Chemistry

Peter Baum asks,

How can I measure how much liquid is in an apple, lettuce, a potato, and an orange? ...


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Chemistry

Helina From Shakespeare, asks,

What two liquids combine that gives you a solid...


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Chemistry

Saw Mui asks,

Why does the Periodic Table of the Elements have two separate tables - one above and one...


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Chemistry

Lia Cassanego asks,

I am experimenting with microwave reboil caused when you microwave coffee or water and add sugar, causing a reboil. I have also tried this experiment...


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Chemistry

Sam asks,

Can a 'stove' be made using methane gas produced by waste...


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Chemistry

Mike Tripple asks,

What happens to the ice cubes in our freezer bucket. They get smaller even if they are a solid. Do they...


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Chemistry

Jonathan asks,

Would you be able to help me out in any way to find material on Fluorine? ...


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Chemistry

Chandler robinson asks,

What is Tritium? ...


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Chemistry

Michel lamontagne From edmonton, asks,

I am wondering how water/air changes it's molecular structure so that when air is heated it contains(potentially) more water than when it is cooler....


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Chemistry

Josh Blake From Mississauga, Ontario, asks,

I am really interested in chemistry and I was wondering where I would be able to purchase some of the chemicals I need. I have researched high and...


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Chemistry

Cathy Schroeder asks,

Why do batteries behave differently when kept at different temperatures? In my science project a battery kept in the fridge lasted longer than one ...


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Chemistry

Atul Mulay asks,

What chemical reaction takes place when you use henna to tint skin? Is it possible to extract the chemical which stains skin from henna...


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Chemistry

D. Andrew White From Toronto, asks,

Do different isotopes vary slightly in chemical properties? Or are they the same? i.e. are the orbital energies somewhat different because of charge...


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Chemistry

Corinne Keffer From Halifax, NS, asks,

I have a liquid crystal display screen computer monitor. I am looking for unbiased information on the chemicals in my flat screen. I would like to...


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Chemistry

petra From chamblee, asks,

How long does it take styrofoam to decompose? Are there chemicals that help to cause the decomposition of styrofoam? Are any of these chemicals...


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Chemistry

Eric Johnson asks,

Is it harmful to inhale sulfur which has been...


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Chemistry

Carla Becker From Dallas, asks,

If we are making a perfume and we pour alcohol on an orange peel; why would the smell increase the longer it sits in the bottle? I was looking for...


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Chemistry

H Beken From Dayton, Ohio, asks,

I have been trying to find formulas for simple auto windshield washer fluid. Can't find anything. What are the amounts of what to make it up? I'm...


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Chemistry

Jerry E. Allen asks,

Is it possible to freeze water in a vacuum? Is there a chart that shows water temperature vs....


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Chemistry

Tridib Das From Guwahati, Assam, India, asks,

Just like 1 mole of water contains Avogadros number of molecules and has the same mass as that of molecular mass of water i.e.,18 g.m.m, then can...


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Chemistry

Margaret Moore asks,

Can you tell me what the exact pH of the acid in our...


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Chemistry

justine van der Werf From Tiaro, asks,

I have read that when oxygen is condensed to a liquid state, or indeed to a solid state it becomes paramagnetic and it has magnetic properties much...


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Chemistry

Intruder From Singapore, asks,

How does a lightstick work, and what are the chemicals...


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Chemistry

Joaquin Cornejo From Los Angeles, asks,

Why do dry cell batteries (rechargeable) need to be fully drained before they can be...


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Chemistry

B.Krystol From Jasper, asks,

Why is Isobutane ( C4H8) a gas at 25 C and Dodecahedrane ( C20H20) a solid at 25...


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Chemistry

eddie poirier From Orange City, Florida, asks,

I have always heard that distilled water is a poor conductor of electricity. Is this true and if so,...


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Chemistry

Amanda From Calgary, asks,

I am interested in finding more information on how to detect the presence of arsenic in the foods we eat everyday. I know there are expensive lab...


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Chemistry

Sandra Lenzi From Morris Plains, NJ, asks,

Why is the helical content higher in gelatin with higher molecular weight. In other words, it seems the triple helix increase with the increase in...


