Matse 2599 Hew 7

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Oct 30, 2023

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Mate 2599 Hew 7 - - ① a) single phase of 9-brasso b) two phase of G-phasestial Liquid B(lead) · a) single phase of B-brass . d) Single phase of ↓ -phase) lead) B-phase (magnesiv) e) single phase solution of brass . 2) to-phase of solid-phase /lead) and liquid Ephase . 9) single phase solad solution . h) single phase solid solution o
② a) the temp at which the first liquid phase forms is eutectic tempeartore around 12702 . b) It is eutectic composition , which is 30 wh Ni-toct(U . 2) Melting of allows occurs at the lequid temperature . It is the highest temp at which the allocys transforms around 1350°) d) The composition is the same as eutectic composition , around 30'lt % Netoutt (va ③ Co= SS CB = 90 Wa = W = GS using oles S=ig- C = 20 d - -
⑭ (B = 9708 17 % D Ceutectic = 6109 t4osn , =create ene 00S7= De e 0 . St (97 . 8-6109) -- Co-61 : 9 ( = 82s410t4SD -- -
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⑤ Gibb's phase rule , P+F = <+2 P = No . of phase F = degrees of freedom 2 = no o of comp , At Al +F = 2 +2 IF = 112 F = 2 - A s 2 + F = 182 F = 1a At C B+F = 1 + 2 F= D -
⑥ AHg=-1 . 85x1095m3 5 = 0 . 20J/m2 At = 262k Tr = 1538°) = 1815 . 15K . r = - (t E(xalas. (2tzk) · => 108S X 109 TES2SXO-mm -- AG-248 x 25 e AG = 1098x1085 - --
b) a = 0 - 292 nm O = Zar I o = Los - Site i N = 0x2 N = 590084 , 2 = 1 ⑦ n=17 =100S reaction= 50 % 14 = extr - kx10007 I-ors= e 1 = 2 - SSXO4 - --
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for 99 %, -KAR 1-y = e - 207sasx0"x flot 1-0099= 2 - 20759Sxoy ood : e In (0001) =-207595x10 t= Bolsec ⑧ a) At t = 1301 min , '7=0020 b) At F 2901 min , f= 00to E total time = 2208 mins , 6 = 1 - expl- 2 x E 0070=1-exp(-x29Y In (0036) =- kx29 . 1 In (0 - 30) =- Kx29 . 1
n = In[0030) - - kx2401 6-20=1-exp(-12x13a) In (0046)=- xBol In (0080 = - kx1301x In (0030) - - kx290 k = - B - In(0036) =-Doi - - 2901(n20080) -

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