What is Liquid: Definition and 1000 Discussions

A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. As such, it is one of the four fundamental states of matter (the others being solid, gas, and plasma), and is the only state with a definite volume but no fixed shape. A liquid is made up of tiny vibrating particles of matter, such as atoms, held together by intermolecular bonds. Like a gas, a liquid is able to flow and take the shape of a container. Most liquids resist compression, although others can be compressed. Unlike a gas, a liquid does not disperse to fill every space of a container, and maintains a fairly constant density. A distinctive property of the liquid state is surface tension, leading to wetting phenomena. Water is, by far, the most common liquid on Earth.
The density of a liquid is usually close to that of a solid, and much higher than in a gas. Therefore, liquid and solid are both termed condensed matter. On the other hand, as liquids and gases share the ability to flow, they are both called fluids. Although liquid water is abundant on Earth, this state of matter is actually the least common in the known universe, because liquids require a relatively narrow temperature/pressure range to exist. Most known matter in the universe is in gaseous form (with traces of detectable solid matter) as interstellar clouds or in plasma from within stars.

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  1. Deepak dabby

    How can I cool down and heat up any liquid with the same element.

    Hlo
  2. N

    Aqueous Solution vs Liquid Solution

    What is the difference between aqueous solution and liquid solution? Note:I am a high school student and English is my second language. Thanks in advance!
  3. P

    Why does liquid argon stop boiling after a while in dewar?

    When we fill a dewar or any other container with liquid argon (or liquid nitrogen), if I am correct, it sizzles because it is boiling. However, after we leave it inside for a few minutes, it stops. Does this happen because when you first pour it inside, the environment is of the liquid is much...
  4. EEristavi

    I Liquid boiling and Evaporation

    In the normal conditions (sea level) water evaporates at 100 C. In thermodynamics, we say: the amount of energy Q, can raise temperature of the liquid by the formula Q1=cm(t2-t1); when the liquid reaches the boiling point (100 C), we write Q2=Lm. Q2 is entirely spent on changing liquid state...
  5. Aswin Sasikumar 1729

    The generation of sound when water drops fall on a liquid surface

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  6. mfb

    I Update on liquid water on Mars - maybe it is sand?

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  7. Leo_lee

    Calculate the volume of 1.00 mol of liquid water

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  8. J

    MHB Ratio problem: The ratio of Liquid X to Liquid Y in a mixture is 3 to 7

    The ratio of Liquid X to Liquid Y in a mixture is 3 to 7. If the amount of Liquid Y in a mixture is 161, then the amount of Liquid x in the mixture is equal to?
  9. Z

    B Absorption bands of liquid and vapor water

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  10. Paul Colby

    B Is nuclear matter a solid or liquid?

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  11. Y

    What is the Identity of the Unknown Liquid Used in a Dumas Bulb Experiment?

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  12. D

    Is the mass of Liquid N2 and its rate of mass loss related?

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  13. G

    Calculating Liquid Pressure: Water and Mercury

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  14. S

    Why Are My Liquid Analyzing Device Results Inconsistent at Low Concentrations?

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  15. V

    I I , been a while -- density of a liquid, the density of a solid, and a height....

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  16. S

    Liquid temperature under pressure

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  17. S

    How liquid are bitcoins and other crypto-currencies?

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  18. S

    Can liquid conductors be used to improve the efficiency of electric motors?

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  19. N

    Installing Chemical Storage Tank: Pressure of Liquid or Gas?

    Hello Forum, I'm looking to install a new chemical storage tank at my site. The tank itself is not rated for vacuum. We will have proper ventilation and nitrogen pumping into the tank to compensate when we are pumping out of the bottom. However, I do want to include a pressure transmitter on...
  20. N

    What liquid takes the longest to melt after being frozen?

    Hi everyone, Please help, i need to find liquid or maybe something else witch can freeze in freezer overnight, or even longer, most important thing that this liquid would unfreeze as long as possible. Or H2O the way to go? Thank you!
  21. T

    Composition of Freezing Point Crystals in a Glacial Acetic Acid Solution

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  22. E

    B Liquid Flow Calculation out of a pressurized tank

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  23. V

    Why does paramagnetic liquid rise in a magnetic field?

    When a magnetic field is applied across the left part of the tube , it's level rises as shown . I would be grateful if someone could help me understand why this happens . Thanks .
  24. H

    Integral constant for internal energy of an ionic liquid

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  25. H

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  26. G

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  27. Alexander350

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  28. E

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  29. BillTre

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  30. H

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  31. Pushoam

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  32. U

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  33. Strawberry1711

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  34. W

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  35. N

    What is the true definition of an ionic liquid?

    Hi. I have a question about the term, "Ionic liquid" When I researched the papers, I found the word "Ionic liquid" in many papers. First, I thought the ionic liquid just means the solution that solvent is ionized. But as I read other papers, I found that people don't mean ionized solution as...
  36. PHstud

    Liquid to gas expansion temperature change in a tank

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  37. B

    Calculating viscosity of a liquid with a falling object

    Homework Statement [/B] A small steel-bearing falls 25.0 cm in glycerol in 23.8 s and the same distance in castor oil in 15.1 s. The densities are for glycerol 1260 kg m−3 , for castor oil 961 kg m−3 , and for steel 7830 kg m−3 . The viscosity for glycerol is 1.490 Pa s. Calculate the viscosity...
  38. P

    Friction between cart and a surface covered with a liquid?

    << Thread moved from the technical forums so no Homework Help Template is shown >> Hello, I'm attempting an experiment where I take a cart and slide it down a ramp. Each time, I will coat the ramp with a different liquid. I want to compare the effects of the dry ramp, a ramp with water poured...
  39. _maxim_

    A Best coil design for homogeneus NMR RF pulse on liquid discs

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  40. GAURAV DADWAL

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  41. K

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    I have a container that measures 1 cubic foot and is full of water. I have another empty container that is 4.5 feet higher than the empty container. The full container has a fluid outlet on the bottom, and an air inlet on the top. A hose (1 inch diameter, 4.5 feet long) connects the fluid outlet...
  42. J

    I Relationship between the radius and area of liquid in a cylinder

    Hello, I did a calculation to determine whether a liquid with a fixed volume ##V##, would be spread over a larger surface area ##A## on the inside mantle of a cylinder, if the cylinder has a larger radius ##r##. So I’d like to find a relationship between the radius ##r## and the area ##A## over...
  43. P

    Two layers of non-mixing liquid and electrodes

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  44. R

    Liquid which turns into a ball?

    Is there any liquid based on viscosity and density that changes into ball. Obviously here, the liquid cannot be water. Other thing can be that some chemical is applied in hand( This doesn't make sense I think).
  45. K

    Thermal expansion of liquid into gas void

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  46. alan

    Temperature and volume fraction of a liquid mixture

    I have known the interaction parameter of a certain liquid mixture which has the phase behaviour can be described by the lattice model. , is it possible for us to know the temperature at the critical point? Besides, if we know the temperature at the critical point, can the volume fraction of...
  47. M

    I Dissolved gas concentration in undersaturated liquid column

    Hi, In an enclosed system - of say Methane & water - in which the water column is sufficiently large to have significant pressure and some modest temperature difference due to gravity and geothermal effects, how would one calculate / predict the changing methane concentration (or partial...
  48. J

    I How to protect liquid filled pods from leaking on a plane

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  49. Borek

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  50. R

    Question about liquid flow into a vessel, is it going in?

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