For 50% Tin by weight, at 183.5°C, the weight percentage of a phase is: a) 50 b) 22.5 c) 75 d) 27.2

Refrigeration and Air Conditioning Technology (MindTap Course List)
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ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
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Chapter2: Matter And Energy
Section: Chapter Questions
Problem 21RQ
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The phase diagram below is given for
1 kg of a 50 wt.% Pb- 50 wt.% Sn
alloy at different temperatures.
Temperature (°C)
300
200
100
327°C
(Pb)
a
20
a + L
18.3
40
20
Composition (at% Sn)
60
183°C
a + B
40
Liquid
61.9
60
Composition (wt% Sn)
80
80
B+L
232°C
97.8
100
al
600
500
400
300
200
100
100
(Sn)
Temperature (°F)
Transcribed Image Text:The phase diagram below is given for 1 kg of a 50 wt.% Pb- 50 wt.% Sn alloy at different temperatures. Temperature (°C) 300 200 100 327°C (Pb) a 20 a + L 18.3 40 20 Composition (at% Sn) 60 183°C a + B 40 Liquid 61.9 60 Composition (wt% Sn) 80 80 B+L 232°C 97.8 100 al 600 500 400 300 200 100 100 (Sn) Temperature (°F)
For 50% Tin by weight, at 183.5°C, the
weight percentage of a phase is:
a) 50
b) 22.5
c) 75
d) 27.2
Transcribed Image Text:For 50% Tin by weight, at 183.5°C, the weight percentage of a phase is: a) 50 b) 22.5 c) 75 d) 27.2
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