Concept explainers
(a)
Interpretation:
The intermolecular interaction that increases with molecular size is to be stated.
Concept introduction:
There are three types of interactions through which the molecules are stabilized. They are hydrogen-bonding interactions, the dipole-dipole interactions and the induced dipole interactions. These interactions influence the properties of the compounds like boiling point, melting point and so on.
(b)
Interpretation:
The intermolecular interaction that is responsible for high melting point, boiling point, and other abnormal properties of water is to be stated.
Concept introduction:
There are three types of interactions through which the molecules are stabilized. They are hydrogen-bonding interactions, the dipole interactions and the induced dipole interactions. These interactions influence the properties of the compounds like boiling point, melting point and so on.
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Chapter 15 Solutions
Introductory Chemistry: An Active Learning Approach
- Are changes in state physical or chemical changes? Explain. What type of forces must be overcome to melt or vaporize a substance (are these forces intramolecular or intermolecular)? Define the molar heat of fusion and molar heat of vaporization. Why is the molar heat of vaporization of water so much larger than its molar heat of fusion? Why does the boiling point of a liquid vary with altitude?arrow_forwardWhich of the following is FALSE about the water molecule? A) The H atoms bear the partial positive charge. Intermolecular forces among water molecules are the least extensive when it is in liquid B form. (c) The atoms comprising the water molecule are covalently bonded with one another. D Its molecular geometry is not linear.arrow_forwardWhat is the equilibrium between liquid water and water vapor?arrow_forward
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