
Concept explainers
(a)
Interpretation:
The phase change in iodine sample when temperature is held at
Concept introduction:
Phase diagram is a graph that represents the solid phase, liquid phase, and gaseous phase of one substance or mixture of substance under different states of temperature and pressure.
The temperature and pressure on a phase diagram at which gas, liquid, and solid phases coexist is called triple point. The temperature and pressure in the phase diagram at which substance is lies between liquid-gas phases is called critical point. The temperature and pressure at which liquid or gas is neither a true liquid nor a true gas is called supercritical point.
Conversion of liquid into gas is called vaporization. Conversion of solid into liquid or vice-versa is called melting or fusion. Conversion of solid into gas is called sublimation.
(b)
Interpretation:
The phase change in iodine sample when the temperature is reduced from
Concept introduction:
Phase diagram is a graph that represents the solid phase, liquid phase, and gaseous phase of one substance or mixture of substance under different states of temperature and pressure.
The temperature and pressure on a phase diagram at which gas, liquid, and solid phases coexist is called triple point. The temperature and pressure in the phase diagram at which substance is lies between liquid-gas phases is called critical point. The temperature and pressure at which liquid or gas is neither a true liquid nor a true gas is called supercritical point.
Conversion of liquid into gas is called vaporization. Conversion of solid into liquid or vice-versa is called melting or fusion. Conversion of solid into gas is called sublimation.

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Chapter 11 Solutions
CHEMISTRY-TEXT
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