Chemicals Definition and 82 Threads

For a while, I've been stepping outside my comfort zone a bit and working with really moisture-sensitive chemicals (isothiocyanates, carbodiimides, succinimides, etc.: stuff that rapidly hydrolyzes and loses functionality). Even though we only purchased a tiny amount each time, we only used a...

In the oxidation of organic chemicals, are there any conditions that must involve water or must not be in the presence of water or the oxidation process will stop despite the presence of the oxidizing agent? I remember my teacher saying something about this, but I don't remember which one it is...

Can I mix these 3 chemicals together?? I'm not a chemist so don't laugh at my lack of knowledge: I want to mix pure Benzene, Toluene and Cyclohexane into a single Cuvette. Is this alright? I'm not going to produce any harmful gases or weapons of mass destruction? Thanks.

The other night I had two friends at the house for a gathering. One is an herbalist and the other is some sort of doctor, I'm not sure of his specific job title. However that is not important. These two began to bicker about medical techniques. In your opinion are herbs a better way to treat...

Homework Statement Use a flow chart to distinguish between: 1-hexene, cyclohexanol, 1-bromobutane, 1-propanol, 2-hexene, 1-hexyne, 2-bromopentane, 3-methyl-3-hexanol, 3-bromo-3-methylhexane by using a positive and negative test by adding other compoundsHomework Equations N/AThe Attempt at a...

I want to get a little into rocketry and i want to know what are the best chemical mixes for solid and liquid state rockets? also i wanted to know if there are such things as super chemicals. I am not sure if i made that up or not or it just a different word but, what i mean are chemicals that...

So we define humidity as.. "Relative humidity is defined as the amount of water vapor in a sample of air compared to the maximum amount of water vapor the air can hold at any specific temperature in a form of 0 to 100%" But these definitions of humidity are overly specific to Earth's...

I have a bet that no chemical can cut through hardened steel like in the movies, will i loose?

[SOLVED] Clothes and chemicals don't mix After taking analytical this summer I notice I have many holes in my jeans... I spilled some Zimmermann-Reinhardt reagent on my jeans and I spilled it on my pocket of my jeans. I do know that it contains H2SO4 but I notice that everytime I was the...

I didn't know where to put this since it pertains to both chemistry and biology so i put it here. One time i accedently spilt 31.45% concentrated HCl on my skin and didn't notice it right away but then i saw this fuming drop on my skin and i immediately washed it off, it never tingled, burned...

I was reading about washing non polar soluble chemicals with a polar solvent like water. How exactly is that done? If you add water to the non polar solvent containing the chemical to wash away all the water soluble chemicals how would you separate the water from the non polar? Would you have to...

I want to learn how to isolate chemicals from substances. For example let's say I have a pile of powder which consists of about 5 different chemicals. The chemical I want to isolate is highly soluble in water. Let's say one of the other chemicals isn't soluble in water but highly soluble in...

I'm looking for a way to make a color flame candle . Are there any chemicals I can mix into paraffin wax to achieve these properties? The chemicals I'm looking for would be chemicals that don't cost very much and won't make the wax toxic when I'm burning it .

Does anyone have a list of the specific chemicals that are in off the shelf generic 2 cycle oils? Much appriciation if someone can give me an accurate list. Willing to compensate for an accurate list of chemicals and their chemical formulas.

How can we let things like this happen? "Cool your home, warm the planet. When more than two dozen countries undertook in 1989 to fix the ozone hole over Antarctica, they began replacing chloroflourocarbons in refrigerators, air conditioners and hair spray. But they had little idea that...

Which chemicals induce thirst or make the neurons that are responsible for the brain to feel thirsty work without the 'normal' reasons (body genuinely needing water) for thirst. My guesses from experience: MSG Mass produced muffins (they probably have a chemical that induce this type of...

A kid I've talked to on the internet's able to do his own chemistry experiments at his house, but where did he get the materials? I've lost touch with him as I've only talked to him a few times, so could you guys help me out here a bit? And tell me some safety precautions if you decide to...

I am stumped, and googled out. I am interested in knowing whether or not anyone knows of a chemical in liquid form, that will glow or emit light when it is excited by electrons, or more specifically an electromagnetic field. If I am generating an electromagnetic field and want to be able...

i have to do the plan of my chemistry coursework by monday... im having trouble with where to start..i have to identify 6 unknown chemicals. I am given a list with 8 chemicals that contains the name of 6 unknowns that i have and 2 extras. im thinking of starting with a litmus paper test...

Hi, does anybody know how to predict the boiling points of chemicals? Is there is a generally accepted theory or model to explain Tb? Thanks.

Chemicals in foods that produce "high" This is a strange question i suppose...but I've wondered about it for a while- When I combine certain foods or candy + certain drinks + ephedrine I get a feeling (a type of "high") that is so extreme I nearly pass out. I am not into drugs and I only...

I saw an article in Saturday's edition of the Kennebec Journal about an Augusta woman who mixed pool chemicals (calcium hypochlorite) with water in a bucket in the sink and it caused burns to her face and neck. It pays to read directions but it wouldn't hurt to hand out safety alerts where pools...

Can you make snow out of other chemicals besides water?

How many different molecules are people made from? Are there lots of new molecules to be discovered and if so,how is this known?

Can individuals purchase chemicals online/anywhere or is it illegal? If it is legal, I would like to know the cheapest place to purchase them online.

I'm looking to get the following: concentrated hydrochloric and nitric acid and powdered asphaltum. The book I'm getting this from suggests hardware stores or pool chemical dealers, but its dated back to the 1970's, so I'm not sure of the current availability outside of a commercial chemical...

There are a whole bunch of plants on this planet which produce an array of chemicals. I'm sure there are chemicals in the plants which had developped as a result of natural selection; some of them are used to help the plant survive certain conditions/predators. But I'm sure there are a lot of...

aphrodisiac normally consists of what chemicals ? how it works ?

They're coming to termite tent my apt. building Wednesday A.M. What the heck are those chemicals they use for this anyway? Anyone know? I think they will finish Thurs. afternoon and I'll be able start airing out the place Thursday night and move back in Friday evening. Anyone been through this...

By "bulk chemical" i mean I need a pound of calcium carbide. anyone know where to get it? If i get it under its laymans headng, as in the stuff used for hobbying, its kind of expensive, esp for a large quantity. I assume this is markup. Thanks.

Is it possible to generate energy from chemicals in a way that would be economical, and safer compared to nuclear energy, such as the removal of electrons, etc?

Doesn't it just crack you up when a company will advertise their products touting "ALL NATURAL - NO CHEMIALS!" To me, this just flies in the face of reason. Let's see - Foxglove is all natural but it can kill you! And show me a flower that is NOT made of chemicals and I'll show you empty...