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Chemistry

George Donati From Andradas-MG- Brazil, asks,

When you squeeze out a piece of orange-peel on a flame, it catches fire violently. Why? What is there in the peel that is...


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Chemistry

bahar From iran, asks,

We want to know, when we burn NaCl, what happens to...


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Chemistry

Nick Hiebert asks,

Is there a substance known to science that reacts to electrical impulses by contracting or changing its density? ...


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Chemistry

Darrin asks,

Why does an atom have neutrons and why does a specific atom have a limited amount of isotopes. For example, hydrogen has 3 but carbon has only...


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Chemistry

Phil asks,

What are the chemical properties of phosphorus? ...


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Chemistry

sarah gubbs From quebec, asks,

If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute sulphuric acid how would I tell them...


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Chemistry

Ian Hancock From Calgary, asks,

In Chemistry today, we learned that when HCl is ionized in water, the H2O becomes H3O+, because of the coordinate covalent bond. Yet, when H2SO4 is...


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Chemistry

Stephen Leece From London, asks,

I am currently researching how sugar (sucrose) reacts with various chemicals. I am particularly interested in whether any chemicals react with sugar...


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Chemistry

Garry McKay From Melbourne, asks,

I've a question about solublity, water, and cyclohexanone. Water has a certain solubility in cyclohexanone, and cyclohexanone has a certain...


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Chemistry

nijin k From Khd, asks,

What is the heat wanted to melt the hardest substance in the...


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Chemistry

Ross Richardson From Battle Creek, MI, asks,

How long does it take for alcohol to be detected through the skin after your first drink? Is there currently a sensor out there to detect alcohol...


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Chemistry

Gina From Boston, Massachusetts, asks,

I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking birth control pills that were dyed blue, green,...


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Chemistry

KIm From Waldorf, asks,

What furnishs H30+ in water...


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Chemistry

Ron Belmont asks,

How are electron sublevels given their assigned letter? ...


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Chemistry

Marke Jones From Aurora, Ontario, asks,

Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a solubility issue? Or is this to create an acidic storage...


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Chemistry

Nathaniel P. Luga From Cebu City, asks,

What chemical or chemicals that can desolve a strong concrete structure, and what is its mixture if any and also how it is...


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Chemistry

jose From miramar, asks,

Does fabric softener affect drying time of...


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Chemistry

Sean M. North From Oregon City, asks,

In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and chefs, the butter solids do not burn. Why is this? Why...


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Chemistry

Brad McCarthy From Bridgewater NS, asks,

In reusable heat packs, the crystalization of sodium acetate is exothermic. This process can be 'recharged' by boiling it in water. Is the sodium...


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Chemistry

Aliahs Ahmadzai From Maple Ridge, BC, asks,

When you get a lighter and get a piece of metal and you turn on the lighter and put it over the metal why does it change a different...


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Chemistry

Brooke From the Internet, asks,

How do you find the solubility of a...


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Chemistry

John Douglass asks,

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


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Chemistry

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

Why does Nitric Acid stain the human skin...


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Chemistry

Mike From Brussels, asks,

I have been doing an experiment in school and I don't understand why the following happens. When we place a charged object near running water from a...


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Chemistry

Julie From London, asks,

Can you give me some information on the reaction of ascorbic acid and N-Bromosuccinimide? How do they relate to its chemical structure and what are...


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Chemistry

Adil asks,

Has absolute zero (0 K) ever been reached a...


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Chemistry

Juanita Higgins asks,

How do I generate heat from a battery? ...


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Chemistry

Angela From Portland, asks,

This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor (might be due to a chemical reaction, I’m really not...


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Chemistry

Amanda Gillis From Margaree, asks,

What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm doing a project on solids, and I've found all...


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Chemistry

Wilma de leon From Philippines, asks,

What is the reaction between a chitin--the polysaccharide intermediate between protein and carbohydrates which can be found in the exoskeleton of...


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Chemistry

Kaycie Nabeta asks,

Can you explain where the "extra" ATP comes from in photosynthesis? As I understand it:


Chemistry

David From Ottawa, asks,

I was wondering how I could test for things like heavy metals. How can I do that without paying for a commercial water testing...


