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Solution_F12_EMS_160_HW8

Solution_F12_EMS_160_HW8 - r—f mains complete solid and...

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Unformatted text preview: r—f mains complete solid and liquid solutions. The melting = 50200 J. At 1200°C 10.6 The binary system Ge-Si co = 1685 K and TAG: = 1210 K, and AHSLSi = 0.32 and X51 = 0.665. temperatures are Tmsi the liquidus and solidus compositions are, respectively, X 5i Calculate the value of A1115: assuming 1. that the liquid solutions are ideal 2. that the solid soludons are ideal Which assumption gives the better estimate? The actual value of Alias: at The,e is 36900]. I M x4735 A607,}? =' NW (1%3) .— {3/1 .7 a £1;me , 5m” : a 1/17 FT fif/fit/ffi [Vie/mu”) : 11.33; .— /-<5>7["/'57f 7) I ‘6’ [ film”? -— 45‘ -fl.$/;7 I (4/4; 1/473) ff fem Jig/5,0 - "' 7/77 .7' “M Wig/6': =,__‘__7.’f.7__— : 33m?“ (ma—#7,? 12/0 I -454.“ X6? (Vi/I'd!!!) : 5,5! : fl - MKdai/izv [944‘ _______________.___—..—_—————- -A a; 5; . 14" I - Ac -¢$/f7 ’ {I’3/f4x/473 ) /{ J MW 41.6324: .- — 46777 70 77$! flfiha/t flflm fl-z fl/I'a’uf [ii/id .7) /r dam/79% MM rm 5,: jam; 7" 10.7 Cat) and MgO form a simple eutectic system with limited ranges of solid solubility. The eutectic temperature is 2370°C. Assuming that the solutes in the two solid solutions obey Henry’s law with 7%“) in MgO = 12.88 and 73480 in CaO = 6.23 at 2300°C, calculate the solubility of €210 in MgO and the solubility of MgO in CaO at 2300°C. i dwflkfdxz): dWflLA/dxl) I" X; : {-iifl—X’z) (1") “flit? (“NM/‘7): 44,19; [/ZflfifX1) M] x, : )9 (ii; I few/'1)» If [/3 04-1 [/71 f/rt/ l 72 ...
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