Msu cem 141 exam - Study guides, Class notes & Summaries

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...

MSU CEM 141 exam questions with correct answers with complete A+solution 2024/2025

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...

CEM 141 MSU Exam 2 UPDATED Exam Questions and CORRECT Answers Lights acts as what? - Correct ANSWER- Particle and wave. Wavelength - Correct ANSWER- The distance (m) of waves from peak to peak. Short: x-ray (red), long: infrared (blue) Short - higher energy Long - lower energy Frequency (V) - Correct ANSWER- The number of wavefronts per second. Highest: x-ray Velocity of Light - Correct ANSWER- C = 3.00 X 10^8

CEM 141 MSU Exam 2 Questions and Answers Already Passed Lights acts as what? Particle and wave. Wavelength The distance (m) of waves from peak to peak. Short: x-ray (red), long: infrared (blue) Short - higher energy Long - lower energy Frequency (V) The number of wavefronts per second. Highest: x-ray Velocity of Light C = 3.00 X 10^8 = wavelength X frequency Amplitude The intensity, height of peaks of waves. Highest: blue light Energy of Wave (J) Increases as frequency i...

CEM 141 MSU Exam 2 Questions And Answers Rated A+ New Update Assured Satisfaction

CEM 141 MSU Final Exam Questions And Answers Rated A+ New Update Assured Satisfaction

CEM 141 MSU Exam 2 PASSED Exam Questions and CORRECT Answers Which reaction requires the most energy? A. N(g) → N+(g) + e - B. N+(g) → N2+(g) + e - C. F(g) → F+(g) + e - D. F+(g) → F2+(g) + e - - Correct ANSWER- D. F+(g) → F2+(g) + e - Fluorine has a higher effective nuclear charge than Nitrogen - so it is harder to remove an electron (takes more energy because the electron is more strongly attracted by the nucleus). Effective nuclear charge is the same for F and F+ because...

CEM 141 MSU Final Exam 2024 Questions With Complete Solutions.

CEM 141 MSU Final Exam Questions and Answers Already Passed Consider the question: Is there an attractive force between a pencil and the earth? Is this a scientific question? [Yes or No] Because III. It can be tested and answered through observations and experiments IV. The answer is already known and we find it online V. There is no way to design an experiment to answer this question. Yes because it can be tested and answered though observations and experiments Which of the fol...