The 9 species are to be separated based on their differences in volatility, primarily using distillation...

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Chemistry

The 9 species are to be separated based on their differences involatility, primarily using distillation columns.(benzene,p-xylene,toluene, ethylene, cumene, hydrogen, methane , ethane, propane ,propyl) rank the species from most volatile (#1) to least volatile(#9), and what is the physical properties used to make thisdetermination.

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Volatile means changing phase from liquid to gaseous state. We should consider boiling points of all these 8 species. As propyl is not a compound it is a group it will not exist alone. Examples are propyl alcohol, propyl chloride, propyl bromide, propyl iodide, propyl cyanide etc. Boiling point physical properties are used to make this determination.

SubstanceÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Boiling Point

1. hydrogenÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -252 ^oCÂ Â ----------------------------- most volatile

2. methaneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -161.5 ^oC

3. ethyleneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -103.7^oC

4. ethaneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -89 ^oC

5. propyleneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -47.6 Â°C

6. propaneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -42 ^oC

7. benzeneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â +80.1 ^oC

8. tolueneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â +110.6 ^oC

9. p-xyleneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â +138.4 ^oCÂ Â

10. cumeneÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â +152.4 ^oC ----------------------------- least volatile

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