Which of the following states of a compound has the greatest Kinetic energy?A.a solid B.a liquidC.a gasD.a solid changing to a liquid at the melting pointE.a liquid changing to a gas at the boiling point但谁能告诉我它为什么选C啊?理由是
Explain why all of a pure solution does not vaporize at once when the boiling point is reached. Describe the method you would use to seperate a mixture of water (boiling point=100 degree C) can be seperated from ethanol (boi...
Boiling Point: {eq}\\ {/eq} The boiling point is the temperature at which the phase of a substance changes from liquid to gas. This change in the state takes place by absorption of heat energy by the object. The heat energy absorbed by the substance ...
Liquid fuel vaporizes in two modes. At low temperature, vaporization occurs due to the diffusion of mass. At a temperature higher than theboiling point, the liquid boils and the vaporization rate is controlled by theheat transfer ratefrom the surroundings to the liquid. In most combustion systems...
A process of and apparatus for liquefying a dry gas with low boiling point in a first circuit through heat exchange with a main refrigerating fluid in a second circuit itself pre-cooled to its at least partial liquefaction through heat exchange with an auxiliary refrigerating fluid in a third ...
The specific heat at constant volume of liquid argon has been measured within the temperature range from 87–150 K along the boiling line and at pressures up to 100 atm (10 MN m 2). By means of the measured values of the specific heat of the two—phase system liquid-gas, the specific...
The present invention relates to a gas-liquid mixture especially for use as a fire extinguishing agent. The mixture contains< P> a) at least one halogenated carbon or C.sub.1 -C.sub.10 hydrocarbon,< P>b) a chemical compound having a high stream pressure and a low boiling point, high ...
With regards to other cryogens, there is no clear distinction in hsp,f as compared to regular fluids (excluding water). 1.3.2 Nucleate boiling Post onset of nucleate boiling (ONB) (Tw≥ Tw,ONB), at low void fractions, the two-phase HTC, htp, is dominated by nucleate boiling. Fig. ...
Hydrazine is a clear liquid with a freezing point slightly above that of water, at about 2 °C, and a normal boiling point of 114 °C. Its density is slightly greater than that of water, at 1.003 g/cc. It is irritating to the ...
When a liquid is superheated above its boiling point to temperatures near or at the homogeneous nucleation limit, the energy released could create a so-cal... Z.ZHAO,S.GLOD,D.POULIKAKOS - 《International Journal of Heat & Mass Transfer》 被引量: 157发表: 2000年 Modeling Noble Gas Transpor...