In the book Cat's Cradle by Kurt Vonnegut, Jr., there is a chemical compound called Ice-nine....
Why does an ice cube melt faster in tap water than salt water?
from Valrico, Florida
At a bar a fellow was doing a bar trick in which he asked anyone for a piece of foil from:...
Why does water reach its maximum density at +4C instead of 0C? Why is water's density greater than...
In my science 9 class we recently had a discussion about physical and chemical changes. Here is the...
Heather M. Jones
I would really appreciate it if someone could help me make sense of T. S. Eliot's chemistry analogy...
Is water from a dehumidifier de-ionized? The owner's manual for my car suggests that engine coolant...
from the Internet
Is there a way to make a simple smoke bomb that isn't poisonous or harmful? How would I be able to...
from Long Beach
Do you know of any analysis or test data available to show that aluminum will not spark if struck...
Can you please provide background information on catalase and how it affects substrates such as...
When seperating hydrogen and oxygen from water by using electricity is there a safe way to contain...
If matter expands when heated, and contracts when cooled, why does ice expand when water freezes? ...
Why does lemon prevent the browning of apples? When browning of apples is caused by a reaction with...
How does dish soap work to clean dishes?
Why doesn't a neon sign finally "run out" of exited atoms and produce dimmer and dimmer light?
from Timmins, Ontario Canada
My son, age 12 is asking for a chemistry set for Christmas. This is an area that has always...
from Kingston, ONTARIO, CANADA
We have an older pop machine at work with canned soft drinks. Sometimes, when a pop is opened that...
from Cold Spring
Why does phenolphthalein turn pink with a base? I know it has something to do with light, but i...
Why does salt melt ice?
from Markham, Ontario, Canada, Amérique du Nord
I was and I still am wondering if there are any really complex questions that even scientists...
I heard that if you set fire to methylated spirit, it will catch fire, but nothing around it will...
My question: How will they produce plastics, tires, roads or anything that is made from oil, once...
What is sugar?
What do paper and plastic bags degrade to? How much does it cost to make a paper and plastic bag?
An anonymous reader
What are water's special qualities, and how do they work?
Does a magnetic and/or electric field have an affect on water’s ability to flow (if you can't...
from United Kingdom
Why does vitamin C not work as well if it has been heated?
I know it is an acid. Does it turn in to...
The name for gas written on CNG filling station is octane. There are other members in the alkane...
from St.john's, NL
Ethanol is the focus of many tax dollars these days. It seems to me that the burning of any...
Why is it that a difference in the number of electrons in an atom makes a completely different kind...
from Las Vegas
What type of salt melts ice the quickest?
from Salem, VA
I am doing a research project on the strength of different batteries. Is there a cheap way to test...
For some reason, it is common knowledge in this community that when subjected to cold, hot water...
How is aspartame synthesized (theoretically and within industrial processes)?
from Washougal, WA
I spilled some iodine disinfectant on my vinyl tile floor. As an old chemist, the only chemical I...
I have had some alkaline batteries (AAA, and AA) that have leaked. These batteries were in a TV...
What are the components of a fever strip and the chemical principles behind it?
from Canberra Australia
Some shampoo is coloured in the bottle (purple or green) etc, why when you lather it up in your...
from the Internet
Is there a liquid chemical that will glow when electricity is passed through it? What voltage would...
What it the chemical composition of styrofoam? What raw material is the styrofoam made off?
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