Quiz Question 2 S.J.T.U. Phase Transformation and Applications 2)1mol理想气体等压膨胀到状态2,求Q,W,△U,△H。若将理想 气体先等容加热到状态3,然后再等温(可逆)膨胀到状态2, 求Q,W,△U,△H,并与直接从1到2的途径相比较。 P↑3(V1,T2) 1(V,T) 2(V2,T2) SJTU Thermodynamics of Materials Spring2007©X.J.Jin Lecture 8 Chemical equilibriumPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2007 © X. J. Jin Lecture 8 Chemical equilibrium Quiz Question 2 2) 1mol 理想气体等压膨胀到状态2,求Q,W,ΔU,ΔH。若将理想 气体先等容加热到状态3,然后再等温(可逆)膨胀到状态2, 求Q,W,ΔU,ΔH,并与直接从1到2的途径相比较。 2 (V2,T2 1 (V ) 1,T1) 3 (V1,T2 P ) V