Question:

Why does perfume or aftershave evaporate faster than water?

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plz help miii =]

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4 ANSWERS


  1. Because organic liquids composed of light hydrocarbons like isopropyl alcohol have higher vapor pressures at a specific temperature than water.  Another way to say this is the boiling points of these liquids are lower than water.  Higher vapor pressure means they evaporate faster.

    There are also air-liquid partial pressure gradients that can be important (air generally contains a sizable partial pressure of water vapor and organics are present at trace levels) but these are too complicated to explain in a two paragraph answer.


  2. they contains spirit (the liquid which is applied after the vaccination) which absorbs the heat rapidly then the water

  3. Because alcohol evaporates quicker than water.

  4. 'Cuz its got alcohol in it and its more volatile than water alone.

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