5.) A kilogram of wet steam is taken as a sample for study. It has a pressure of 0.805 MPa and an enthalpy of 2287 kJ/kg. What is the moisture percentage of the steam? • 23.56% • 76.50% • 55.41% • 89.49% Internal Energy Sat, Liguid Enthalpy Net. Entropy Set. Liquid Specific Volume Sat Sal. Vaper Nat. Vat Sat. Vapor Sal. Te Liguid Liqund Eap. Evap Prest MP Vaper Evap. 10, 10, h/ h, 2.0200 4.6647 6.6847 LI121 2524 711.00 1864 2 2575.2 711.85 2055.2 2767.0 2.0253 4.6549 6.6802 249.3 713.34 1862.2 2575.6 714.20 2053.4 27675 2.0306 4.6451 6.6758 246.3 715.66 1860.3 2576.0 716.52 20516 2768.1 2.0359 4.6355 6.6714 2.0411 4.6260 6.6670 167.78 1.1I15 255.6 708.64 1866.1 2574.7 709.47 2057.0 2766 4 .75 .76 168.32 77 168.86 LI128 78 169 39 1.1135 .79 169.91 1J142 243.3 717.95 1858.S 2576.4 718.83 2049.8 2768.6 720.22 1856.6 2576.8 721.11 2048.0 2769.1 722.47 1854.7 2577.2 723.38 2046.3 2769.7 2.0513 4.6073 6.6585 724.70 1852.9 2577.6 726.91 1851.I 2578.0 727.83 2042.8 2770.7 2.0612 4.5890 6.6s02 729.10 1849.2 25783 2.0462 4.6166 6.6628 80 .81 82 .83 .84 170.43 1.1148 170.95 1.1155 171.46 1.1161 171.97 1.1168 172.47 1.1174 240.4 237.6 234.9 232.2 229.5 725.62 2044.5 2770.2 20563 4.5981 6.6544 730.04 2041.I 2771.2 2.0662 4.5800 6.6462 172.96 1.1181 173.46 1.1187 85 86 87 88 89 227.0 224.5 222.0 219.6 217.3 731.27 1847.4 2578.7 733.42 1845.7 2579.1 735.55 1843.9 2579.4 737.66 1842.1 2579.8 739.75 1840.4 2580.1 732.22 2039.4 2771.6 734.38 2037.7 2772.1 736.52 2036.I 2772.6 738.64 2034.4 2773.0 740.75 2032.8 2773.5 2.0710 4.5711 6.6421 2.0758 4.5623 6.6381 2.0806 4.5536 6.6342 2.0853 4.5450 6.6303 2.0900 4,5364 6,6264 173.94 1.1193 174.43 174.90 1,1200 1.1206

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Chemical and Phase Equilibrium

Phase diagrams or equilibrium phase diagrams are the graphical representations that show the phase transformations of the constituting elements with respect to the pressure, temperature, and compositions. The diagrams show the conditions that limit the different phases, namely solid, liquid, and gas. The diagram can also be utilized to verify the relations between the state variables. Most of the phase diagrams are temperature-pressure phase diagrams, with the variable parameter as the composition. Usually other variables such as solubility and pressure parameters are not indicated in the phase diagram. For a one-component system (unary phase diagram), the phase diagram is generally a function of temperature and pressure as the state variables, or temperature and volume. However, for a binary system (two-phase) having two components, the phase diagram is a function of temperature and composition as the state variables only. Coexisting of the different phases of the constituting elements is indicated in the phase diagram. A ternary phase diagram can be characterized by consisting of three phases in equilibrium.