This is a  question  i have  in my review  section n I dont c it n the chapter at all. Many people may not kno It b bit if anybody does I wish to have like 5-10  examples of diffusion if that would be okay. I know if the question is easy n everyone can answer it than I have a problem b ut thanks Whoever can Cause I am very stuck n I need help.:)
125866
Examples of diffusion (the moving of particles, usually atoms or molecules, from a concentrated area to a less concentrated area) can be found just about everywhere.\nExamples-\n1: The mixing of food coloring into water\n2: The process of sugar, salt, etc. dissolving into any liquid\n3: The scent of perfume/colonge spreading throughout a closed room\n4: (similar to 3) The spreading of smoke in a room\n5: (an indirect example) The moving of water up a paper towel (known as osmosis)\n\nOther examples are everywhere.
551990
ok--i'm not completely sure about this--but i can at least try-- *cough cough*unlike some people*cough*cough*catweazle*\n\nwe did this type of stuff last year.  but i think that you might want to use the ideal gas law?? we always called it pervnert... PV=nRT... does this sound familiar?    \n\nif not, i suggest asking your teacher, or some other knowledgable chemistry person.\n\ni hope this helps!
490376
Diffusion is inversely proportional to molecular weight.\nHigh MW = low diffusion rate\nLow MW = high diffusion rate\n\nSo calculate their MW and see which one is heavier.
414087
try asking this in the chemistry section next time....
528343
Diffusion rate is generally directly proportional to the concentration gradient; in simple terms, to the difference in concentration across a membrane. This means the rate tends to decrease in a closed system where the concentrations are tending toward equality. You could get an average rate using your method, but the answer would depend on when your samples werre taken. There is a "rate constant" associated with diffusion. I couldn't find a definition on the web, but if it's similar to other rate constants it's expressed as the time it takes for the concentration gradient (or the diffusion rate) to decrease by a factor of 1/e, e being the base of natural logarithms, and 1/e roughly equal to 0.3679. Thus a shorter time constant means a faster rate constant. So you might consider determining the the time constant by finding two points where the concentrations are in that ratio and reporting the time between them.
271664
Here is a great article with sample problems.\n\nHope this helps!
22824
OK. You've posted this (and several other) questions(with exactly the same words and numbers) for the fourth day in a row, and everytime you've asked, one person has responded and we've all got different answers. \n\nI can't tell if you're a student that's gonna keep posting until several people give you the same answer, of if you're just someone that likes making the nerdy people solve chem problems. If you're the latter, you should really find a better use for your time. \n\nIf you're the former, try working the problem yourself and then compare your answers to ours, or compare our approaches, your notes, and textbook and see where they differ. Our different answers can probably be attributed to some math or conversion error. \n\nRemember, when all else fails follow the units and you'll be right more times than not.
439027
I think you need to spend a few minutes trying to understand the phase diagrams in the chapter.  Each line on the diagram represents a transition from one state to another.  The axes of the diagrams are temperature and pressure.  I'm sure you'll need to learn to interpret these diagrams for an exam, so you might as well start now...
422625
ahh its a shame..dont have my notes with me..\nyou should be able to find this online though...gl
31502
I did a quick search for it and found a snipped at megaessays.com\n\nOf course my personally recomendation would be to read the book and do it yourself, but if you need a start this may be a place to help.
91157
Diffusion, being the spontaneous spreading of matter (particles), heat, or momentum, is one type of transport phenomena. Diffusion is the movement of particles from higher chemical potential to lower chemical potential (chemical potential can in most cases of diffusion be represented by a change in concentration).
412168
Diffusion is the natural tendency for molecules/atoms/ions to move from areas of high concentration to areas of low concentration.\nOsmosis is diffusion of water.
603911
Try a rough DNA isolation, some things u need are detergent, lemons, and a sample like onion.\n\nSimple diffusion experiments with onions, salt, water, etc..
306006
What do u mean by chapters be specific.\n\nSorry i dont know about that, go to a search engine and find out.
617865
Grab your textbook or go to wikipedia.\n\nSee:\n\n1. Random Molecular Motion\n2. Diffusion\n\nThe simple answer is that atoms and molecules move constantly because they have energy, the amount of energy something has can be measured, in your example through heat. The less energy something has, the slower it will move and conversely the more energy something has the faster it will move. This is random molecular motion.\n\nDiffusion is the motion of these molecules from areas of abundance to areas scarcity. Molecules will diffuse until they are evenly distributed throughout a solution. Too illustrate this try to think of the molecules as marbles in a box, in the beginning they are all bunched up in one corner, but if you start to shake the box they will begin to bump against one another, at first rapidly because they are all bunched up. As time goes on they will spread out until they fill the entire box and are bumping up against each other at a rate that keeps them as evenly spread out as the box allows. The amount of energy you apply to the shaking will cause them to move faster or slower, or in your example, cold water will make the food coloring distribute slower and hot water will make them distribute faster.
344960
First of all, osmosis is the movement of WATER ONLY!  Diffusion is the movement of any other substance.  If there are two solutions separated by a semi-permeable membrane, then water from the side of lower solute concentration will move to the side of higher solute concentration.  The walls of a capillary are a semi-permeable membranes, so the same thing will happen in a capillary
598292
I'm a teacher and i always give the students the "Rope example"\n\nimagine equilibrium as a rope pulled with the same force both ways! \n\nnow if you look at the your chemical reaction energy (heath) is release from the reaction -----> so if you take the heath out (so you cool the system) the reaction ------> will be more power full so equilibrium will be moved in C and D direction.\n\nIf you heath the system (you'll have a lot of heath that needs to go somehow --- and the only way it can go is by the <--------- reaction -- which is a reaction that use heath ).\n\nThe same with pressure (but you need to have different amounts of molecules -- in your reaction you have the same -- 5 in the reaction ----> and 5 in the reaction <----)\n\nif you speak about concentration use the rope example. You put more of A(increase the concentration of A) , that A need to be consumed in order to keep the equilibrium.\n\nif you take A out of system (so reduce the concentration of A) you'll encourage the <---- reaction (reaction that release more A)\n\nI don't know if you'll understand my spelling and grammar (I'm not the aching chemistry in English). \nI'm just curious what grade are you on? because  I teach this subject to 10th grade students (16 years old )\n\nIf you want me to try to rephrase this answer just let me know \njustplaincornnel@yahoo.com