The normal melting point of acetic acid hc2h3o2 is 16.6 c. for the process of melting acetic acid at 1 atm what is the sign for each of the following . for each choose positive or negative or zero
a. delta h
b. delta s
c. delta g at 16.6 c d. delta g at 0 c
e. delta g at 25 c

vanderwaal's forces of attraction are the electrostatic intermolecular forces that exist in a molecule due to the temporary or permanent dipoles that are developed in a molecule. in , the major intermolecular forces are dipole-dipole interactions as the molecule is polar (bent structure). so the vanderwaal's forces of interaction in between molecules are the permanent dipole-dipole interactions that develop due to the dipole that exists in between the polar h - s bond. the positively charged hydrogen atom is attracted towards the negative end of the dipole that is sulfur of the adjacent molecule. therefore, these forces of attraction are relatively stronger than that of london dispersion forces that exist in non polar molecules.

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