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- Which of the following should have the lowest boiling point? U.a. HF Ob. H,0 C. O2 Od. NH3What is the proper ranking of the following molecules in terms of increasing strength of dispersion forces? H H H. H CC -H H C C C- H- H. H. H. O A11. At the end of a cooking cycle, a pressure cooker contains a mixture of water, steam, and food at a temperature of 120°C and 1.5 atm of pressure. The pressure is valve is opened and the pressure decreases, which alters water's boiling point and causes the contents of the pressure cooker to cool rapidly. Which statement best explains why the contents cooled rapidly after the pressure was released? A. Water lost heat as it vaporized. B. Water absorbed heat as it vaporized. C. Water lost heat as it condensed. D. Water absorbed heat as it condensed.45. Which of the following shows the increasing boiling points of halogens? A. F2 < I2is this correct?Rank the following in order of increasing normal boiling point: N₂, O2, Br2, Xe. ©Nz3. Classify each of the following substances, in the solid state, as molecular, ionic, covalent (network), or metallic solids: Electrical Melting Boiling Point (°C) Conductor Point (°C) Solid Liquid CeCl, 848 1727 yes no Ti 1675 3260 yes yes TiCl4 NO,F -25 136 no no -175 -45.9 no no В 2300 2550 no noanswer number 10.Recommended textbooks for youChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
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