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Note: This Frost diagram for nitrogen is also incomplete as it lacks azide (N − 3, or hydrazoic acid, HN 3), presented here above in the former Frost diagram for nitrogen. The pH dependence is given by the factor −0.059 m / n per pH unit, where m relates to the number of protons in the equation, and n the number of electrons exchanged.
Frost weathering is a collective term for several mechanical weathering processes induced by stresses created by the freezing of water into ice. The term serves as an umbrella term for a variety of processes, such as frost shattering, frost wedging, and cryofracturing.
Frost diagram for manganese. In electrochemistry, the tendency of two redox species to disproportionate, or comproportionate, can be determined by examining their Frost diagram. It is a graphical plot of nE° = −ΔG°/F as a function of the oxidation number for the different redox species of a given element.
Photograph taken 21 March 2010 in Norwich, Vermont. Frost heaving (or a frost heave) is an upwards swelling of soil during freezing conditions caused by an increasing presence of ice as it grows towards the surface, upwards from the depth in the soil where freezing temperatures have penetrated into the soil (the freezing front or freezing boundary).
Leidenfrost droplet Demonstration of the Leidenfrost effect Leidenfrost effect of a single drop of water. The Leidenfrost effect is a physical phenomenon in which a liquid, close to a solid surface of another body that is significantly hotter than the liquid's boiling point, produces an insulating vapor layer that keeps the liquid from boiling rapidly.
The patterned ground below Mugi Hill on Mount Kenya lies in an area of seasonal frost. [1] A pingo and polygonal ground near Tuktoyaktuk , Northwest Territories, Canada Patterned ground is the distinct and often symmetrical natural pattern of geometric shapes formed by the deformation of ground material in periglacial regions.
Window frost (also called fern frost or ice flowers) forms when a glass pane is exposed to very cold air on the outside and warmer, moderately moist air on the inside. If the pane is a bad insulator (for example, if it is a single-pane window), water vapour condenses on the glass, forming frost patterns.
Log-lin pressure-temperature phase diagram of water. The Roman numerals correspond to some ice phases listed below. Variations in pressure and temperature give rise to different phases of ice, which have varying properties and molecular geometries. Currently, twenty-one phases, including both crystalline and amorphous ices have been observed ...