What does states of matter mean




















I assure you, no matter how beautifully we play any piece, the minute Liszt plays it, you would scarcely recognize it! I hate to be long at my toilette at any time; but to delay much in such a matter while travelling is folly. If we can free this State of Yankees, we will accomplish more than your armies down south have. Walls End Castle, when the party broke up, returned to its normal state.

Top Definitions Quiz Examples state of matter. Also Mentioned In. Words near state-of-matter in the Dictionary. State of Japan State of Mississippi State of New York state of exception state of nature state of play state-of-emergency state-of-eritrea state-of-israel state-of-kuwait. In crystalline solids, particles are packed in a regularly ordered, repeating pattern.

There are many different crystal structures, and the same substance can have more than one structure. Ice has fifteen known crystal structures, each of which exists at a different temperature and pressure.

A solid can transform into a liquid through melting, and a liquid can transform into a solid through freezing. A solid can also change directly into a gas through a process called sublimation. A liquid is a fluid that conforms to the shape of its container but that retains a nearly constant volume independent of pressure.

The volume is definite does not change if the temperature and pressure are constant. When a solid is heated above its melting point, it becomes liquid because the pressure is higher than the triple point of the substance. Intermolecular or interatomic or interionic forces are still important, but the molecules have enough energy to move around, which makes the structure mobile. This means that a liquid is not definite in shape but rather conforms to the shape of its container.

Its volume is usually greater than that of its corresponding solid water is a well-known exception to this rule. The highest temperature at which a particular liquid can exist is called its critical temperature. This process of a liquid changing to a gas is called evaporation.

A vapour 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.

A supercritical fluid has the physical properties of a gas, but its high density confers solvent properties in some cases, which leads to useful applications. For example, supercritical carbon dioxide is used to extract caffeine in the manufacture of decaffeinated coffee. This gives it the ability to conduct electricity. Like a gas, plasma does not have definite shape or volume.

Unlike gases, plasmas are electrically conductive, produce magnetic fields and electric currents, and respond strongly to electromagnetic forces.

The plasma state is often misunderstood, but it is actually quite common on Earth, and the majority of people observe it on a regular basis without even realizing it. Lightning, electric sparks, fluorescent lights, neon lights, plasma televisions, some types of flame and the stars are all examples of illuminated matter in the plasma state. A gas is usually converted to a plasma in one of two ways, either from a huge voltage difference between two points, or by exposing it to extremely high temperatures.

Heating matter to high temperatures causes electrons to leave the atoms, resulting in the presence of free electrons. A state of matter is also characterized by phase transitions. A phase transition indicates a change in structure and can be recognized by an abrupt change in properties.

A distinct state of matter can be defined as any set of states distinguished from any other set of states by a phase transition. Water can be said to have several distinct solid states. Likewise, ferromagnetic states are demarcated by phase transitions and have distinctive properties. When the change of state occurs in stages the intermediate steps are called mesophases.

Such phases have been exploited by the introduction of liquid crystal technology. 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 transitions to liquid with an increase in temperature. Near absolute zero, a substance exists as a solid. As heat is added to this substance it melts into a liquid at its melting point, boils into a gas at its boiling point, and if heated high enough would enter a plasma state in which the electrons are so energized that they leave their parent atoms.

Forms of matter that are not composed of molecules and are organized by different forces can also be considered different states of matter. Superfluids like Fermionic condensate and the quark—gluon plasma are examples. In a chemical equation, the state of matter of the chemicals may be shown as s for solid, l for liquid, and g for gas.

An aqueous solution is denoted aq. Matter in the plasma state is seldom used if at all in chemical equations, so there is no standard symbol to denote it.



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