Orders of magnitude (entropy)
Encyclopedia
The following list shows different orders of magnitude
of entropy
.
Order of magnitude
An order of magnitude is the class of scale or magnitude of any amount, where each class contains values of a fixed ratio to the class preceding it. In its most common usage, the amount being scaled is 10 and the scale is the exponent being applied to this amount...
of entropy
Entropy
Entropy is a thermodynamic property that can be used to determine the energy available for useful work in a thermodynamic process, such as in energy conversion devices, engines, or machines. Such devices can only be driven by convertible energy, and have a theoretical maximum efficiency when...
.
| Value | Item | |
|---|---|---|
| 10 | 9.5699 J K | entropy equivalent of one bit Bit A bit is the basic unit of information in computing and telecommunications; it is the amount of information stored by a digital device or other physical system that exists in one of two possible distinct states... of information, = k ln 2 |
| 1 | 5.74 J K | standard entropy of 1 mole Mole (unit) The mole is a unit of measurement used in chemistry to express amounts of a chemical substance, defined as an amount of a substance that contains as many elementary entities as there are atoms in 12 grams of pure carbon-12 , the isotope of carbon with atomic weight 12. This corresponds to a value... of graphite Graphite The mineral graphite is one of the allotropes of carbon. It was named by Abraham Gottlob Werner in 1789 from the Ancient Greek γράφω , "to draw/write", for its use in pencils, where it is commonly called lead . Unlike diamond , graphite is an electrical conductor, a semimetal... |
| 10 | ≈ 10 J K | entropy of the Sun Sun The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields... (given as ≈ 10 erg K in Bekenstein (1973)) |
| 10 | 1.5 × 10 J K | entropy of a black hole Black hole A black hole is a region of spacetime from which nothing, not even light, can escape. The theory of general relativity predicts that a sufficiently compact mass will deform spacetime to form a black hole. Around a black hole there is a mathematically defined surface called an event horizon that... of one solar mass Solar mass The solar mass , , is a standard unit of mass in astronomy, used to indicate the masses of other stars and galaxies... (given as ≈ 10 erg K in Bekenstein (1973)) |