CHEM 1000 Lecture Notes - Lecture 2: Pentane, Sodium Bromide, Network Covalent Bonding
11 Dec 2015
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Ch3cn is polar and thus has the strongest intermolecular forces and should have the highest boiling point. 1b. (ch3)3ch < ch3ch2ch2ch3 < so3 < c8h18 < c6h5cho. 0. 0435 g h o vapor, 0. 089 g liquid water . He , ne, o2 , o3 , cl2 , (ch3)2co. The magnitude of the enthalpy of vaporization is strongly related to the strength of intermolecular forces: the stronger these forces, the more endothermic the vaporization process. The first three substances all are nonpolar and, therefore, their only intermolecular forces are. London forces, whose strength primarily depends on molar mass. , and order of increasing molar mass: h also in order of increasing heat of vaporization. The last substance has a molar mass of 61. 0. 2 were g/mol, which would produce intermolecular forces smaller than those of c h6 nonpolar. Thus, the strong dipole dipole forces developed between ch3no2 molecules make the enthalpy of vaporization for ch3no2 larger than that for.
