Question: A gas undergoes the following reversible non-flow processes during its initial pressure of 15 bar and volume (1 mathrm{~m}^{3} / mathrm{kg}) to final pressure of

A gas undergoes the following reversible non-flow processes during its initial pressure of 15 bar and volume $1 \mathrm{~m}^{3} / \mathrm{kg}$ to final pressure of 6 bar and volume $2 \mathrm{~m}^{3} / \mathrm{kg}$.

(a) Constant volume followed by constant pressure.

(b) Constant pressure followed by constant volume.

(c) Polytropic process, $p v^{1.3}=c$.

Calculate the work done by the gas during each process.

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