Physical Chemistry
Solutions
Physical Chemistry
The phase diagram for elemental sulfur is shown in Figure 6.18.
Figure 6.18 Phase diagram for elemental sulfur.
(a) How many allotropes are shown? (b) What is the stable allotrope of sulfur under normal conditions of temperature and pressure? (c) Describe the changes to sulfur as its temperature is increased from
(a)
Interpretation:
The number of allotropes of sulfur shown in the given phase diagram is to be stated.
Concept introduction:
Phase diagram represents the different physical states of a substance at different values of temperature and pressure. The lines or the curves in a phase diagram represent the phase transitions.
The phase diagram of elemental sulfur,
(b)
Interpretation:
The stable allotrope of sulfur at normal conditions of temperature and pressure is to be stated.
Concept introduction:
Phase diagram represents the different physical states of a substance at different values of temperature and pressure. The lines or the curves in a phase diagram represent the phase transitions.
(c)
Interpretation:
The changes in sulfur as its temperature is increased from
Concept introduction:
Phase diagram represents the different physical states of a substance at different values of temperature and pressure. The lines or the curves in a phase diagram represent the phase transitions.
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