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Phase (matter) print that page


In the physical sciences , a phase is a region of space (a thermodynamic system ), throughout which all physical properties of a material are essentially uniform. [ 1 ] Examples of physical properties include density , index of refraction , and chemical composition. A simple description

Timeline of states of matter and phase transitions print that page

Timeline of states of matter and phase transitions From Wikipedia, the free encyclopedia   (Redirected from Timeline of states of matter & phase transitions ) Jump to: navigation , search Timeline of states of matter and phase transitions 1895 – Pierre Curie discovers | 2011/4/6 9:01:49

Phase transition print that page


A phase transition is the transformation of a thermodynamic system from one phase or state of matter to another. A phase of a thermodynamic system and the states of matter have uniform physical properties. During a phase transition of a given medium certain properties of the medium

Phase velocity print that page

The phase velocity of a wave is the rate at which the phase of the wave propagates in space. This is the speed at which the phase of any one frequency component of the wave travels. For such a component, any given phase of the wave (for example, the crest) will appear to travel at | 2011/9/28 4:37:39

Condensed matter physics print that page

behavior fundamentally different from that of a classical fluid, is closely related to the superfluid phase of liquid helium . Contents 1 Topics in condensed matter physics 2 See also 3 Notes 4 References [ edit ] Topics in condensed matter physics Phases Generic | 2011/4/7 12:54:03

Matter print that page


For much of the history of the natural sciences people have contemplated the exact nature of matter. The idea that matter was built of discrete building blocks, the so-called particulate theory of matter , was first put forward by the Greek philosophers Leucippus (~490 BC) and Democritus

QCD matter print that page

quarks and gluons should be formed at high temperature and density. What are the properties of this phase of matter ? Contents 1 Occurrence 1.1 Natural occurrence 1.2 Laboratory experiments 2 Thermodynamics 3 Phase diagram 4 Theoretical challenges: calculation techniques | 2011/7/30 19:02:13

State of matter print that page


gas is the state in which matter expands to occupy whatever volume is available. The state or phase of a given set of matter can change depending on pressure and temperature conditions, transitioning to other phases as these conditions change to favor their existence; for example, solid

Thermodynamic temperature print that page


Temperature arises from the random submicroscopic vibrations of the particle constituents of matter . These motions comprise the kinetic energy in a substance. More specifically, the thermodynamic temperature of any bulk quantity of matter is the measure of the average kinetic energy of a

Chemistry print that page


Molecule 5.6 Mole and amount of substance 5.7 Ions and salts 5.8 Acidity and basicity 5.9 Phase 5.10 Redox 5.11 Bonding 5.12 Reaction 5.13 Equilibrium 5.14 Energy 5.15 Chemical laws 6 Subdisciplines 7 Chemical industry 8 Professional societies 9 See also 10