Gina from Boston, Massachusetts asks

I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...

Bruce MacKinnon, CET from Kitchener, Ont asks

Is polyol used in the reaction of isocyantes (methylene diioscyante) the same compound as Glycerol?

KIm from Waldorf asks

What furnishs H30+ in water solution?

Adil asks

Has absolute zero (0 K) ever been reached a laboratory?

Wilma de leon from Philippines asks

What is the reaction between a chitin--the polysaccharide intermediate between protein and...

Amanda Gillis from Margaree asks

What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm...

Tony Kirk asks

Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...

Steve from Honolulu, HI asks

I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...

Sonia asks

How could I decrease the boiling point of a substance without changing the pressure of the liquid?

Thomas Seltsam from Austria asks

Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...

David Magill from Shippensburg asks

In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...

Michelle from San Jose asks

What are vinyl erasers made of?

C.L.Bridger asks

What chemical additives can be used to increase the octane rating of unleaded gasoline?

erin asks

Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?

julie from Soledad asks

What is the polar nature of water?

Pierce H. asks

Does mercury in its gas form act the same way as air - I mean if heated, does it rise?

James from Hamilton asks

If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?

Loubelle I. Depita from Koronadal City, South Cotabato, Philippines asks

Why does Nitric Acid stain the human skin yellow?

Base from Ontario asks

Why is vegetable oil viscous?

Dave from the Internet asks

Hi, I am looking for a procedure that I can use for a science investigation. We are testing water...

Sherri from Baltimore asks

Does Henna (a plant based hair dye) contain any aluminum in its substances?

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

Jim from Yorkton asks

Why does ice make pop fizz? Shouldn't it fizz less since the gas is being cooled?

John Douglass asks

Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...

Joe Joe from Scarbrough asks

What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference...

Dixie from Los Angeles asks

What is a simple way to explain miscible and immiscible liquids?

TINA from the Internet asks

How much chorline is added to drinking water? Why?

Colin Genade asks

I have seen some advertised ice packs that claim to have salt water solution in them and a clicker,...

Andrea from London asks

In chemistry, how do you know what the formula of a compound is? For example, how do you know if it...

Kirsten from Toronto asks

What is in most nail polish removers?

Koshoua from Leola asks

What is the substance or chemical in nail polish that makes it dry?

Josh from New York asks

If hydrogen peroxide is bad for cells, why is it good for cuts? Also, how is it a good treatment...

Josh from niagara falls asks

What is the ingredient used to make "hair gel" stiff and hold?

Wesley O. Smith from Yuma, TN USA asks

I have 10 gallons of new battery acid 31%-39% Sulphuric acid, SP gr. 1.26. I need concentrated...

UML @ Lake.Sherwood .School from Baton Rouge asks

What cause the red dye to explore when it leaves the bank during a robbery? Does the red dye ever...

Philip Steernberg asks

On cold nights Florida farmers spray oranges with water which quickly freezes into ice on the...

max scott from Perris, California asks

When I go to buy my plain t-shirts, I always wonder if there is a particular color choice (dyes)...

LAIRENMAYUM GYAN PRAKASH MEITEI from IMPHAL asks

I would like to know if the distance of maximum probability of finding electrons in an orbital...