freez·ing point (frē′zĭng) The temperature at which a liquid becomes a solid. For a given substance, the freezing point of its liquid form is the same as the melting point of its solid form. The freezing point of water is 32°F (0°C); that of liquid nitrogen is -345.75°F ...
Freezing-point_depressionFreezingpoint depressionPseudacris Crucifer
needchemhelp Thread Nov 29, 2006 Tags DepressionFreezingPoint Replies: 2 Forum:Biology and Chemistry Homework Help W POST Logo, Colourful Lines & Freezing Almost every time I start up my computer, on the POST logo, it shows like colourful lines, when it goes to anything that has text in ...
This effect has been variously described as a depression of the equilibrium melting point, a purely probabilistic effect, a result of complex hydrogen or polar interactions, and so on, and has been reported nigh exclusively in systems with geometric constraints on the order of single nanometers12...
(pure) acetic acid and the solutions have a number of unusual properties. In an attempt to understand them, freezing point depression data were obtained by taking a taking a solution of known molality and diluting it several times [J. Emsley, J. Chem. Soc. A., 1971, 2702]. 开始[...
Thus, the observed depression in the freezing point below the saturated vapor line is considered to be accom- plished with a significant change in the pressure on the cap- illary fluid. Based on the above concept, the basic equation to describe the freezing point depression is as follows: ...
Nowadays, six different types of ice structuring proteins have been identified: “hyperactive antifreeze proteins”, found in insects, showed the highest freezing point depression, becoming the most interesting and the most investigated among the different types of proteins lately. The presence of ice ...