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Question: Answered & Verified by Expert
1 mole of a gas with γ=75  is mixed with 1 mole of a gas γ=53, then the value of γ for the resulting mixture is
PhysicsThermodynamicsNEET
Options:
  • A 75
  • B 25
  • C 2416
  • D 127
Solution:
2674 Upvotes Verified Answer
The correct answer is: 2416
For mixture of gases

n 1 + n 2 γ m - 1 = n 1 γ 1 - 1 + n 2 γ 2 - 1

1 + 1 γ m - 1 = 1 7 5 - 1 + 1 5 3 - 1

2 γ m - 1 = 5 2 + 3 2

or   2 γ m - 1 = 8 2

or   8 γ m - 8 = 4

or   8 γ m = 12

or   γ m = 12 8 = 24 16

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