A book about liquid mechanics, says that water is considered incompressible , because the amount by which it compresses is too tiny to bother with. Find your group chat here >>. EDIT: Just a quick fun fact, water is most dense at 4 degrees C. This is the temp at which 1 gram of water will take up exactly 1 mL of volume. If you add pressurized air, you can actually see the air bubbles going into this bottle. One bottle is entirely full of water – you can't blow air into this bottle. Compared to a gas, it seems like it. It is the principle behind using pressure cookers in the old days. Can light change frequency during its travel through space. When water turns to ice it arranges into a shape like any other substance when it becomes solid. Water is pretty fascinating stuff, when you compare it to other substances. For example, water is often modeled as being incompressible, too. Press question mark to learn the rest of the keyboard shortcuts, http://en.wikipedia.org/wiki/Critical_point_(thermodynamics). But what makes water different is that it is harder to compress than most liquids. The other bottle has an … In fact steam is not even water as a gas but as a vapour. Actually, water is just really, really difficult to compress. Now, why, or "in what kind of way", is water only almost incompressible - is it caused by impurities like gases and other fluids in the water? Can I turn Cs/Ds to A* in 7 months in A Levels? ANSWER 2 Elwood ANSWERS: 5. xprofessor. removes tool for defrauded students, CDC to shorten quarantine for those exposed to virus, Chappelle's Netflix show removed at his request, History hasn't been kind to fighters on comeback trail, Obama crushed by Colbert in 'waste basket-ball'. most liquids can be treated as incompressible for most applications. This is actually because of the shape of the molecule and how the crystal lattice fits together. Get your answers by asking now. Powered by Discourse, best viewed with JavaScript enabled. Catch our Q&A with Surrey Uni on Thursday, © Copyright The Student Room 2017 all rights reserved. ), Lloyds Banking group graduate scheme 2021, Join Uni of Surrey for a live Q and A on personal statements, 5pm on Thursday! Your question can be rephrased as "why is the equilibrium volumetric strain zero in rubber-like materials at small strains?" At any other temperature it's "bigger. I dont know if i should take a lvel maths, AQA a level chemistry paper 1 october 6th 2020 Unofficial mark scheme, Evaluation of learning strengths and weaknesses in relation to a learning theory, No, I think predicted grades should still be used to make offers, Yes, I like the idea of applying to uni after I received my grades (PQA), Yes, I like the idea of receiving offers only after I receive my grades (PQO), I think there is a better option than the ones suggested (let us know in the thread! Do they have any interesting properties or behave in unusual ways? Compressibility decreases as you go from gas to liquid to solid as the molecules get closer together. Incompressibility is a common property of liquids, but water is especially incompressible. If you look at this diagram you can see the different phases, If you study things like this at uni you find that after a certain temperature it is impossible to compress a vapour back into a liquid, If you want to learn more then check the [Critical point(thermodynamics)](http://en.wikipedia.org/wiki/Critical_point_(thermodynamics) Wikipedia page. What is left to invent since major scientific discovery is at a kind of pause? Here is a physics question I've been stuck on? "Do you have to apply an ridiculously amount of pressure to compress it, or will it turn into ice before that happens?". It is related to exhibits in the Eureka! See in the phase diagram where there are lines between blue areas? (Contact is technically incorrect, but it's close enough for this discussion.). Water is a particularly incompressible case because it is a liquid with strong intermolecular interactions with rather high density and a structure something like this. By the time I reached the truck I pretty sure it was mostly water in the line above the leak, but topping it up kept the air out mostly. This is a recommended pre-visit activity for a field trip to Science World . Water compresses more easily than, say, hydraulic brake fluid. Some liquids will undergo may undergo partial thermodynamic state changes due to dynamic environments (e.g. The mtb bike brakes had to be replaced anyways, but gorilla tape and a few water top ups got me out downhill.

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