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the temperature and pressure where the liquid state no longer exist is called the critical point
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∙ 13y ago
A substance's critical point is the temperature and pressure at which the gas and liquid phases of the substance become indistinguishable, forming a supercritical fluid. At the critical point, the substance exhibits unique properties, such as density and viscosity, that differ from those of its gas or liquid phases.
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What is the critical temperature and pressure of CCl4?
The critical temperature of CCl4 (carbon tetrachloride) is 283.5°C and the critical pressure is 45.6 atm. At the critical point, the distinction between liquid and gas phases of CCl4 disappears, and it behaves as a supercritical fluid.
What is Critical point of phenol-water system?
The critical point of the phenol-water system occurs when the temperature and pressure reach the critical values at which the distinction between liquid and gas phases disappears. At this point, the properties of both phases become indistinguishable, leading to a critical point that represents the maximum temperature and pressure at which the two phases can coexist.
What is the point on a phase diagram at which all phases occur simultaneously is called the end point critical point boiling point melting point?
The point on a phase diagram at which all phases occur simultaneously is called the triple point. This is the point at which all three phases - solid, liquid, and gas - coexist in equilibrium.
What are some examples of physical properties scientist use to tell the differences between substances?
Scientists may use physical properties such as density, melting point, boiling point, and solubility to differentiate between substances. These properties are unique to each substance and can be measured to help identify the composition of a material.
Different substances can be classified by their chemical properties or properties that?
Different substances can be classified by their physical properties, such as color, density, melting point, and boiling point. Chemical properties, on the other hand, refer to the behavior of a substance in reactions with other substances, such as its reactivity, flammability, and toxicity.
What do Vr and Vc represent in the study of thermodynamics?
In the study of thermodynamics, Vr represents the ideal gas molar volume, while Vc represents the critical molar volume. Vr is the volume occupied by one mole of an ideal gas at a given temperature and pressure, while Vc is the molar volume at the critical point where a substance transitions between liquid and vapor phases.
What does the critical point represent?
Critical point is also known as a critical state, occurs under conditions at which no phase boundaries exist. There are multiple types of critical points, including vapor-liquid critical points and liqui-liquid critical points.
How does density vary for a component at its critical point?
For a pure component the density difference between a liquid and gas approaches zero as the critical point is approached. By definition liquid and gaseous phases are indistinguishable (meaning no difference) at the critical point.
What is the critical temperature and pressure of CCl4?
The critical temperature of CCl4 (carbon tetrachloride) is 283.5°C and the critical pressure is 45.6 atm. At the critical point, the distinction between liquid and gas phases of CCl4 disappears, and it behaves as a supercritical fluid.
What can you use a table to find point of most substances?
A table can be used to find the melting point, boiling point, density, and other physical properties of substances. This information is useful for identifying and characterizing different substances.
What is a critical control point when preparing a beef curry?
Which of the following is a critical control point when preparing a beef curry?
What substances the usual reference point for the density of other substances?
specific gravity
What is Critical point of phenol-water system?
The critical point of the phenol-water system occurs when the temperature and pressure reach the critical values at which the distinction between liquid and gas phases disappears. At this point, the properties of both phases become indistinguishable, leading to a critical point that represents the maximum temperature and pressure at which the two phases can coexist.
The rejection and non rejection regions are divided by the?
The rejection and non rejection regions are divided dividing point. critical value. point of no return. rejection value
What is the critical point called?
The critical point is called the point at which a function's derivative is zero or undefined. At this point, the function may have a local maximum, minimum, or an inflection point.
What are critical and super critical boilers?
critical boiler operating steam parameter 221.12bar and 375 centigrate . you can rise in pressure and temperatureabove the critical point. that is called supercritical boiler.
What is the point where the gas and liquid phase become indistinguishable from each other?
This point is called critical point.
