Critical point- 72.9 Solid Liquid 67 BO 5.11 Triple point Vapour 1 A Temperature, TIK Figure 4A.8 The experimental phase diagram for carbon dioxide; note the break in the vertical scale. As the triple point lies at pressures well above atmospheric, liquid carbon dioxide does not exist under normal conditions; a pressure of at least 5.11 atm must be applied for liquid to be formed. The path ABCD is discussed in Brief illustration 4A.6. Pressure, platm 216.8 298.15 304.2

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Chapter1: Chemical Foundations
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Refer to Fig. 4A.8. Describe the phase or phases present as a sample of CO2 is heated steadily from 100 K: (a) at a constant pressure of 1 atm; (b) at a constant pressure of 70 atm.

Critical
point-
72.9
Solid
Liquid
67
BO
5.11
Triple
point
Vapour
1
A
Temperature, TIK
Figure 4A.8 The experimental phase diagram for carbon dioxide;
note the break in the vertical scale. As the triple point lies at
pressures well above atmospheric, liquid carbon dioxide does not
exist under normal conditions; a pressure of at least 5.11 atm must
be applied for liquid to be formed. The path ABCD is discussed in
Brief illustration 4A.6.
Pressure, platm
216.8
298.15
304.2
Transcribed Image Text:Critical point- 72.9 Solid Liquid 67 BO 5.11 Triple point Vapour 1 A Temperature, TIK Figure 4A.8 The experimental phase diagram for carbon dioxide; note the break in the vertical scale. As the triple point lies at pressures well above atmospheric, liquid carbon dioxide does not exist under normal conditions; a pressure of at least 5.11 atm must be applied for liquid to be formed. The path ABCD is discussed in Brief illustration 4A.6. Pressure, platm 216.8 298.15 304.2
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