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GR0177 #36
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Alternate Solutions |
Ning Bao 2008-02-01 06:29:07 | You could also remember that adiabatic and isothermal are not synonyms -> E. |  |
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Comments |
anmuhich 2009-03-14 12:57:30 | I agree with Ning Bao. It's easiest just to realize that in an adiabatic process the temperature changes, otherwise it would be isothermal. |  | phys2718 2008-09-24 15:58:27 | Careful, zero heat change alone isn't enough to guarantee zero entropy change. For example, in the adiabatic free expansion of the ideal gas there is an increase in entropy. The other necessary condition for no change in entropy is that the process be reversible, which is true here since the problem stated that we have a quasi-static expansion rather than a free expansion |  | Ning Bao 2008-02-01 06:29:07 | You could also remember that adiabatic and isothermal are not synonyms -> E. |  | antithesis 2007-10-01 12:19:36 | As a shorter way to do this exists if you remember that for adiabatic process,

or alternativly,

Therefor, if V changes ( ), T must change, and so (E) can't be true. |  |
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