Chemistry

Do intermolecular forces change during phase changes?

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2013-04-21 01:49:52
2013-04-21 01:49:52

heat energy and intermolecular forces cause phase changes.

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The thing that changes during a change of state is the intermolecular forces are disrupted. The temperature will not change because all of the energy is going into disrupting or organizing the intermolecular forces.


During a phase change, the heat transferred to a substance is used to break intermolecular forces (latent heat), and thus the temperature of the substance does not change. The opposite also occurs: heat is transferred from a substance during a phase change without a decrease in temperature as intermolecular bonds form.


Three factors affected during a phase change would be temperature, pressure and intermolecular forces/internal energy.


because energy is required to break the intermolecular forces in the molecule


These are polar forces, intermolecular forces of attraction between molecules.


The only intermolecular forces in this long hydrocarbon will be dispersion forces.


Yes,intermolecular forces are weaker in gas.Much stronger in solid


Dipole forces and London forces are present as intermolecular forces in these molecules.


The intermolecular forces operating in NO would be dipole interactions and dispersion forces.



The greater the intermolecular forces, the greater the solubility.


The oxygen molecule has a covalent bond; the intermolecular forces are London dispersion forces.


1. Intermolecular forces are the forces between molecules, while chemical bonds are the forces within molecules. 2. Chemical bonds combine atoms into molecules, thus forming chemical substances, while intermolecular forces bind molecules together. 3. Chemical bonding involves the sharing or transferring of electrons, while intermolecular forces do not change the electron stucture of atoms. 4. Intermolecular forces hold objects together, while chemical bonds hold molecules together.


In Br2 the intermolecular forces are London dispersion forces.



Intramolecular forces are not intermolecular forces !


Pretty much the only intermolecular forces in gasoline would be London dispersion forces.


surface tension increases as intermolecular forces increase


surface tension increases with increasing intermolecular forces


London forces are the only intermolecular forces present in gaseous fluorine.



The intermolecular forces of propanol are hydrogen bonding, dipole-dipole forces and London dispersion forces.


The intermolecular forces are hydrogen bonding.


Glycerol have hydrogen bonds,but this intermolecular forces are slightly weaker than in water


The greater the intermolecular forces in a liquid, the higher is its boiling point.



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