Walk me through this, why are you using the rate of evaporation of a liquid and why the mass transfer coefficient of water (liquid) - also what does the superscript "m" mean and why did you choose this and not the other value that says water (liquid) ?
I tried accessing the
archive.fo link below it but it does not load the scihub page.
I did find the article
https://www.sciencedirect.com/science/article/pii/S0017931096003390 which points to different empirical coefficients calculated under different conditions varying greatly. I can be wrong here and the explanation may have been left out for brevity, but it looks as if the 0.02 value was cherry-picked because it worked really nicely into the claim.
I'm with other people in questioning that a room filled with people who have just taken off their clothes and are breathing out air at near 37C remains at 10C, and after 25C the vapor pressure of cyanide is higher than atmospheric (so it would boil if it was a liquid, right?)
>>10760780>HCN is only slightly lighter than air. In fact, oxygen is heavier than air ...There is wind and convection in the air. If left alone, oxygen will also form a gradient with nitrogen, as will gases like carbon dioxide. This is an issue for agricultural workers with silos
https://extension.psu.edu/silo-gases-the-hidden-danger - this may not be significant enough to leave you hypoxic if you're standing at the top of a room with completely unmoving air for a long time, but a small change in PPM of cyanide can be sufficiently poisonous. It also doesn't help that people who have been starved and traveled for days on a crowded train and have vitamin deficiencies don't have the same tolerance for cyanide and neurotoxic gases as normal people (you can google search this and find a handful of NIH papers about it) - in the case of cyanide, among other things, this may be because starved neurons depend more on ketones, which are only metabolized into ATP through ox phos which cyanide inhibits
