Thermodynamics Question 350

Question: One gm mol of a diatomic gas (γ=1.4) is compressed adiabatically so that its temperature rises from 27oC to 127oC . The work done will be

Options:

A) 2077.5 joules

B) 207.5 joules

C) 207.5 ergs

D) None of the above

Show Answer

Answer:

Correct Answer: A

Solution:

[a] W=Rγ1(T1T2)

=8.31×(273+27)(273+127)1.41=2077.5 joules



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