ask(2)

( P_{2}, T_{2}, V_{2} ), ( n=1 ) ( n eq 1 ) ( (W) ) ; (2) ( mathrm{T}=30^{circ} mathrm{C}, 1 mathrm{bar} ) , ( mathrm{u}left(30^{circ} mathrm{C}, 1 mathrm{bar} ight) ) ( mathrm{u}= ) ?, : ( mathrm{u}_{mathrm{f}}left(30^{circ} mathrm{C} ight)=125.78 mathrm{~kJ} / mathrm{kg}, mathrm{u}_{mathrm{f}}(1 mathrm{bar})=417.36 mathrm{~kJ} / mathrm{kg} )

P2,T2,V2, n=1 n=1 (W) (2) T=30C,1bar , u(30C,1bar) u= ?, : uf(30C)=125.78kJ/kg,uf(1bar)=417.36kJ/kg