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2006-10-15 10:01:29 · 12 answers · asked by Anonymous in Science & Mathematics Biology

12 answers

No, molecules are always in motion as long as the temperature is above absolute zero. When diffusion stops, the concentration of molecules are in equilibrium, but they are still moving.

2006-10-15 10:05:17 · answer #1 · answered by Anonymous · 2 0

No. The molecules never stop moving in and out of a given area of space unless they are in a solid substance (where they wouldn't be able to diffuse anyway). Though the individual molecules still move in and out of a given area, the concentration in that area (which has to be measured as an average over time) remains the same when diffusion has stopped.

NB: even in a solid the molecules vibrate and are never entirely still as there is always some energy in them.

2006-10-15 10:06:35 · answer #2 · answered by LucyB18 3 · 0 0

No molecules are always in motion (except at absolute zero). Diffusion doesn't stop as such, it just reaches steady state so that the same number of molecules move in each direction.

2006-10-16 01:02:32 · answer #3 · answered by Ellie 4 · 0 0

No molecules in no way truly stop shifting even metals interior their lattice vibrate. Diffusion, is spontaneous spreading of count (debris or molecules), warmth, momentum, or mild. Diffusion is one form of delivery phenomenon. that's comfortably spoke of, case in point, whilst dried food like spaghetti is cooked; water molecules diffuse into the spaghetti strings, making them thicker and greater versatile. that's a actual technique particularly than a chemical reaction, which demands no internet skill expenditure. In cellular biology, diffusion is often defined as a sort of passive delivery, via which ingredients go membranes. in case you advise after the concentrations are the comparable do they shop migrating around the respond isn't any, you p.c. slightly greater data truly, relies upon on the textile state, temperture and a few different issues. wish this permits have exciting

2016-12-26 20:01:55 · answer #4 · answered by Anonymous · 0 0

Molecules always move with random motion so the concentration eventually stays the same because the same number of molecules move backwards and forward

2006-10-15 22:27:21 · answer #5 · answered by keri s 2 · 0 0

No. The potential energy is reduced, but the molecules sltill have their kinetic energy. They will continue to move between compartments, but there will be a steady state so that an equal number go in each direction.

2006-10-16 01:07:13 · answer #6 · answered by Kat D 2 · 0 0

no. for example in a supersaturated solution diffusion stops but still molecule are moving

2006-10-15 18:48:44 · answer #7 · answered by Anonymous · 0 0

No, there is just no NET movement of molecules, nothing ever stops cell membranes are a fantastic example of this, have a look at fluid mosaic models and see what i mean.

2006-10-18 08:49:43 · answer #8 · answered by graeme b 3 · 0 0

No. Remember Brownian Movement? Molecules are in constant movement as long as temperature is above absolute zero: -273ºC

2006-10-15 10:09:43 · answer #9 · answered by smarties 6 · 0 0

no, molecules do not stop moving unless the temperature is 0 degrees Kelvin

2006-10-15 13:06:50 · answer #10 · answered by ♪Krys♫ 3 · 0 0

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