Chemistry

Chemistry, 29.09.2019 23:00, rheamskeorsey33

Molecules in a sample of nh3 are held closely together by intermolecular forces

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Chemistry, 09.07.2019 08:20, mariano24

In the liquid and solid states, molecules are held together by attractions called intermolecular forces. there are several types of intermolecular forces. london dispersion forces, found in all substances, result from the motion of electrons. these work to attract both polar and nonpolar molecules to one another via instantaneous dipole moments. dipole-dipole forces arise from molecular dipole moments. ion-dipole forces result from the interaction of an ion and a molecular dipole. hydrogen-bond forces result from the attraction of a hydrogen atom bonded to a small highly electronegative atom (n, o, and f) and the unshared electron pairs of another electronegative atom physical properties such as boiling point, melting point, vapor pressure, viscosity, and surface tension are all affected by the strength of the intermolecular forces within a substance. part a what happens to these physical properties as the strength of intermolecular forces increases?

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Chemistry, 22.08.2019 03:50, ogsmash81

Choose from the following descriptions of solid: hcl(s) (a) composed of macromolecules held together by strong bonds (b) composed of atoms held together by delocalized electrons (c) composed of positive and negative ions held together by electrostatic attractions (d) composed of molecules held together by intermolecular dipole–dipole interactions (e) composed of molecules held together by intermolecular london forces

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Chemistry, 07.10.2019 11:50, kandiceboggs1

Molecules in a sample of nh3(l) are held closely together by intermolecular forces (1) existing between ions(2) existing between electrons(3) caused by different numbers of neutrons(4) caused by unequal charge distribution

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