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Triple point can be defined as:

  1. A
    the condition of temperature under which the gaseous and liquid phases of a substance can exist in equilibrium
  2. B
    the temperature at which solid is converted into liquid
  3. C
    the condition of pressure under which the solid and liquid phases of a substance can exist in equilibrium
  4. D
    the condition of temperature and pressure under which the gaseous, liquid and solid phases of a substance can exist in equilibrium

Solution & Step-by-step Explanation

The triple point of a substance is the unique condition of temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium.

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Triple point can be defined as:
A
the condition of temperature under which the gaseous and liquid phases of a substance can exist in equilibrium
B
the temperature at which solid is converted into liquid
C
the condition of pressure under which the solid and liquid phases of a substance can exist in equilibrium
D
the condition of temperature and pressure under which the gaseous, liquid and solid phases of a substance can exist in equilibrium

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ThermodynamicsStates of MatterPhase Equilibrium

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