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jkasdhk Group Title

How increasing the pressure on a gas can sometimes cause it to liquify?

  • one year ago
  • one year ago

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  1. jkasdhk Group Title
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    @Zaara

    • one year ago
  2. jkasdhk Group Title
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    is it the answer? Pressure causes the molecules to smunch together. Likewise, reducing pressure on a liquid will cause the molecules to spread out, turning it to gas

    • one year ago
  3. Zaara Group Title
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    say u have gas in a container, the molecules inside will be moving randomly exerting pressure on the wall of the container. nw when u increase the pressure that means when reducing its volume, the molecules inside will come very closer to each other so that the inter molecular attraction of molecules will be higher... this will lead the molecules to combine together to form liquid... that is the gas will be liquefied.

    • one year ago
  4. Zaara Group Title
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    ur second statement is nt practically correct... liquid becoming gas depends on temperature....

    • one year ago
  5. jerry_5594 Group Title
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    NO, IT STILL DEPENDS ON THE PRESSURE. IT HAS NOTHING TO DO WITH THE TEMPERATURE

    • one year ago
  6. jkasdhk Group Title
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    alright.. I got it! Thanks a lot! :)

    • one year ago
  7. Zaara Group Title
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    @jerry_5594 how do u reduce pressure in liquid????? when temperature increases the molecules move faster breaking their bonds and try to escape as gas... liquid becomes gas this way.......

    • one year ago
  8. jerry_5594 Group Title
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    BY PUTTING A LOT OF AIR PRESSURE ON IT.

    • one year ago
  9. jkasdhk Group Title
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    putting pressure on liquid will not make it gas... putting pressure on gas will make it liquid.

    • one year ago
  10. Zaara Group Title
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    @jerry_5594 not so... that will even compress more not gonna be converted into gas :)

    • one year ago
  11. jerry_5594 Group Title
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    IF THERES ENOUGH PRESSURE IT WILL TURN IN TO A LIQUID

    • one year ago
  12. jkasdhk Group Title
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    ok @zaara this happens when the temp of gas is below critical temp. Above Tc no amount of pressure will liquify the gas.. Why?

    • one year ago
  13. jkasdhk Group Title
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    ?

    • one year ago
  14. Zaara Group Title
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    Gases can't be liquefied at temperatures above the critical temperature because at this point the properties of gases and liquids become the same, and there is no basis on which to distinguish between gases and liquids. The vapor pressure of a liquid at the critical temperature is called the critical pressure (Pc). The vapor pressure of a liquid never gets larger than this critical pressure.

    • one year ago
  15. jkasdhk Group Title
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    and K.E. also is very high at Tc ... Right?

    • one year ago
  16. Zaara Group Title
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    yeah! u got it!!

    • one year ago
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