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Two rigid boxes containing different ideal gases are placed on a table. Box A contains one mole of nitrogen at temperature T o , while Box B contains one mole of helium at temperature 7/3 T o . The boxes are then put into thermalcontact with each other and heat flowsbetween them until the gases reach a common final temperature. (Ignore the heat capacity of boxes). Then the final temperatures of the gases, T f in terms of T o is 1) T f = 5/2 T o 2) T f = 3/7 T o 3) T f = 7/3 T o 4) T f = 3/2 T o


Two rigid boxes containing different ideal gases are placed on a table. Box A contains one mole of nitrogen at temperature To, while Box B contains one mole of helium at temperature 7/3 To.  The boxes are then put into thermalcontact with each other and heat flowsbetween them until the gases reach a common final temperature.  (Ignore the heat capacity of boxes).  Then the final temperatures of the gases, Tf in terms of To is
1) Tf = 5/2 To     2)  Tf= 3/7 To     3) Tf = 7/3 To  4) Tf  =  3/2 To


Grade:10

2 Answers

Santosh Datla
askIITians Faculty 77 Points
7 years ago
524-346_Capture.PNG
Hence option 4..

Hope this helps...
Kushagra Madhukar
askIITians Faculty 628 Points
3 years ago
Dear student,
Please find the attached solution to your problem below.
 
Hence, option 4 is correct.
 
Hope it helps.
Thanks and regards,
Kushagra

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