Under appropriate conditions, the attractions between all gas molecules will cause them to form liquids or solids. Intermolecular forces are those that bring about or result in an action between the molecules. • Viscosity increases with stronger intermolecular forces caused by increase in the molecular weight, and decreases with higher temperature. Learn vocabulary, terms, and more with flashcards, games, and other study tools. What is the strongest intermolecular force present for each of the following molecules? Forces between Molecules. Justify your choice in terms of intermolecular forces. The differences in the properties of a solid, liquid, or gas reflect the strengths of the attractive forces between the atoms, molecules, or ions that make up each phase. due to stronger intermolecular interactions. IMFs are the various forces of attraction that may exist between the atoms and molecules … For each pair of compounds listed below, identify the compound that has the highest boiling point. answer in terms of intermolecular forces. One rubbing alcohol solution contains 2-propanol and water. Chapter 12 Intermolecular First page of chapter Forces and ... Posted on 21-Feb-2020. The intermolecular attractive forces are much greater in water than in hydrogen sulfide and hydrogen selenide. In general, substances with stronger intermolecular forces have _____ boiling points than those with weaker intermolecular forces answer choices higher Cohesive forces are the intermolecular forces that hold the molecules of the liquid together, while adhesive forces are the attractive forces between the molecules of the liquid and the walls of the capillary. These could include when molecules are attracted or want to move away from each other. The water molecule is … surface tension. 1) hydrogen (H 2) London dispersion forces 2) carbon monoxide (CO) London dispersion forces 3) silicon tetrafluoride (SiF 4) London dispersion forces 4) nitrogen tribromide (NBr 3) dipole-dipole forces 5) water (H 2 O) hydrogen bonding 6) acetone (CH 2 Intermolecular Forces Viscosity • Resistance of a liquid to flow is called viscosity . Intermolecular Forces Practice 1. 23.Base your answer to the following question on the information below and on your knowledge of chemistry. Answered: Dec 11, 2017. Favorite Answer There are three intermolecular forces - Van der Waals (the weakest), Permanent Dipoles and then hydrogen bonds (the strongest). The phase in which a substance exists depends on the relative extents of its intermolecular forces (IMFs) and the kinetic energies (KE) of its molecules. Water is less polar than hydrogen sulfide and hydrogen selenide. Rubbing alcohol is a product available at most pharmacies and supermarkets. 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