阿摩線上測驗
二 、4. Calculate q, w, △U, and △H for the process in which 2.5 mole of water undergoes the
transition H2O (l, 373K) → H2O (g, 573K) at 1 bar of pressure. The Volume of liquid water at
373K is 
and the molar volume of steam at 373 and 573K is 4.33 and
, respectively. For steam, Cp,m can be considered constant over the
temperature interval of interest at 
transition H2O (l, 373K) → H2O (g, 573K) at 1 bar of pressure. The Volume of liquid water at
373K is
and the molar volume of steam at 373 and 573K is 4.33 and, respectively. For steam, Cp,m can be considered constant over thetemperature interval of interest at