Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Enthalpy changes of fusion

CHAPTER 12 Thermodynamic Processes and Thermochemistry 507 TABLE 12.2 Enthalpy Changes of Fusion and Vaporizationt... [Pg.507]

Tungsten melts at 3410°C and has an enthalpy change of fusion of 35.4 kj moC. Calculate the entropy of fusion of tungsten. [Pg.563]

In Equation 9.25, A//fus is the molar enthalpy change of fusion for the solvent. Like... [Pg.495]

The enthalpy of atomization is an indication of the strength of bonding in a substance. For a solid to break up into atoms, it may first melt (accompanied by the standard enthalpy change of fusion), then evaporate (accompanied by the standard enthalpy change of vaporization) and finally, in the gas phase, any remaining bonds break to give individual atoms. [Pg.522]

The standard enthalpy change of vaporization is the enthalpy change which occurs (at constant pressure) when one mole of a pure liquid is completely vaporized under standard conditions. The standard enthalpy change of fusion is the enthalpy change which occurs (at constant pressure) when one mole of a pure solid is completely melted under standard conditions. [Pg.523]

C freezes irreversibly at constant temperature and a constant pressure of 1.000 atm. The enthalpy change of fusion at the normal melting temperature is 2331Jmol . ... [Pg.85]

Find the entropy change of the system and of the surroundings if 3.000 mol of water freezes reversibly at 1.000 atm. The freezing temperature is 0.00 C at this pressure, and the specific enthalpy change of fusion is equal to 79.7 calg at this temperature. [Pg.123]

The molar enthalpy change of fusion of water is equal to 6.01 kJ mol Show that the value of the freezing point depression constant for water is equal to 1.86Kkgmol. ... [Pg.294]

The normal melting temperature of phenanthrene is 96.3°C. Its enthalpy change of fusion is 18.6kJmol. Find the solubility (maximum mole fraction) of phenanthrene in a liquid solution with naphthalene at 82.0°C. Assume that the liquid solution is ideal and that no solid solubility occurs. [Pg.298]

The molar enthalpy change of fusion of ethylene glycol is 11.23 kJmol . Its density is 1.1088 g cm . Find the freezing temperature of a solution made from 0.500 L of water and 9.500 L of ethylene glycol. State any assumptions. [Pg.300]

The freezing temperature of CH2OHCH2OH, (ethylene glycol, the main ingredient of automobile antifreeze), is — 11.5°C. Its density is 1.1088gcm , and its enthalpy change of fusion is 11.23 kJ mol . [Pg.301]

Table A.7 Specific Enthalpy Changes of Fusion and Vaporization... Table A.7 Specific Enthalpy Changes of Fusion and Vaporization...
See other pages where Enthalpy changes of fusion is mentioned: [Pg.125]    [Pg.55]    [Pg.868]    [Pg.1004]    [Pg.55]    [Pg.112]    [Pg.815]    [Pg.1115]    [Pg.55]    [Pg.82]    [Pg.85]    [Pg.141]    [Pg.147]    [Pg.174]    [Pg.209]    [Pg.214]    [Pg.293]    [Pg.298]    [Pg.300]    [Pg.301]    [Pg.301]   
See also in sourсe #XX -- [ Pg.100 ]



SEARCH



Enthalpy change of fusion, group 18 elements

Enthalpy of fusion

Fusion enthalpy

Of fusion

© 2024 chempedia.info