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2. State of matter - Wikipedia

   en.wikipedia.org/wiki/State_of_matter

   A vapor can exist in equilibrium with a liquid (or solid), in which case the gas pressure equals the vapor pressure of the liquid (or solid). A supercritical fluid (SCF) is a gas whose temperature and pressure are above the critical temperature and critical pressure respectively. In this state, the distinction between liquid and gas disappears.

3. List of states of matter - Wikipedia

   en.wikipedia.org/wiki/List_of_states_of_matter

   Liquid crystal: Properties intermediate between liquids and crystals. Generally, able to flow like a liquid but exhibiting long-range orientational order. Supercritical fluid: A fluid with properties intermediate of liquids and gasses. At sufficiently high temperatures and pressures, the distinction between liquid and gas disappears, resulting ...

4. Phase diagram - Wikipedia

   en.wikipedia.org/wiki/Phase_diagram

   A similar concept applies to liquid–gas phase changes. [7] Water is an exception which has a solid-liquid boundary with negative slope so that the melting point decreases with pressure. This occurs because ice (solid water) is less dense than liquid water, as shown by the fact that ice floats on water.

5. Triple point - Wikipedia

   en.wikipedia.org/wiki/Triple_point

   A typical phase diagram.The solid green line applies to most substances; the dashed green line gives the anomalous behavior of water. In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium. [1]

6. Phase transition - Wikipedia

   en.wikipedia.org/wiki/Phase_transition

   The transition from solid to liquid, and gas to liquid (shown by the white condensed water vapour). Other phase changes include: Transition to a mesophase between solid and liquid, such as one of the "liquid crystal" phases. The dependence of the adsorption geometry on coverage and temperature, such as for hydrogen on iron (110).

7. 3-2-1 Contact - Wikipedia

   en.wikipedia.org/wiki/3-2-1_Contact

   3-2-1 Contact was the brainchild of Samuel Y. Gibbon Jr., who had been the executive producer of the original The Electric Company for the CTW from 1971 to 1977. (Gibbon had left the CTW before Contact's production officially began, though he was still credited as "Senior Consultant".)

8. Phase (matter) - Wikipedia

   en.wikipedia.org/wiki/Phase_(matter)

   A typical phase diagram for a single-component material, exhibiting solid, liquid and gaseous phases. The solid green line shows the usual shape of the liquid–solid phase line. The dotted green line shows the anomalous behavior of water when the pressure increases. The triple point and the critical point are shown as red dots.

9. Dispersion (chemistry) - Wikipedia

   en.wikipedia.org/wiki/Dispersion_(chemistry)

   In addition to the classification by particle size, dispersions can also be labeled by the combination of the dispersed phase and the medium phase that the particles are suspended in. Aerosols are liquids dispersed in a gas, sols are solids in liquids, emulsions are liquids dispersed in liquids (more specifically a dispersion of two immiscible ...