Dispersion forces Study guides, Revision notes & Summaries

Chemistry definition : Study of structure, properties, transformations of matter Matter : Anything that has mass + takes up space Phases: solid, liquid, gas Condensed phases = solids + liquids Intermolecular Forces (IMF) : = Interactions between molecules/atoms/ions Solution : = Homogenous mixtures of 2+ pure substances In a solution, the solute is dispersed uniformly throughout the solvent - Solute = compound(s) in lesser amount - Solvent = compound in greater amount 2 | P a g e E...

The phase in which a substance exists depends on the relative extents of its- correct answer: Intermolecular forces and kinetic energies of its molecules van der Waals forces correct answer: a slight attraction that develops between the oppositely charged regions of nearby molecules Londen dispersion forces correct answer: attraction between two rapidly fluctuating, temporary dipoles; significant only when particles are very close together instantaneous dipole correct answer: a flee...

What are the 5 types of intermolecular forces? 1. Dispersion 2. Hydrogen bonding 3. Dipole-dipole 4. Ion-dipole 5. Ion-Ion Dispersion forces the weakest intermolecular force; a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles Hydrogen bonding forces stronger than dispersion forces its an attraction of hydrogen to O, F, and N Dipole-dipole forces intermolecular forces that exist between polar m...

Intermolecular forces - ANSWER- non bonding forces - found BETWEEN molecules - influence the energy physical properties of the substances Physical properties examples - ANSWERboiling point, melting point, solubility, color, odor, etc. T/F: stronger intermolecular forces correlate to a higher boiling point - ANSWERTrue Kinetic energy - ANSWER- provides the energy needed to overcome intermolecular forces What is kinetic energy associated with? - ANSWERThe random motion of particles...

intermolecular forces correct answers forces that hold molecules to other molecules (not bonds within molecules) ion-ion interaction correct answers occurs between ions, with opposite charges attracting and like charges repelling ion-dipole interaction correct answers occur between ions and polar molecules, where the ion is attracted or repelled to a partial charge in the polar molecules (includes interactions between water and dissolved ions) dipole-dipole interaction correct answers o...

CHEM 210 FINAL 100% VERIFIED UPDATE 2023/2024 The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. - ANSWER Highest: Nh3 SbH3 AsH3 PH3 What is the strongest type of intermolecular force present in H2? - ANSWER Dispersion Identify the compound that does not have dipole-dipole forces as its strongest force. - ANSWER Co2 Which of the following must be overcome during the boiling of acetonitrile, CH3CN? 1. dispersion forces 2. dipol...

What is the difference in the properties of a solid, liquid, or gas reflect the strengths of the attractive forces between the molecules that make up each phase? - ANSWERintermolecular forces What are the examples of intermolecular forces? - ANSWERdispersion, dipole-dipole, hydrogen bonding Dipole-dipole interactions are attractive forces that act between ______ molecules. - ANSWERpolar Polar molecules have permanent dipoles. The positive end of one permanent dipole is attracted to the ...

Which of the following lists some of the levels of biological organization from less complex to more complex? Answer atoms, molecules, cells, organs What are isotopes? Answer two atoms of an element that have same number of protons but different numbers of neutrons What are valence electrons and why are they important? Answer Valence electrons are the electrons in the outermost orbital of an atom that can participate in bonding What are covalent bonds? Answer electrons shared between at...

CEM 142 MSU Final Exam Questions and Answers Already Passed Does aqueous sugar conduct electricity, why or why not No, because there are no ions Does aqueous NaCl conduct electricity? Yes, because this is an ionic compound (metal/nonmetal) What is the only IMF present in non polar molecules London Dispersion Forces How does electronegativity change in the periodic table Electronegativity increases from left to right (with the right being most electronegative), and increases from bo...

Highest: Nh3 SbH3 AsH3 PH3 The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. Dispersion What is the strongest type of intermolecular force present in H2? Co2 Identify the compound that does not have dipole-dipole forces as its strongest force. 1 and 2 Which of the following must be overcome during the boiling of acetonitrile, CH3CN? 1. dispersion forces 2. dipole-dipole forces 3. hydrogen bonds I>III&gt...