a) If a liquid with x(Ge)=0.4 is cooled, at what temperature does the first solid appear? b) What is the composition of this first solid? c) Describe the phases present at the eutectic temperature when a 50/50 mix of Al and Ge at room temperature is heated. Be specific.

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a) If a liquid with x(Ge)=0.4 is cooled, at what temperature does the first solid appear?


b) What is the composition of this first solid?


c) Describe the phases present at the eutectic temperature when a 50/50 mix of Al and Ge
at room temperature is heated. Be specific.

1300
1200-
1100-
1000 –
Liquid
900
800 –
700-
600-
Fcc
Diamond
500 –
400-
300-
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
P Al
x(Ge)
Ge
--
Transcribed Image Text:1300 1200- 1100- 1000 – Liquid 900 800 – 700- 600- Fcc Diamond 500 – 400- 300- 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 P Al x(Ge) Ge --
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(a) If the liquid is with x(Ge)=0.4 is cooled,

Chemistry homework question answer, step 1, image 1

The first solid will appear at 800K.

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