System & Surroundings

일반관계식 문제 - Mayer 관계식 이용(Cengel 9th ed. 12-21 solution)

[문제] https://kin.naver.com/qna/detail.naver?d1id=11&dirId=1114&docId=434996363 Cengel 9th ed. 12-21 Problem [풀이] \[ k=\frac{c_p}{c_v}\] \[ \frac{k}{k-1}=\frac{\frac{c_p}{c_v}}{\frac{c_p}{c_v}-1}=\frac{c_p}{c_p-c_v} \] \[s=s\left(T, P\right) \] \[ds=\left( \frac{\partial s}{\partial T} \right)_{P}dT + \left( \frac{\partial s}{\partial P} \right)_{T}dP \] \[=\frac{1}{T}\left( \frac{\partial h - v\..