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Chemistry

Pierce H. asks,

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


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Chemistry

Teresa Golebiewski asks,

Why doesn't oil freeze? Would it freeze at -270...


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Chemistry

David Woodard From Lansing, MI, asks,

How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I understand that they some how keep things from...


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Chemistry

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 for...


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Chemistry

Bruce MacKinnon, CET From Kitchener, Ont, asks,

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


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Chemistry

Mike Ochman From Whitby, asks,

Where on earth is the gas neon found? Is it common? Rare? In what form is it usually found (as a pure element or as part of a compound? Is it...


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Chemistry

Shakira From Mississauga, asks,

Why is it that alcohols do not follow a trend for their melting points, like their boiling points do? For example, their boiling points increase as...


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Chemistry

Colin Genade asks,

I have seen some advertised ice packs that claim to have salt water solution in them and a clicker, which if pushed will cause the water to freeze....


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Chemistry

Kelvin From Markham, asks,

Why does the Original Coke sink into the water, when Diet Coke floats in the...


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Chemistry

Thomas Seltsam From Austria, asks,

Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker at the bottom than at the top. Is this a fault of...


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Chemistry

Josh From niagara falls, asks,

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


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Chemistry

David Magill From Shippensburg, asks,

In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate, by mixing solutions of ammonium and cyanate, he...


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Chemistry

erin asks,

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


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Chemistry

Sherri From Baltimore, asks,

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


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Chemistry

Michelle From San Jose, asks,

What are vinyl erasers made...


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Chemistry

Sonia asks,

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


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Chemistry

Ernesto C Ignacio From Malabon City, Philippines, asks,

I understand that in some countries it is prohibited to use industrial acetic acid to make table vinegar. What is the scientific reason, if there is...


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Chemistry

Kim Monin From Nepean, Ontario, asks,

I am trying to make natural beeswax into an ivory colour. Some people say they use natural dyes. Can you tell me which dyes make ivory? If you...


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Chemistry

Kirsten From Toronto, asks,

What is in most nail polish...


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Chemistry

Sue From Mississauga,On. Canada, asks,

What is the chemical composition of soya...


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Chemistry

Ian From London, asks,

How can I tell the difference between Zinc and Aluminium...


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Chemistry

C.L.Bridger asks,

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


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Chemistry

Rudolf Olivier From Gauteng, South Africa, asks,

Water is made up of H2O. H will burn and O2 will burn. Why does water not...


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Chemistry

Bertrand Xiao asks,

Is there a better alternative that has yet to be discovered other than zinc to be used in a...


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Chemistry

hart From the Internet, asks,

I understand that alkenes are more reactive than alkanes. I recently read however, in a new high school text, that ethane undergoes combustion faster...


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Chemistry

julie From Soledad, asks,

What is the polar nature of...


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Chemistry

Jim From Yorkton, asks,

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


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Chemistry

Tony Kirk asks,

Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle was spilled on the underside? It covered all visible...


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Chemistry

Peter Griffin From Beaufort, asks,

How does the type of liquid effect the way it holds...


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Chemistry

Dixie From Los Angeles, asks,

What is a simple way to explain miscible and immiscible...


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Chemistry

Base From Ontario, asks,

Why is vegetable oil...


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Chemistry

Steve From Honolulu, HI, asks,

I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester reacting (and transferring energy) to a dye...


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Chemistry

TINA From the Internet, asks,

How much chorline is added to drinking water?...


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Chemistry

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 is AlO, or Al2O2??...


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Chemistry

Joe Joe From Scarbrough, asks,

What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference in how this works with natural or synthetic...


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Chemistry

Linda VonCino From the Internet, asks,

Is there a "litmus paper" like test that can be used for testing for the amount of caffeine in a liquid? Does caffeine react with any substances...


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Chemistry

D Selman asks,

Why do I see green and orange lines in a sodium ion when my flame is the color of yellow? ...


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Chemistry

James From Hamilton, asks,

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


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Chemistry

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 come off the money? Or does the money have to be...


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Chemistry

Dave From the Internet, asks,

Hi, I am looking for a procedure that I can use for a science investigation. We are testing water for any metals and I am unable to find a...


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