Recent content by asym

Try Golden rain. http://www.youtube.com/watch?feature=endscreen&NR=1&v=G8qnaq6Ehc8 Be careful, lead salts are poisonous.

You probably did a numerical error in the total volume, but that's not important, still you get closer to 7 than you actually should. There is more fundamental fallacy behind the calculation. You rely too much on the simplified equation pH = -log c (or pOH = -log c in the basic case). This...

So called double layer forms at the interface, effectively screening the field of the charged body so ions further in the solution will feel virtually no net force. http://en.wikipedia.org/wiki/Double_layer_(interfacial )

You confuse Δ for the total change of a state variable (what I use in my posts) with the derivative (slope) of the variable with respect to the reaction extent, which is unfortunately denoted by Δ as well, nonetheless, there should be subscript r (like reaction) in that case - to distinguish...

In my opinion you unwittingly made two assumptions: 1) heat is exchanged reversibly (in the definition of ΔS there is reversible heat) 2) temperature is constant (otherwise ΔG = ΔH - TΔS does not hold, generally ΔG = ΔH - Δ(TS) ) So you have an equilibrium situation with constant T and P...

1. You cannot prepare water sample without ions - there will always be some H+ and OH- from water dissociation. 2. Pure dipolar fluids react to electric field as well. Even nonpolar ones will do, as they get polarized by the field. However there is a question how strong the field must be to get...

Anomalies are not unique to water. It seems the key factor is the tetrahedral coordination of molecules in the solvation shell. Other "tetrahedral" liquids are e.g. silica, silicon, and germanium.

Whole orbital idea is an approximation. Orbital is a one-electron wave function, while exact solution involves N-electron wavefunction (Frankly speaking, even this is still approximative [Born-Oppenheimer or adiabatic approximation]. We should work with nuclear coordinates as well:-)

There are no valid resonance structures satisfying the octet rule.

OpenFoam has a DSMC solver in it. http://www.openfoam.com/features/standard-solvers.php#DSMCSolvers However I don't know how difficult it is to make it work. I am not familiar with this kind of simulations (I do ordinary molecular MC) so maybe it's something totally different from what...

In my opinion, instead of experiment, you should compare your results to someone else's simulation done with the same parameters. Search for some open source DSMC programs and use them as a benchmark.

So it's some kind of (double) ion exchanger?

Seems you are right. Hard to believe though:)

Your teacher is NOT right. However your arguments are not valid either. It's a bit obscure, read carefully. Proper definition of equilibrium constant involves ratio of activities, not concentrations, and activities are dimensionless by definition. Ex.: K = \frac{a_{{\rm H}^+} a_{{\rm...

Solvation phenomena, especially those involving hydrophobic hydration, are a result of a delicate balance between enthalpic and entropic effects. Simple explanation are usually wrong or at leas¨t misleading. It is also a common error to think that the interaction between polar and non-polar...