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gas

Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide). A gas mixture, such as air, contains a variety of pure gases. What distinguishes a gas from liquids and solids is the vast separation of the individual gas particles. This separation usually makes a colorless gas invisible to the human observer.
The gaseous state of matter occurs between the liquid and plasma states, the latter of which provides the upper temperature boundary for gases. Bounding the lower end of the temperature scale lie degenerative quantum gases which are gaining increasing attention.
High-density atomic gases super-cooled to very low temperatures are classified by their statistical behavior as either Bose gases or Fermi gases. For a comprehensive listing of these exotic states of matter see list of states of matter.

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  1. Anonymous99

    Looking for a gas engineer

    Hi, I'm looking for a gas engineer who I can work with so I can complete my portfolio. I have done level 2 and 3 tech cert along with bpec gas foundation and in order to progress to ACS, I have to finish my portfolio. I also want to learn plumbing along with gas so I can learn more things. I...
  2. N

    Should a new gas supply feed be included in a whole house replumb job?

    I am undergoing a whole house refurb including new plumbing, boiler, rads etc. I specifically asked for new copper pipes throughout the property which they charged extra for (didn't want push fit piping). I have now been told in the middle of the job that they recommend a replacing the...
  3. D

    URGENT Gas Boiler Leaking Yellow Water

    2 of my properties tenants have notified me that their boilers are leaking yellow water, i need someone ASAP since that Rubbish is disgusting and i cant let them live off like that. Water heating is fine tho, i am prepared to pay anything just get here asap post code is TA5
  4. K

    One burner on gas hob not working

    How would you classify this for a LL cert?
    • kasser
    • Thread
    • burner gas hob not working working
    • Replies: 4
    • Forum: Gas Engineers Forum
  5. T

    Sewer gas smell from shower 10am daily.

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  6. irishwildman

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  7. C

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    • Chopper9495
    • Thread
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    • Forum: Gas Engineers Forum
  8. B

    Plumber did not commission boiler

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  9. dilligaf

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  10. ian.

    Filter in gas line, is it needed?

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  11. S

    Unvented extractor fan for gas cooker

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    • cooker extractor fan gas unvented
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    • Forum: Gas Engineers Forum
  12. M

    Looking for a commercial gas engineer

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  13. O

    Training to become a gas engineer in my own time?

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  14. F

    repair a opalia C 16 gas hot water heater

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  15. P

    Need a Plumber to help find and repair sewer gas smell

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  16. Jamro91

    Gas pressure dropping to zero when demand kicks in?!

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  17. F

    New Career - Gas Safe

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  18. G

    Commercial Gas Engineers Required - Various locations - South England

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    • Forum: Gas Engineers Forum
  19. I

    Recent gas engineer wanting to gain lpg lav qualification?

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  20. J

    looking for a self employed gas engineer london/kent

    I'm looking for a commercial gas engineer to assist with servicing, callouts etc. work is mostly london based but also have sites in kent/essex. I am a ltd company thats been running for 12 years and am now looking to expand. Ideally im looking for someone who is self employed (or another ltd...
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