Liquids Worksheet

 

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  1. Are liquids closer in physical properties to solids or gases? Why?

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  2. Characteristics of liquids

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        2.  

      1. How do the intermolecular interactions affect this characteristic?

       


        3.  

      1. What forces are responsible for this characteristic.

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      2. How do intermolecular interactions affect these forces?

       


        4.  

      1. How do intermolecular forces affect this property?

       


        5.  

      1. How do intermolecular forces affect this property?

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      2. How does temperature affect this property?

     

     

  3. In each of the following groups of substances, pick the one that has the given property

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    1. Highest boiling point: HBr, Kr, Cl2

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    2. Highest freezing point: H2O, NaCl, HF

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    3. Lowest Vapor Pressure:  Cl2, Br2, I2

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    4. Lowest freezing point: N2, CO, CO2

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    5. Greatest viscosity: H2S, HF, H2O2

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    6. Greatest heat of vaporization: CH3OCH3, CH3CH2OH, CH3CH2CH3

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    7. Smallest enthalpy of fusion: I2, CsBr, CaO

     

     

  4. Rationalize the difference in boiling point for:

    CH3CH2CH2CH2CH3                   

     

    (36.2°C)
                               
    (9.5°C)             

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  5. Which of the following substance would have a boiling point closest to argon?

    Cl2, HCl, F2, NaF, or HF

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  6. Match the following boiling points with the correct structure; -42.1°C, -23°C and 78.5°C

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    1. CH3CH2OH

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    2. CH3OCH3

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    3. CH3CH2CH3

     

     

  7. Why does water create a concave meniscus and mercury a convex meniscus?

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  8. Why does water form into beads on a waxed car?

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