
Chemistry
How can I measure how much liquid is in an apple, lettuce, a potato, and an orange? ...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
What two liquids combine that gives you a solid...
Read the answer...
Chemistry
Would you be able to help me out in any way to find material on Fluorine? ...
Read the answer...
Chemistry
What happens to the ice cubes in our freezer bucket. They get smaller even if they are a solid. Do they...
Read the answer...
Chemistry
Why does the Periodic Table of the Elements have two separate tables - one above and one...
Read the answer...
Chemistry
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....
Read the answer...
Chemistry
What chemical reaction takes place when you use henna to tint skin? Is it possible to extract the chemical which stains skin from henna...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Do different isotopes vary slightly in chemical properties? Or are they the same? i.e. are the orbital energies somewhat different because of charge...
Read the answer...
Chemistry
Why do batteries behave differently when kept at different temperatures? In my science project a battery kept in the fridge lasted longer than one ...
Read the answer...
Chemistry
Is it possible to freeze water in a vacuum? Is there a chart that shows water temperature vs....
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
I have always heard that distilled water is a poor conductor of electricity. Is this true and if so,...
Read the answer...
Chemistry
Is there a substance known to science that reacts to electrical impulses by contracting or changing its density? ...
Read the answer...
Chemistry
How does a lightstick work, and what are the chemicals...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Can you tell me what the exact pH of the acid in our...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute sulphuric acid how would I tell them...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
How long does it take styrofoam to decompose? Are there chemicals that help to cause the decomposition of styrofoam? Are any of these chemicals...
Read the answer...
Chemistry
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,...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Why do dry cell batteries (rechargeable) need to be fully drained before they can be...
Read the answer...
Chemistry
We want to know, when we burn NaCl, what happens to...
Read the answer...
Chemistry
What is the heat wanted to melt the hardest substance in the...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Why is Isobutane ( C4H8) a gas at 25 C and Dodecahedrane ( C20H20) a solid at 25...
Read the answer...
Chemistry
I've a question about solublity, water, and cyclohexanone. Water has a certain solubility in cyclohexanone, and cyclohexanone has a certain...
Read the answer...
Chemistry
I am currently researching how sugar (sucrose) reacts with various chemicals. I am particularly interested in whether any chemicals react with sugar...
Read the answer...
Chemistry
Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a solubility issue? Or is this to create an acidic storage...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell this...
Read the answer...
Chemistry
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....
Read the answer...
Chemistry
Why doesn't oil freeze? Would it freeze at -270...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
How are electron sublevels given their assigned letter? ...
Read the answer...
Chemistry
Why does Nitric Acid stain the human skin...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Is there a better alternative that has yet to be discovered other than zinc to be used in a...
Read the answer...
Chemistry
What is the reaction between a chitin--the polysaccharide intermediate between protein and carbohydrates which can be found in the exoskeleton of...
Read the answer...
Chemistry
Can you explain how those bright sticks work, the ones that glow for hours with a snap and a...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Does mercury in its gas form act the same way as air - I mean if heated, does it...
Read the answer...
Chemistry
Can you explain where the "extra" ATP comes from in photosynthesis? As I understand it:
- 24 ATP come out of the light reaction (12 water...
Read the answer...
Chemistry
What is the ingredient used to make "hair gel" stiff and...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
If hydrogen peroxide is bad for cells, why is it good for cuts? Also, how is it a good treatment for...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
What chemical additives can be used to increase the octane rating of unleaded...
Read the answer...
Chemistry
What is the chemical composition of soya...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
I understand that alkenes are more reactive than alkanes. I recently read however, in a new high school text, that ethane undergoes combustion faster...
Read the answer...
Chemistry
What chemical or chemicals that can desolve a strong concrete structure, and what is its mixture if any and also how it is...
Read the answer...
Chemistry
Water is made up of H2O. H will burn and O2 will burn. Why does water not...
Read the answer...
Chemistry
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??...
Read the answer...
Chemistry
In reusable heat packs, the crystalization of sodium acetate is exothermic. This process can be 'recharged' by boiling it in water. Is the sodium...
Read the answer...
Chemistry
Why does the Original Coke sink into the water, when Diet Coke floats in the...
Read the answer...
Chemistry
I was wondering how I could test for things like heavy metals. How can I do that without paying for a commercial water testing...
Read the answer...
Chemistry
What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference in how this works with natural or synthetic...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Is polyol used in the reaction of isocyantes (methylene diioscyante) the same compound as...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
What is a simple way to explain miscible and immiscible...
Read the answer...
Chemistry
Why do I see green and orange lines in a sodium ion when my flame is the color of yellow? ...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
How much chorline is added to drinking water?...
Read the answer...
Chemistry
Why does ice make pop fizz? Shouldn't it fizz less since the gas is being...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
Does Henna (a plant based hair dye) contain any aluminum in its...
Read the answer...
Chemistry
How does the type of liquid effect the way it holds...
Read the answer...
Chemistry
In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate, by mixing solutions of ammonium and cyanate, he...
Read the answer...
Chemistry
How could I decrease the boiling point of a substance without changing the pressure of the ...
Read the answer...
Chemistry
How can I tell the difference between Zinc and Aluminium...
Read the answer...
Chemistry
I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester reacting (and transferring energy) to a dye...
Read the answer...
Chemistry
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...
Read the answer...
Chemistry
I have 10 gallons of new battery acid 31%-39% Sulphuric acid, SP gr. 1.26. I need concentrated Sulphuric acid at SP gr. 1.78. Can I boil the weaker...
Read the answer...
Chemistry
I want to make sculptures out of old vinyl records by melting them down and pouring them into a rubber silicon mold. But whenever I try to melt them...
Read the answer...
