERIFIED ANSWERS
  • CEM 141 PRACTICE EXAM QUESTIONS WITH VERIFIED ANSWERS

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  • CEM 141 PRACTICE EXAM QUESTIONS WITH VERIFIED ANSWERS Which has a larger atomic radius? Mg or Ar? Why? A. Mg, because it is a metal. B. Mg, because its valence electrons are not as strongly attracted towards the nucleus as those in Ar. C. Ar, because it is a heavier element. D. Ar, because it has more electrons and they repel each other. B Out of Na+, Mg2+, Ne, and F- which has the smallest radius? A. Na+ B. Mg2+ C. Ne D. F- B When and where were the carbon and oxygen at...
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CEM 141-Exam 1 Latest Update Already  Graded A
  • CEM 141-Exam 1 Latest Update Already Graded A

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  • CEM 141-Exam 1 Latest Update Already Graded A Matter is made up of Atoms The the smallest distinguishable part of an element Atom Can change overtime according to the evidence available Theories ALL atoms/molecules attract to one another due to Electrostatic forces ________ lower potential energy of a system Attractions _____ raise potential energy of a system Repulsions Stable systems form where The attractive and repulsive forces are EQUAL or the potential energy is at...
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