Question: Calculate w, q, H, and U for the process in which 1.75 mol of water undergoes the transition H 2 O(l, 373 K) H
Calculate w, q, ΔH, and ΔU for the process in which 1.75 mol of water undergoes the transition H2O(l, 373 K) → H2O(g, 610.K) at 1 bar of pressure. The volume of liquid water at 373 K is 1.89 × 10−5 m3 mol−1 and the molar volume of steam at 373 and 610.K is 3.03 and 5.06 × 10−2 m3 mol−1, respectively. For steam, CP,m can be considered constant over the temperature interval of interest at 33.58 J mol−1 K−1.
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