將下列純物質(zhì)經(jīng)歷的過程表示在P-V,lnP-H,T-S圖上 (a)過熱蒸汽等溫冷凝為過冷液體; (b)過冷液體等壓加熱成過熱蒸汽; (c)飽和蒸汽可逆絕熱膨脹; (d)飽和液體恒容加熱; (e)在臨界點(diǎn)進(jìn)行的恒溫膨脹.