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Re: Binomial expansion to 4th power - entropy

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On Thursday, August 13, 2015 at 2:21:39 PM UTC+10, tjrob137 wrote:
> On 8/12/15 8/12/15   11:19 AM, Y wrote:
> > If a system increases in entropy over time, then we should expect the state
> > of that system to become less predictable over time.
> 
> This is just plain wrong. You are using unacknowledged PUNS here. In particular 
> you are confused by the meanings of "entropy", "state", and "predictable".
> 
> Consider the thermodynamics of a system consisting of some gas and its 
> environment; here "state" consists of specific values of the state variables of 
> the system, such as pressure, volume, temperature, entropy, .... the state of 
> the system is well defined and follows an appropriate state equation -- i.e. it 
> is PERFECTLY PREDICTABLE, independent of the value of its entropy.
> 
> 	This OUGHT to be obvious, because the state is a MACROSCOPIC
> 	quantity, while the "disorder" related to entropy is MICROSCOPIC.
> 
> Your basic error is confusing "state" for the gas with "state" for the 
> individual atoms of the gas. As the entropy of the gas increases, the individual 
> atoms move in a more confusing way. But if you want to discuss the state of the 
> (many) individual atoms, you cannot use entropy or the other thermodynamic 
> quantities at all.
> 
> 	IOW "the entropy of an atom" makes no sense. Neither does "the
> 	temperature of an atom" or "the pressure of an atom". This is
> 	because entropy, temperature, and pressure are all MACROSCOPIC
> 	measures of a BULK material, and a single atom simply does not
> 	meet the assumptions used in defining those terms.
> 
> When you don't know what the words you use actually mean, you become become 
> confused, and make silly, incorrect statements, such as above.
> 
> 	If you want to consider the "system" comprised of the universe
> 	and all the stars and galaxies in it, the same situation holds
> 	-- you cannot discuss entropy along with individual stars or
> 	galaxies. You can discuss the macroscopic state of the universe
> 	using concepts like temperature and entropy, but you cannot
> 	combine that with a discussion of individual stars or galaxies.
> 
> 
> Tom Roberts



Sometimes when I think of entropy I think of 'state' of matter. Since during phase transitions entropy happens. 

Simple mistake. 

-y

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Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 09:19 -0700
  Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 09:22 -0700
  Re: Binomial expansion to 4th power - entropy Odd Bodkin <bodkinodd@gmail.com> - 2015-08-12 12:09 -0500
    Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 11:02 -0700
      Re: Binomial expansion to 4th power - entropy Odd Bodkin <bodkinodd@gmail.com> - 2015-08-12 14:12 -0500
        Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 12:36 -0700
          Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 12:42 -0700
            Re: Binomial expansion to 4th power - entropy Odd Bodkin <bodkinodd@gmail.com> - 2015-08-12 15:36 -0500
            Re: Binomial expansion to 4th power - entropy John Gogo <jfgogo22@yahoo.com> - 2015-08-12 18:33 -0700
          Re: Binomial expansion to 4th power - entropy Odd Bodkin <bodkinodd@gmail.com> - 2015-08-12 14:51 -0500
            Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 13:03 -0700
              Re: Binomial expansion to 4th power - entropy Odd Bodkin <bodkinodd@gmail.com> - 2015-08-12 15:37 -0500
                Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 14:42 -0700
                Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 14:44 -0700
                Re: Binomial expansion to 4th power - entropy Odd Bodkin <bodkinodd@gmail.com> - 2015-08-12 16:45 -0500
                Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 15:52 -0700
                Re: Binomial expansion to 4th power - entropy Odd Bodkin <bodkinodd@gmail.com> - 2015-08-12 18:00 -0500
                Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-12 17:25 -0700
                Re: Binomial expansion to 4th power - entropy Odd Bodkin <bodkinodd@gmail.com> - 2015-08-13 07:19 -0500
  Re: Binomial expansion to 4th power - entropy Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-12 23:21 -0500
    Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-13 06:50 -0700
      Re: Binomial expansion to 4th power - entropy Felipe Delgado <fd@spreadspectrum.org> - 2015-08-13 18:59 +0000
        Re: Binomial expansion to 4th power - entropy Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-14 20:13 -0500
    Re: Binomial expansion to 4th power - entropy Y <yanarchi@hotmail.com> - 2015-08-13 07:22 -0700
      Re: Binomial expansion to 4th power - entropy Poutnik <Poutnik4NNTP@gmail.com> - 2015-08-13 16:50 +0200
      Re: Binomial expansion to 4th power - entropy Felipe Delgado <fd@spreadspectrum.org> - 2015-08-13 18:53 +0000
  Binomial expansion to 4th power - entropy fuller.david@hotmail.com - 2015-08-13 06:35 -0700

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