Question
Medium
Solving time: 3 mins
Two rigid boxes containing different ideal gases are placed on a table. Box contains one mole of nitrogen at temperature , while box contains one mole of helium at temperature (7/3) . The boxes are then put into thermal contact with each other and heat flows between them until the gases reach a common final temperature (ignore the heat capacity of boxes). Then, the final temperature of the gases, , in terms of is
(a)
(b)
(c)
(d)
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Text solutionVerified
Here, change in internal energy of the system is zero, i.e., increase in internal energy of one is equal to decrease in internal energy of other.
Change in internal energy in box ,
Change in internal energy in box
Now,
or
or
or
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Question Text | Two rigid boxes containing different ideal gases are placed on a table. Box contains one mole of nitrogen at temperature , while box contains one mole of helium at temperature (7/3) . The boxes are then put into thermal contact with each other and heat flows between them until the gases reach a common final temperature (ignore the heat capacity of boxes). Then, the final temperature of the gases, , in terms of is (a) (b) (c) (d) |
Updated On | Dec 25, 2023 |
Topic | Thermodynamics |
Subject | Physics |
Class | Class 11 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 176 |
Avg. Video Duration | 5 min |