A thermally insulated (adiabatic) constant-volume bomb has been very carefully prepared so that half its volume is filled with water vapor and half with subcooled liquid water, both at −10°C and 0.2876 kPa (the saturation pressure of the subcooled liquid). Find the temperature, pressure, and fraction of water in each phase after equilibrium has been established 

in the bomb. What is the entropy change for the process? 

For simplicity, neglect the heat capacity of the bomb, assume the vapor phase is ideal, and for the limited temperature range of interest here, assume that each of the quantities below is independent of temperature.

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Substance Ag(s) Ag(1) BeO(s) Ge(s) Mg(s) Mg(1) NaCl(s) Si(s) a -14 710 - 14 260 -34 230 -20 150 -7 780 -7 750 -12 440 -18 000 b -0.328 -0.458 -0.869 -0.395 -0.371 -0.612 -0.391 -0.444 cx 10³ -0.46 d 11.66 12.23 18.50 13.28 11.41 12.79 14.31 12.83 Temperature Range (K) 298-298 1234-1234 298-298 298-298 298-298 924-924 298-298 1200-1200