# All Questions

39,114 questions
Filter by
Sorted by
Tagged with
993 views

### How to derive partial gas equation? [closed]

If the following gasses are to mix, what is the partial pressure of neon? The correct answer is 0.1. I cannot figure out how my professor derived this equation. From the ideal gas law, all I ...
3k views

### Synthesis of nitrocellulose

I am trying to understand the synthesis of nitrocellulose. A mixture of sulfuric acid and nitric acid is used to nitrate cellulose. The sulfuric acid acts as a catalyst, producing $\ce{NO2^{+}}$ ions ...
383 views

### Classical reason for good heat conductance in diamond?

My teacher in my physics course attributed this effect to phonons, more here, but I am skeptical about this argument, it feels like he is overlooking the whole question -- what about with Silica that ...
237 views

7k views

### Are there notable organic compunds which look very similar but have very different properties?

I've seen people arguing for some questionable "miracle cure-all" alternative medicines not scientifically, but by their own logic. A common claim is, that if a compound looks very similar to an ...
3k views

### In practice, how dangerous is liquid oxygen as an oxidizing agent?

The Wikipedia page on liquid oxygen tells us Liquid oxygen is also a very powerful oxidizing agent [...], if soaked in liquid oxygen, some materials such as coal briquettes, carbon black, etc., can ...
104 views

### Alloy-component weight based on desired molecule

I'm a gold smith and I want to start experimenting with non-standard metal-alloys. Now high school is a long time ago for me so while I think I've got this right, I'm just not as sure as I should be ...
4k views

### Why are solid phase organics often conjugated to HCl?

Many uncharged organic compounds are sold in solid phase with HCl conjugate - e.g. the antihistamine diphenhydramine.HCl or the derivitizing agent pentafluorobenzyl hydroxylamine.HCl, among many ...