Andrew Foster asks

In the book Cat's Cradle by Kurt Vonnegut, Jr., there is a chemical compound called Ice-nine....

Kelly asks

Why does an ice cube melt faster in tap water than salt water?

Jason Bever from Valrico, Florida asks

At a bar a fellow was doing a bar trick in which he asked anyone for a piece of foil from:...

eray asks

Why does water reach its maximum density at +4C instead of 0C? Why is water's density greater than...

Jamie Duckett asks

In my science 9 class we recently had a discussion about physical and chemical changes. Here is the...

Heather M. Jones from Dayton asks

I would really appreciate it if someone could help me make sense of T. S. Eliot's chemistry analogy...

Gerry MacDonald asks

Is water from a dehumidifier de-ionized? The owner's manual for my car suggests that engine coolant...

Umit K from the Internet asks

Is there a way to make a simple smoke bomb that isn't poisonous or harmful? How would I be able to...

Michael Guenther from Long Beach asks

Do you know of any analysis or test data available to show that aluminum will not spark if struck...

Louise Abbott asks

Can you please provide background information on catalase and how it affects substrates such as...

Lupe Muratalla from dallas asks

When seperating hydrogen and oxygen from water by using electricity is there a safe way to contain...

Bob Salo from Michigan asks

If matter expands when heated, and contracts when cooled, why does ice expand when water freezes? ...

Jessie Meyers from Sydney asks

Why does lemon prevent the browning of apples? When browning of apples is caused by a reaction with...

Tania asks

How does dish soap work to clean dishes?

Jon asks

Why doesn't a neon sign finally "run out" of exited atoms and produce dimmer and dimmer light?

Carole Smith from Timmins, Ontario Canada asks

My son, age 12 is asking for a chemistry set for Christmas. This is an area that has always...

Michael Doggett from Kingston, ONTARIO, CANADA asks

We have an older pop machine at work with canned soft drinks. Sometimes, when a pop is opened that...

Maren from Cold Spring asks

Why does phenolphthalein turn pink with a base? I know it has something to do with light, but i...

Hannah from Austin asks

Why does salt melt ice?

Kelvin C from Markham, Ontario, Canada, Amérique du Nord asks

I was and I still am wondering if there are any really complex questions that even scientists...

Stephanie from Winnipeg asks

I heard that if you set fire to methylated spirit, it will catch fire, but nothing around it will...

Satnam from Calgary asks

My question: How will they produce plastics, tires, roads or anything that is made from oil, once...

Navid Patterson asks

What is sugar?

Jenny from Toronto asks

What do paper and plastic bags degrade to? How much does it cost to make a paper and plastic bag?

An anonymous reader asks

What are water's special qualities, and how do they work?

Agin Thomas from Philadelphia asks

Does a magnetic and/or electric field have an affect on water’s ability to flow (if you can't...

nick simons from United Kingdom asks

Why does vitamin C not work as well if it has been heated? I know it is an acid. Does it turn in to...

shaheena from Karachi/Pakistan asks

The name for gas written on CNG filling station is octane. There are other members in the alkane...

D.D. from St.john's, NL asks

Ethanol is the focus of many tax dollars these days. It seems to me that the burning of any...

Rory from winnipeg asks

Why is it that a difference in the number of electrons in an atom makes a completely different kind...

Monse from Las Vegas asks

What type of salt melts ice the quickest?

Ethan Heil from Salem, VA asks

I am doing a research project on the strength of different batteries. Is there a cheap way to test...

Jim Davis asks

For some reason, it is common knowledge in this community that when subjected to cold, hot water...

Sébastien Morin asks

How is aspartame synthesized (theoretically and within industrial processes)?

Ken Louie from Washougal, WA asks

I spilled some iodine disinfectant on my vinyl tile floor. As an old chemist, the only chemical I...

Anthony Daddazio from Maple asks

I have had some alkaline batteries (AAA, and AA) that have leaked. These batteries were in a TV...

Cesar from kalookan asks

What are the components of a fever strip and the chemical principles behind it?

Amanda Parkin from Canberra Australia asks

Some shampoo is coloured in the bottle (purple or green) etc, why when you lather it up in your...

Rommel Sato from Riyadh asks

What it the chemical composition of styrofoam? What raw material is the styrofoam made off?

Semutblue from the Internet asks

Is there a liquid chemical that will glow when electricity is passed through it? What voltage would...