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Triple point. A typical phase diagram. The solid green line applies to most substances; the dashed green line gives the anomalous behavior of water. In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium. [1]
Below the triple point, the substance can exist only as a solid or a gas, depending on the temperature and pressure. Above the triple point, the substance can exist only as a liquid or a gas. For example, the triple point of water is at a temperature of 0.01 degrees Celsius and a pressure of 611.657 pascals.
18 lis 2019 · In chemistry and physics, the triple point is the temperature and pressure at which solid, liquid, and vapor phases of a particular substance coexist in equilibrium. It is a specific case of thermodynamic phase equilibrium.
Definition. The triple point of a substance is the specific temperature and pressure at which three phases (gas, liquid, and solid) coexist in thermodynamic equilibrium. This unique point is crucial in understanding phase equilibria and phase diagrams, as it provides a reference for the behavior of materials under varying conditions.
11 wrz 2022 · The triple point is the temperature and pressure at which three states of matter exist in equilibrium. The critical point is also a combination of temperature and pressure, but it is the end point of a phase equilibrium curve where a liquid and its vapor can coexist.
The triple point is a unique condition where three phases of a substance coexist in equilibrium at a specific temperature and pressure. It represents a critical state in phase diagrams, as it provides essential information about the transitions between solid, liquid, and gas phases of a material.
Definition. The triple point is the unique set of conditions at which all three phases (solid, liquid, and gas) of a substance coexist in thermodynamic equilibrium. It is specific to each substance and occurs at a precise temperature and pressure.
