# All Questions

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6 views

### Concentration of sulfuric acid that makes a solution of pH=3.4

What concentration of sulfuric acid will make a solution of pH=3.4
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### What are the fragments that result from taking the Mass Spectrum of o-fluronitrobenzene?

I am doing my online lab, and we are on mass spec right now. I am having a very tough time figuring out the shape of the fragments of o-fluronitrobenzene, especially the large peaks. Especially the ...
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### what multiplicity to use for a system of a molecule and O2?

I know that O2 has a triplet state. If O2 is in the presence of another molecule, what multiplicity does the system have? I'm asking for the purposes of doing a DFT calculation.
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### Remove peroxide and glycerol from hand sanitizer

I bought 80%-ethanol based hand sanitizer spray and realized it contains hydrogen peroxide and glycerin, which was not clear from the seller ( newegg.ca ). I would like to remove that additives. I ...
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### Is there an organic process that can breakdown CO2 into free oxygen and carbon compounds at temperatures and pressures found on planet Venus?

After watching this video about terra forming the planet Venus, I was surprised that the author contemplated bio-engineering bacteria and extremophiles to convert the huge amount of CO2 in the ...
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### Finding the right order for the stability of carbocations

I should list these carbocations in decreasing order of stability. My suggestions would be: 1 > 2 > 3 > 4 > 5 Structure no. 1 has 9 resonance structures and the benzylic carbocation has ...
27 views

### Theoretical Nucleus with Imaginary Numbers [closed]

I am curious as to how atoms may work by extending into the theoretical. I know that with one positive proton, you get standard matter. With one negative proton (antiproton) you get antimatter. Both ...
32 views

### Alternative Electrolyte Solution for Lead-Acid Batteries

I was curious about the possibility of creating a lead storage battery with dissolved sulfate compounds (like MgSO4, Na2SO4, (NH4)2SO4) in water as the electrolyte instead of sulfuric acid. From the ...
163 views

### How to make acetic acid more volatile so that it can be removed by vigorous aeration of an acetic acid-water mixture?

I want to remove acetic acid from a mixture of acetic acid and water by aeration. The concentration of acetic acid is 200 ppm (mg/L). The pH of the water is more than 5. I want to reduce the acetic ...
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### Does heating potato starch destroy its resistant starch?

Resistant starch, as found in potato starch, is supposed to have health benefits. There are differing opinions on whether or not heating potato starch destroys the resistant starch in it and thereby ...
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### Change in surface tension of soapy water as oil is added

I am wondering about how the surface tension of clean soapy water changes as oil is added to it? Is the change gradual or is it abrupt as the amount of oil added exceeds the amount of soap available ...
27 views

### Thermodynamics- How are various property tables made? [closed]

I've always been curious about how different thermodynamic property tables are made. It's really interesting to me. I want to know how different things such as critical properties and variations of ...
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### Why do you count both bonding electrons towards an atom's octet, but you only count one of them towards the atom's formal charge? [duplicate]

For example, oxygen is neutral when it has just 6 electrons. But the pink O in the molecule pictured has 3 bonds giving it 8 electrons, a full-octet. It's more electronegative than all the atoms it's ...
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### Why does the lacto-fermentation of honey take much longer than other lacto-fermented fruits [closed]

I work in a restaurant in which fermentation is a key part of our menu, with lacto-fermentation being a common technique we perform. Recently we've experimented with lacto-fermenting honey. As lacto-...
16 views

### What happens when a molecule is subject to its resonance frequency? [closed]

FCC notes that the resonance frequency of water vapor is around is around 24 GHz . Now, consider a radio transmission of this frequency is projected on water vapor. Question: When water vapor is in ...
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### Are all gases equal in their ability to carry with them lower volatility matter at a given temperature? [closed]

As we all know water is a great solvent in it's liquid form relative to other substances. I wonder however how it performs as a gas relative to other stuff. Does anyone know how well steam carries ...