Question

What is critical point in pure substance?

Answer 1

ANSWER
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1.THE TEMPERATURE AT WHICH THE PRESSURES AT THAT

2. THE LIQUID HAS OF THE PURE SUBSTANCE BECAME THE UNSTABLE

Answer 2

Critical Point In Pure Substance

• The critical point in pure substance is the highest temperature and pressure at which a pure substance can prevail in vapour or liquid equilibrium.
• At temperatures that are higher than the critical temperature, the substance can not prevail as a liquid, where it does not matter about the pressure.
• At temperatures and pressures that are higher than the critical point then the substance has deemed a fluid or something that is neither gas nor liquid.
• At pressures that are lower than the critical pressure but at higher temperatures then the substance has been deemed a gas.
• The curves of the three-phase equilibrium will meet at the triple point. At the triple point, all three phases which are solid, liquid, and gas are in an equilibrium state.

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