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Topic: Phase (matter)


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In the News (Sun 19 Nov 17)

  
  Phase Definitions Calendar
A phase of matter is a physically distinctive form of a substance, such as the solid, liquid, and gaseous states of ordinary matter.
A lunar phase is the appearance of the Moon as viewed from the Earth.
It is common to speak of inverting the polarity of a wave as "flipping the phase" or "shifting the phase by 180 degrees".
www.phase.name   (915 words)

  
 Chem4Kids.com: Matter
Matter is anything made of atoms and molecules.
Matter is also related to light and electromagnetic radiation.
Even though matter can be found all over the universe, you usually find it in just a few forms.
www.chem4kids.com /files/matter_intro.html   (286 words)

  
  Phase (matter) Summary
A phase diagram is a plot of temperature against pressure for a particular substance and it shows the equilibria which exist between different states of matter (phases) under different physical conditions.
In contrast, in the plasma phase the atoms are dissociated, i.e.
Phases are emergent phenomena produced by the self-organization of a macroscopic number of particles.
www.bookrags.com /Phase_(matter)   (5087 words)

  
  Bambooweb: Phase (matter)
Phases are sometimes called states of matter, but this term can lead to confusion with thermodynamic states.
Phases are emergent phenomena produced by the self-organization of a macroscopic number of particles.
For example, it is impossible for the solid-liquid phase boundary to end in a critical point in the same way as the liquid-gas boundary, because the solid and liquid phases have different symmetry.
www.bambooweb.com /articles/p/h/Phase_(matter).html   (1849 words)

  
  Phase (matter) Info - Encyclopedia WikiWhat.com   (Site not responding. Last check: )
A good definition of a phase of a system is a region in the parameter space of the system's thermodynamic variables in which the free energy is analytic.
Phases are emergent phenomena produced by the self-organization of a macroscopic number of particles.
For example, it is impossible for the solid-liquid phase boundary to end in a critical point in the same way as the liquid-gas boundary, because the solid and liquid phases have different symmetry.
www.wikiwhat.com /encyclopedia/p/ph/phase__matter_.html   (1828 words)

  
 Phase (matter) - Wikipedia, the free encyclopedia
In contrast, in the plasma phase the atoms are dissociated, i.e.
These phases are of great interest to astrophysics, because these high-pressure conditions are believed to take place inside stars that have used up their nuclear fusion "fuel", such as white dwarfs and neutron stars.
This new phase which has some properties that are similar to a liquid and some properties that are similar to a gas is call a supercritical fluid.
en.wikipedia.org /wiki/Phase_(matter)   (2719 words)

  
 Phase - Wikipedia, the free encyclopedia
Phase (matter), a physically distinctive form of a substance, such as the solid, liquid, and gaseous states of ordinary matter
Phase (waves), the time position (or angle in the complex plane) within a cycle of a periodic waveform
Phase shifting or phasing, relative phase shift in superposing electromagnetic or acoustic waves; employed as an audio effect by musicians and DJs
en.wikipedia.org /wiki/Phase   (294 words)

  
 Phase (matter) - guideofcasinos.com   (Site not responding. Last check: )
The appearance of magnetic domains is a phase transition, and the new phase is known as a ferromagnet.
In contrast, in the plasma phase the atoms are dissociated, i.e.
These phases are of great interest to astrophysics, because these high-pressure conditions are believed to take place inside stars that have used up their nuclear fusion "fuel", such as white dwarfs and neutron stars.
www.guideofcasinos.com /Phase_%28matter%29.html   (2834 words)

  
 Phase - TheBestLinks.com - Phases, Communication, Earth, Moon, ...
The phase of a waveform is the position of any peak or trough compared to the same feature on a second waveform.
A phase of matter is a physically distinctive form of a substance, such as the solid, liquid, and gaseous phases of ordinary matter.
The term phase is used in small group communication, conflict, and negotiation to refer to segments during which the types of communication that occur remain approximately similar throughout, but clearly distinct from the types that occur during other phases.
www.thebestlinks.com /Phases.html   (243 words)

