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- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/04%3A_Atomic_Structure/4.13%3A_Plum_Pudding_Atomic_ModelThis page discusses the evolution of model construction, transitioning from balsa wood to plastics, and how models, such as J.J. Thomson's "plum pudding" model, help visualize concepts like atomic str...This page discusses the evolution of model construction, transitioning from balsa wood to plastics, and how models, such as J.J. Thomson's "plum pudding" model, help visualize concepts like atomic structure. While these models simplify complex ideas for better understanding, they are not functional replicas and may be replaced as scientific knowledge advances, as seen with Rutherford's atomic model. Ultimately, models serve as valuable tools across different scientific disciplines.
- https://chem.libretexts.org/Courses/Colorado_State_University_Pueblo/Elementary_Concepts_in_Physics_and_Chemistry/07%3A_Chapter_7_-_Survey_of_Kinematics_and_Newtonian_Motion/7.04%3A_Time%2C_Velocity%2C_and_SpeedThere is more to motion than distance and displacement. Questions such as, “How long does a foot race take?” and “What was the runner’s speed?” cannot be answered without an understanding of other con...There is more to motion than distance and displacement. Questions such as, “How long does a foot race take?” and “What was the runner’s speed?” cannot be answered without an understanding of other concepts. In this section we add definitions of time, velocity, and speed to expand our description of motion.
- https://chem.libretexts.org/Bookshelves/General_Chemistry/General_Chemistry_Supplement_(Eames)/Chemistry_Basics/Scientific_MethodThe basic steps of the scientific method involve collecting observations about what actually happens, thinking about what the observations mean, making guesses about what will be observed in the futur...The basic steps of the scientific method involve collecting observations about what actually happens, thinking about what the observations mean, making guesses about what will be observed in the future, and then making observations to see if the guesses are right. There will be some small differences in the data because measurements are always a little imprecise and there might be some small differences in the way the experiment was done, but the data should be the same within the "error range."
- https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Physical_Chemistry_(LibreTexts)/03%3A_The_Schrodinger_Equation_and_a_Particle_in_a_Box/3.E%3A_The_Schrodinger_Equation_and_a_Particle_in_a_Box_(Exercises)These are homework exercises to accompany Chapter 3 of McQuarrie and Simon's "Physical Chemistry: A Molecular Approach" Textmap.
- https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Physical_Chemistry_(LibreTexts)/30%3A_Gas-Phase_Reaction_Dynamics/30.03%3A_The_Rate_Constant_for_a_Gas-Phase_Chemical_Reaction_May_Depend_on_the_Orientations_of_the_Colliding_MoleculesThis page discusses a revision of the hard-sphere model for particle collisions, highlighting that not all collisions lead to reactions due to insufficient energy and the importance of proper orientat...This page discusses a revision of the hard-sphere model for particle collisions, highlighting that not all collisions lead to reactions due to insufficient energy and the importance of proper orientation, particularly for non-spherical particles. The traditional model's assumption of spherical particles overestimates effective collisions, leading to inaccuracies in the reaction rate constant A.
