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E) there is a higher moisture content in the air at high altitude, A) water boils at a lower temperature at high altitude than at low altitude, The vapor pressure of a liquid ________. Which compound in the following pairs will have the higher boiling point? A: In this question, we will arranged all substances in Decreasing order of their boiling point. Consequently, even though their molecular masses are similar to that of water, their boiling points are significantly lower than the boiling point of water, which forms four hydrogen bonds at a time. Why or why not? D) mainly hydrogen bonding but also dipole-dipole interactions E) Capillary action, Which statements about viscosity are true? What are their states at room temperature? Draw all C_4H_10 isomers and explain which of them has the higher boiling point? Use the following information to determine if the intermolecular forces of acetone are greater or weaker than the intermolecular forces of water. Its density is 1.435 g/mL and its vapor pressure at 20C is 124 mm Hg. Make certain that you can define, and use in context, the key terms below. Their structures are as follows: Asked for: order of increasing boiling points. C) C3H7OH B The one compound that can act as a hydrogen bond donor, methanol (CH3OH), contains both a hydrogen atom attached to O (making it a hydrogen bond donor) and two lone pairs of electrons on O (making it a hydrogen bond acceptor); methanol can thus form hydrogen bonds by acting as either a hydrogen bond donor or a hydrogen bond acceptor. 4. Answer 3: C. There are more electrons in the electron cloud around F than around Cl or Br; the others are symmetrical. The molar mass of vanadyl trichloride is = 173.3g/mol. C) larger hydrogen-bond forc, Arrange the following compounds from highest boiling point to lowest boiling point and explain your answer on the basis of whether the substance is polar, nonpolar, ionic, metallic, or has hydrogen bonding. The other atoms have more affinity for the shared electrons, so they become slightly negatively charged and hydrogen becomes slightly positively charged. The ease of deformation of the electron distribution in an atom or molecule is called its polarizability. E) CH4, Types of solids characterized by low melting point, softness and low electrical conduction, sold that has high melting point, great hardness, poor electrical conduction.