  
 Matter: States of Matter
Phase transitions occur at very precise points, when the energy (measured as temperature) of a substance in a given state exceeds that allowed in the state.
Thus, no matter how high the flame is on the stove, a pot of boiling water will remain at 100ºC until all of the water has undergone transition to the gas phase.
At 100ºC, water begins to undergo a phase transition and the temperature remains constant even as energy is added (the flat part of the graph).
www.visionlearning.com /library/module_viewer.php?mid=120   (2083 words)

  
 Phase
Its use for the phases of the moon, which repeat in a regular sequence, gave rise to its use for the time sequence of a signal, particularly a sinusoidal signal, where the phase is represented as an angle that steadily increases with time.
The result is a two-dimensional phase diagram, as for a single substance, where the coordinates are the temperature T and the concentration c.
A schematic phase diagram for a system in which the constituents are completely miscible in both the liquid and the solid phases is shown at the left.
www.du.edu /~jcalvert/phys/phase.htm   (6901 words)

  
 Phase (matter) : Phases of matter
In the physical sciences, a phase is a set of states of a macroscopic physical system that have relatively uniform chemical composition and physical properties (i....
Familiar examples of phase transitions are melting (solid to liquid), freezing (liquid to solid), boiling (liquid to gas), and condensation (gas to liquid.) Due to this non-analyticity, the free energies on either side of the transition are two different functions, so one or more thermodynamic properties will behave very differently after the transition.
In practice, each type of phase is distinguished by a handful of relevant thermodynamic properties, out of all the possible properties one could imagine.
www.wordlist.org /ph/phases-of-matter.html   (1723 words)

  
 About Phase IV | Phase IV Scientific Health & Performance Center
Phase IV is dedicated to helping people accomplish all their life goals.
Phase IV is a health and performance “think tank” offering more depth in assessment and instruction than a standard gym, or personal trainer.
Phase IV eradicates ineffective programs and techniques from your health training regime, and teaches you to be more efficient while reducing your risk of injury.
www.phase-iv.net /about-phase-iv/main   (961 words)

  
 Phase (matter) - Psychology Central   (Site not responding. Last check: )
Even though the concept of phases is widely-used in the physical sciences, it is not easy to define precisely.
In order to understand the general definition, it is useful to consider two common examples of phase phenomena: firstly, the ordinary solid, liquid, and gas phases of matter; secondly, the paramagnetic and ferromagnetic phases of magnetic materials.
The appearance of magnetic domains is a phase transition, and the new phase is known as a ferromagnet.
psychcentral.com /psypsych/Phases_of_matter   (2964 words)

  
 Diversity of Matter
Special properties are those properties that are special for each kind of matter, they enable us to tell one kind of matter from another and they also determine the uses of each kind.
A phase change in which a solid goes directly to being a gas instead of melting to form a liquid.
We have reviewed phases of matter, which is one way to sort or classify matter.
www.geocities.com /umcdaniel/geek/diversityofmatter.html   (1881 words)

  
 Phase Transitions
The liquid phase of water is rotationally symmetric, that is, it looks the same around each point regardless of the direction in which we look.
Phase transitions can have a wide variety of important implications including the formation of topological defects -cosmic strings, domain walls, monopoles and textures - that will be discribed in more detail in the following pages, or it may even trigger a period of exponential expansion (inflation).
First-order phase transitions (illustrated below) occur through the formation of bubbles of the new phase in the middle of the old phase; these bubbles then expand and collide until the old phase disappears completely and the phase transition is complete.
www.damtp.cam.ac.uk /user/gr/public/cs_phase.html   (1007 words)

  
 Sciencelife:Unit:Matter
We've already told you that chemistry is the study of matter and how it changes and interacts with other matter.
One compound or element can move from phase to phase, but still be the same substance.
That isn't changing from one phase to another, it is changing the basic chemical structure of the compound.
www-personal.umich.edu /~marcym/eportfolio/matter.html   (357 words)

  
 Virgil Web - Portfolio - Planning - Lesson - Phases of Matter
Now that the students understand the various physical properties of the different phases of matter, we continue on to explore the phase changes between the different phases.
As this would be part of a larger unit on the properties of matter, the students should at least be given a quiz to ensure that they understand the various concepts before continuing.
Use a phase diagram to explain why a liquid boils when the pressure on the liquid is reduced.
www.ion.illinois.edu /Varvel/virgilweb/Portfolio/Lessons/phases.html   (3404 words)

