March 28, 2024, 04:24:25 AM
Forum Rules: Read This Before Posting


Topic: Why is the vacuum in space considered cold?  (Read 29586 times)

0 Members and 1 Guest are viewing this topic.

Offline Mitch

  • General Chemist
  • Administrator
  • Sr. Member
  • *
  • Posts: 5298
  • Mole Snacks: +376/-3
  • Gender: Male
  • "I bring you peace." -Mr. Burns
    • Chemistry Blog
Re:Why is the vacuum in space considered cold?
« Reply #15 on: April 27, 2004, 04:29:28 PM »
The molecule would still vibrate however even at absolute zero. It just something that comes from quantum mechanics.
Most Common Suggestions I Make on the Forums.
1. Start by writing a balanced chemical equation.
2. Don't confuse thermodynamic stability with chemical reactivity.
3. Forum Supports LaTex

Corvettaholic

  • Guest
Re:Why is the vacuum in space considered cold?
« Reply #16 on: April 27, 2004, 04:30:31 PM »
Ah, thats beyond me then. So if its still vibrating, that means there has to be kinetic energy and absolute zero simply isn't possible no matter what.

Offline Mitch

  • General Chemist
  • Administrator
  • Sr. Member
  • *
  • Posts: 5298
  • Mole Snacks: +376/-3
  • Gender: Male
  • "I bring you peace." -Mr. Burns
    • Chemistry Blog
Re:Why is the vacuum in space considered cold?
« Reply #17 on: April 27, 2004, 06:19:00 PM »
I think you could get KE to zero, but there are many other types of energy: Kinetic energy, electronic energy, vibrational energy, rotational energy. Kinetic energy isn't an all embracing description of all the types of energy a molecule has.
Most Common Suggestions I Make on the Forums.
1. Start by writing a balanced chemical equation.
2. Don't confuse thermodynamic stability with chemical reactivity.
3. Forum Supports LaTex

Corvettaholic

  • Guest
Re:Why is the vacuum in space considered cold?
« Reply #18 on: April 27, 2004, 06:21:10 PM »
Wouldn't vibrational and rotational also fall under kinetic? Those things are movement too, and I figured kinetic had anything to do with motion. Now electronic energy, I can't think of a way to get rid of that unless you had no mass, cause I remember in physics that 2 objects will have SOME attraction to each other because of some gravity thing related to mass. Its infintesmal, but its there.

Sponsored Links