Search results
Results from the WOW.Com Content Network
The reverse process of sublimation is deposition (also called desublimation), in which a substance passes directly from a gas to a solid phase, without passing through the liquid state. [ 4 ] Technically, all solids may sublime, though most sublime at extremely low rates under usual conditions that are hardly detectable.
In thermodynamics, the enthalpy of sublimation, or heat of sublimation, is the heat required to sublimate (change from solid to gas) one mole of a substance at a given combination of temperature and pressure, usually standard temperature and pressure (STP). It is equal to the cohesive energy of the solid.
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]
In physics, chemistry, and other related fields like biology, a phase transition (or phase change) is the physical process of transition between one state of a medium and another. Commonly the term is used to refer to changes among the basic states of matter: solid, liquid, and gas, and in rare cases, plasma.
The Food and Drug Administration (FDA) considers American cheese to be “pasteurized process cheese.” All cheese—real or not—undergoes some degree of processing to achieve the final product.
The critical point remains a point on the surface even on a 3D phase diagram. An orthographic projection of the 3D p–v–T graph showing pressure and temperature as the vertical and horizontal axes collapses the 3D plot into the standard 2D pressure–temperature diagram. When this is done, the solid–vapor, solid–liquid, and liquid ...
MEXICO CITY (Reuters) -Mexico is seeking an agreement with U.S. President-elect Donald Trump to ensure Mexico does not receive deportees from third countries in case of large-scale deportations ...
We’re always looking for ways to make your time in the kitchen easier and quicker—including during the holidays. Turns out, we’re not the only ones.