Question: An ideal gas for which (gamma=1.4) initially has a volume of (1.5 mathrm{~m}^{3}) and a pressure of (15 mathrm{MPa}). The gas is then slowly compressed

An ideal gas for which $\gamma=1.4$ initially has a volume of $1.5 \mathrm{~m}^{3}$ and a pressure of $15 \mathrm{MPa}$. The gas is then slowly compressed isentropically to a volume of $0.50 \mathrm{~m}^{3}$.

(a) What is the final pressure in the gas?

(b) By how much did the entropy of the gas change?

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