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  • Lecture C1 Microscopic to Macroscopic, Part I: Gases
    We can use the ideal gas law to predict changes in V, T and P If we solve for the constant R and compare two states, we get: These equations lead to MANY homework problems for high school and college chemistry students
  • Physical Changes of Substances with Kinetic Particle Theory
    Microscopic view of a gas when represented by the KPT While the conversion of a solid to liquid or liquid to gas involves the gain of energy sufficient for the particles to break free of their original structure, the conversion of a gas to liquid (condensation) and a liquid to solid (freezing) is a result of the loss of energy of the particles
  • Phase Changes of Matter (Phase Transitions) - Science Notes and Projects
    There are six phase changes between solids, liquids, and gases, and eight phase changes if you include plasma There are additional phase changes if you explore condensed matter physics or metallurgy
  • changes of state between solids, liquids and gases - chemguide
    If dry ice warms up, at -78 5°C the solid carbon dioxide starts to convert to carbon dioxide gas There is no such thing as liquid carbon dioxide at ordinary pressures This conversion from solid straight to gas without first forming a liquid is called sublimation
  • List of Phase Changes Between States of Matter - ThoughtCo
    Phase changes happen when matter changes from one state to another, like ice melting Changes in temperature or pressure are why these phase changes happen, making molecules move differently There are eight phase changes, including freezing, vaporization, and ionization of different states
  • Chapter 11. 5: Changes of State - Chemistry LibreTexts
    When the superheated liquid converts to a gas, it can push or “bump” the rest of the liquid out of the test tube Placing a stirring rod or a small piece of ceramic (a “boiling chip”) in the test tube allows bubbles of vapor to form on the surface of the object so the liquid boils instead of becoming superheated
  • 6. 2: Microscopic Description of An Ideal Gas
    Gases, whose thermal properties are so simple, offer the best chance for us to construct a simple connection between the microscopic and macroscopic worlds A crucial observation is that although solids and liquids are nearly incompressible, gases can be compressed, as when we increase the amount of air in a car's tire while hardly increasing
  • Microscopic Model of Gases | Micro view of matter, kinetic theory of . . .
    Convert between number of particles and number of moles using the gas constant R and Boltzmann's constant kB Differentiate between open, closed, and isolated systems, and how they apply to the exchange of energy and particle number between systems
  • Can All Elements Directly Transition From Solid To Gas?
    Sublimation is the direct change of an element from the solid phase to the gaseous phase, without going through the liquid phase, at a specific temperature and pressure The reverse process, i e , changing from gas to solid directly, is called deposition
  • Change of State - Physics Book - gatech. edu
    This change of state is referred to as vaporization boiling (liquid to gas) or condensation (gas to liquid) So what is going on a microscopic level? In a liquid the atoms and molecules are moving less than they would in the gas state





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