The gas inside a balloon has a pressure of 8 atmosphere at 27°C. It suddenly bursts. If for the gas CpCv=1.5,find the resulting temperature.
27 K
-37° C
-123° C
150° C
The expansion process is adiabatic.∴T2T1=P2P1γ−1γ⇒T2300=181.5−11.5=181/3=1/2T2=150K∴t2=(150−273)∘C=−123∘C.