Thermodynamics Question 36

Question: At 27oC a gas is suddenly compressed such that its pressure becomes 18th of original pressure. Temperature of the gas will be (γ=5/3)

[BHU 2000]

Options:

A) −2767.23J

B) 2767.23J

C) 2500J

D) −2500J

Show Answer

Answer:

Correct Answer: B

Solution:

W=μR(T1−T2)(γ−1)=μRT1(γ−1)[1−T2T1]

=μRT1(γ−1)[1−(V1V2)γ−1]

=2×8.31×300(53−1)[1−(12)53−1]

=+2767.23 J

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