Problem: The table shown here lists the molar heats of vaporization for several organic compounds.Compound Heat of vaporization (kJ/mol)CH3CH2CH319.0CH3CH2CH2CH2CH327.6CH3CHBrCH331.8CH3COCH332.0CH3CH2CH2Br33.6CH3CH2CH2OH47.3Use specific examples from this list to illustrate how the heat of vaporization varies with molar mass.

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We are asked to use specific examples from the given list to illustrate how the heat of vaporization varies with molar mass.

Recall:

As molar mass increases, ΔHvap increases.

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Problem Details
The table shown here lists the molar heats of vaporization for several organic compounds.


Compound Heat of vaporization (kJ/mol)
CH3CH2CH319.0
CH3CH2CH2CH2CH327.6
CH3CHBrCH331.8
CH3COCH332.0
CH3CH2CH2Br33.6
CH3CH2CH2OH47.3


Use specific examples from this list to illustrate how the heat of vaporization varies with molar mass.

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