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chemistry

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n-pentane and 1-butanol have nearly the same molecular weights but significantly different change in temperature values. explain the difference in change in temperature values of these substances based on their intermolecular forces.

  • chemistry -

    I'm a little confused about what you mean by "change in temperature values." Do you mean that the boiling point of n-pentane and 1-butanol are significantly different? They do have similar molecular weights (also called molar mass) but 1-butanol has OH attached to it which means that 1-butanol can form hydrogen bonds whereas n-pentane can not form hydrogen bonds. The hydrogen bonds cause the alcohol (1-butanol) to have higher boiling points. The same thing can be observed in the series H2O, H2S, H2Te or in NH3, PH3, AsH3, etc etc. Repost with clarification if I have interpreted your question incorrectly.

  • chemistry -

    sorry this question is out of a lab and i didn't think that nobody would understand the change in temperature since they havent done the lab but that does answer my question.

  • chemistry -

    You're welcome.

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