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Melting
Melting
Freezing
18. Given the phase diagram below, what would be the phase of ammonia if it has a temperature
of 0°C at 20 bars.
Ammonia Phase Diagram
a. Gas
b. Liquid
C. Plasma
d. Solid
160
140
120
Pressure
100
(bars)
8642
80
60
-77 65°C
Compressible
liquid
+132.25°C
Supercritical phase
Critical point
113.39 bars
40
solid phase
Liquid phase
Gaseous phase
20
Triple point
0.0609 bars
0
-100 -50
0
100
150
200
250
Temperature (°C)


Sagot :