The Solubility of Substances in Aqueous Solutions
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Questions and Answers

What gives the oxygen atom a partial negative charge in a water molecule?

  • Hydrogen bonding
  • Dipole-dipole interactions
  • Electrostatic interactions
  • The electronegativity of oxygen (correct)

    • What type of bonding is responsible for the extensive hydrogen bonding in water?

  • Covalent bonding
  • Dipole-dipole interactions
  • Hydrogen bonding (correct)
  • Ionic bonding

    • What type of substances tend to be soluble in water due to its properties?

  • Molecules with weak electrostatic interactions
  • Polar molecules and ionic solids (correct)
  • Molecules with strong covalent bonds
  • Nonpolar molecules

    • What characteristic of water contributes to its high melting and boiling points compared to similar molecules like ammonia and methane?

    <p>Extensive hydrogen bonding</p> Signup and view all the answers

    What are the pair of electrons in the O-H bond of a water molecule not equally shared due to?

    <p>The electronegativity difference between oxygen and hydrogen</p> Signup and view all the answers

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