  
 [No title]
Over the past few decades an understanding has developed that the collective properties of the many strongly interacting particles comprising condensed matter systems are by no means a simple consequence of the basic laws of interactions between them, so that exotic new phenomena, such as new phases of matter, continue to be discovered.
Their phases and phase transitions become linked together in phenomena that indicate the beginning of the formation of the bulk interface as the film grows thicker.
Phase transitions and critical phenomena in condensed matter systems have been an extraordinarily active area of research for the past 25 years.
www.pma.caltech.edu /GSR/condmat.html   (4242 words)

  
 KryssTal : The States of Matter
Matter is made up of atoms or molecules.
Matter can change between states when the temperature or pressure is changed.
Phase diagrams look at how a substance changes state as pressure and temperature vary.
www.krysstal.com /states.html   (820 words)

  
 Static Phase Converters - U.S. Phase Converter Standards Organization
Static Phase Converters generate a 3rd phase for only a matter of seconds during startup of electric motors, then it will drop out forcing the motor to continue to run on just 1 phase and only part of its windings.
For the few motors that a Static Phase Converter will start, they are only able to run on part of the windings at 2/3 power and thus may also burn out if put under their full rated load.
There is a tendency for these "Static Phase Converter" controlled units to burn out the equipment it is meant to operate due to phase imbalances that change with the load.
www.usphaseconverterstandards.org /staticphaseconverters.htm   (480 words)

  
 High density quark matter and color superconductivity
In principle we should be able to calculate the behavior of matter under such conditions, using the the theory that describes the strong nuclear force, which is the dominant interaction at ultra-high density.
Compact stars are in this region of the phase diagram, although it is not known whether their cores are dense enough to reach the quark matter phase.
So we know what phase is favored in the limit of infinite density, but the nature of the pairing in quark matter at realistic neutron-star densities is still a vigorously debated question.
www.physics.wustl.edu /~alford/high_density.html   (1495 words)

  
 Dr Wolf
As with Mind into Matter, Matter into Feeling is divided into nine chapters, each framed by the nine letter-symbols of the Hebrew alphabet, or "aleph-bayt." In Mind into Matter we dealt with the archetypes spirit, represented by aleph (a, 1), through structure, represented by tayt (f, 9).
Matter into Feeling, then, looks at the continual movement of the nine mental/material seed archetypes into living symbols, literally a transformation of matter-already embodying mind-into life, the feeling and awareness of matter.
To make the leap, to realize the remaining phases, requires understanding that the "stuck" life is only a phase, much like a child throwing a tantrum is merely "going through a phase." The movement of matter into feeling is the second phase.
www.themetaarts.com /archives/200306/drwolf1.html   (1410 words)

  
 Matter
Mass is the amount of matter in an object, and is measured in the metric base unit of grams.
Matter is found in four different forms throughout the universe: solid, liquid, gas, and plasma.
Matter does not exist in plasma form on Earth, but it is what makes up our sun and other stars, and is the most abundant form of matter in the universe.
www.msu.edu /~napoli13/Units/Matter.htm   (972 words)

  
 Matter 7A1
Matter is generally considered to be in one of the following states or phases: solid, liquid, gas, or plasma.
The next phase of matter is the gas which has no definite shape, thus shape is determined by the container occupied.
The fourth phase of matter, which may be new to you is called plasma.
www.utm.edu /departments/cece/old_site/seventh/7A1.shtml   (1157 words)

  
 Phase (matter)
List of phases of matter — This is a list of the different phases of matter including the more exotic ones.
Generally phases of matter are distinguished by the pressure and...
From Matter Waves To A Crystal Of Atoms And Back (January 11, 2002) — Researchers at the Max-Planck-Institute for Quantum Optics in Garching and at the Ludwig-Maximilians University of Munich have observed a phase transition between two dramatically different states of...
www.sciencedaily.com /articles/p/phase_(matter).htm   (602 words)

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