How can I draw a diagram of a molecular substance dissolving in water?
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IF substance contains both hydrophobic and hydrophilic parts:\n  Make the part that is soluble in polar solvents i.e the part having polarity in water and rest in some nonpolar solvent.\n\nIFsubstance is purely ionic represent it as ions in water.
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if we assume that the following reaction occured\n\nA(l)----->A(g)\n\n[that means no A is not a polymer in liquid phase, the only thing occured  is the evaporation],\n\ntry plot ln(P) against 1/T, most likely you will have a straight line and the slope is - delta H/R, please notice the sign.
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http://www-ec.njit.edu/~skawinsk/chem243/chap11/chap11.htm\nthis may help–near the bottom
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As this is clearly homework I will only do one as an example.\n\nNa+(aq) S=59.0\nCl-(aq) S=56.5\nNaCl(s) S=72.13\n\nSo S for dissolving solid NaCl = 56.5+72.13-59.0=69.63 J K-1 mol-1\n\nDissolving is mainly entropy driven - the process is actually slightly endothermic.
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There's quite a few. Just google solubility chart. Here's one I found.
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go to\nwww.chemistry.com
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NaOH (Base) + HNO3 (Acid) -> NaNO3 (Salt) + H2O (Water)\n   H  H H\n   |  | |\nH-C-C-C-H\n   | | |\n   H H H\n\nReplace the last H by an -O-H\n\nDraw the carbon skeleton first.
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If you have the letter names, use the Periodic Table of Elements.  If not, use PH paper, and that might help.  Go by color, soluability, and texture.
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First off... dihydrogen monoxide is ....WATER!!!!!!!!!\n\nThe smaller the salt crystals you are trying to dissolve, the more rapidly they will dissolve... due to increased surface area.
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http://cwx.prenhall.com/bookbind/pubbooks/hillchem3/medialib/media_portfolio/text_images/CH08/FG08_17.JPG
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diagram it out\n\nFOIL  First  Outer Inner Last
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You should consult a chemistry textbook, if possible, or if not, look online for an answer; I'm sure there is information or a guide describing how to do it better than I can in a few short sentences. That said, the basic way to draw a molecule (often abbreviated mlcl) is to use each element's symbol(ie sodium=Na, carbon=C, etc) to denote an atom, and to draw a single, solid line for each bond between elements. This line/bond represents 2 electrons, aka one orbital. Most elements like to have 8 electrons in their valence (outermost) shells in order to be stable, but this doesn't always happen; there are many exceptions, hence my suggestion to look at a textbook or online text/guide.\n\nIt gets more complicated when you're dealing with things like organic chemistry or complexes or chelating agents where sharing of bonds/electrons is pretty common and there are more types of bonds. For a simple example, if you had a 6-carbon atom ring, each carbon has 6 electrons in its valence; it wants 8, so what happens, does it get frustrated with its misfortune and self destruct, destroy our little universe? Of course not... there are a total of (6)(6)=36 electrons, and we need (6)(8)=48. How is this possible? Clearly, 36 is not equal to 48. We can't create more. So what happens? As it turns out, carbon, along with most other elements, passed kindergarten with flying colors- they SHARE them, and since it's a symmetrical hexagon shape of identical atoms, they are shared equally. There are all kinds of crazy combos in which the electrons are shared unequally between atoms because of something called electronegativity, but our rules for drawing those lopsided things aren't very different. However, that's for another 'lesson;' don't worry about it for now.\n\nSo, in order to make the carbon happy, we have to share 12, or 6 pairs, of electrons. ([48 needed]-[36 that we have] = 12) \nSince this carbon ring has multiple resonance structures (atom config the same but electron pairs on different atoms), we draw six carbons in a hexagon, with one solid line bond between each, and a dotted circle in the middle- this accounts for all of its resonance structures and provides us with more info, in addition to only needing one drawing to display that info, than using single bond lines only.\n\nSo in conclusion, I've said way more than I really had to... from the level of generality of your question I assume that you don't know too much about chemistry; if you are confused with what I said, then do as I said- look up the info online or get a book. It's not too easy to understand right away but with some patience you should be able to figure it out just fine; good luck.
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well, it's hard to draw here. but when i want to find a chem structure, i look at http://www.chemfinder.com you can type naproxen sodium into the search box, and it draws out the structural formula and gives you the properties of the molecule. VERY COOL!
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http://i24.photobucket.com/albums/c16/ScurvyBC/img007.jpg\n\nI drew it for you and uploaded it.\nWe did this activity in AP Chem where we had to build the models and draw them, and the teacher graded it and this is right. Oh but I forgot to draw the brackets around it with the negative charge symbol, so dont forget that!
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Perhaps the illustrated link and description will help you.  Good luck with your project.
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It can be made by dehydration of acrylamide\nCH2=CH-C(O)NH2 --> CH2=CH-CN + H2O\nP2O5 is a good reagent for that.
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http://www.edu.pe.ca/montaguehigh/grass/chem/notes/ptable.html\nhit print screen.