Chemistry

In the book Cat's Cradle by Kurt Vonnegut, Jr., there is a chemical compound called Ice-nine. Ice-nine is a formula that freezes anything under 114...

Chemistry

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

Chemistry

At a bar a fellow was doing a bar trick in which he asked anyone for a piece of foil from: cigarette pack/ gum wrapper or aluminum foil from kitchen....

Chemistry

I would really appreciate it if someone could help me make sense of T. S. Eliot's chemistry analogy in his essay, "Tradition and the Individual...

Chemistry

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

Chemistry

Is water from a dehumidifier de-ionized? The owner's manual for my car suggests that engine coolant should be mixed with distilled or de-ionized...

Chemistry

In my science 9 class we recently had a discussion about physical and chemical changes. Here is the question: if you boil water and then put a tea...

Chemistry

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

Chemistry

Why does lemon prevent the browning of apples? When browning of apples is caused by a reaction with oxygen. But lemon only helps to reduce acidity or...

Chemistry

When seperating hydrogen and oxygen from water by using electricity is there a safe way to contain the oxygen and filter out any hydrogen? And if...

Chemistry

I was...

Chemistry

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

Chemistry

My son, age 12 is asking for a chemistry set for Christmas. This is an area that has always interested him and I now feel is a good time to get him...

Chemistry

Why does phenolphthalein turn pink with a base? I know it has something to do with light, but i don't know exactly what makes it turn...

Chemistry

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

Chemistry

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

Chemistry

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

Chemistry

What is...

Chemistry

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

Chemistry

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

Chemistry

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

Chemistry

Does a magnetic and/or electric field have an affect on water’s ability to flow (if you can't answer that what about its affects on other aspects...

Chemistry

How does dish soap work to clean...

Chemistry

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

Chemistry

The name for gas written on CNG filling station is octane. There are other members in the alkane series also, so why is only octane used and not...

Chemistry

Why is it that a difference in the number of electrons in an atom makes a completely different kind of matter? Aren't the basic building blocks the...

Chemistry

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

Chemistry

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

Chemistry

Why does salt melt...

Chemistry

I have had some alkaline batteries (AAA, and AA) that have leaked. These batteries were in a TV remote control and a battery operated lantern in my...

Chemistry

Some shampoo is coloured in the bottle (purple or green) etc, why when you lather it up in your hair is it white? Why does your hair not turn the...

Chemistry

What type of salt melts ice the...

Chemistry

How is aspartame synthesized (theoretically and within industrial...

Chemistry

I recently removed some mercury from a thermostat and I've been told by my teacher that to touch it will not hurt me. My brother has many doubts...

Chemistry

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

Chemistry

How do "bath bombs" work? Why do they fizz when placed in...

Chemistry

I spilled some iodine disinfectant on my vinyl tile floor. As an old chemist, the only chemical I know that will decolorize iodine is sodium...

Chemistry

For some reason, it is common knowledge in this community that when subjected to cold, hot water will freeze before cold water. Is there ANY basis...

Chemistry

Can you please provide background information on catalase and how it affects substrates such as hydrogen peroxide. Also, how is it affected by...

Chemistry

I am doing a research project on the strength of different batteries. Is there a cheap way to test a battery for factors like discharge, besides...

Chemistry

Is there any reaction which can take place without the exchange of heat with the surroundings or within the...

Chemistry

Will sodium or ammonium nitrate react with hydrogen sulfide ? If yes, what are the expected reaction products...

Chemistry

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

Chemistry

Why do aqueous ionic solutions have less thermal conductivity than pure...

Chemistry

What does the word enzyme mean and how does it work in laundry...

Chemistry

May I know what chemicals can undergo esterization by absorbing sunlight energy at 33 degree celcius. I'm doing a project on producing aromatic...

Chemistry

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

Chemistry

I need to know what dissipates into the air during a salt analysis titration. I do this at work without a hood and I am wondering what I am...

Chemistry

I have 30 liter sulfuric acid solution of 1.190 specific gravity, to make it stronger to 1.200 how much concentrated acid in liters or weight should...

Chemistry

How do you become a scientist? What do scientists do in a normal day? What did you study in college and how long were you there? What sorts of...

Chemistry

What is the chemical process of making Cocodimonium Hydroxypropyl Hydrolyzed Wheat Protein? What's the cocodimonium? the process of mixing coconut...

Chemistry

Are there any solutions that change their pH level from neutral to 8.5 or higher due to the temperature changing from 10C to...

Chemistry

Since most dehumidifiers work on the principle of condensing on an aluminum coil, is there a possibility of getting trace amounts of aluminum, zinc,...

Chemistry

Why does light degrade vitamin C? (in juice or liquid...

Chemistry

When making a mixture of solvents up to a particular volume eg. 2L of 25% methanol 75% DMSO. My calculations would tell me to use 500ml methanol and...

Chemistry

I was recently reading an article about large amounts of fish dying on very hot days due to oxygen depletion on Long Island. I was wondering, what...

Chemistry

I would like to know if you could help me in my quest to making harsher laws about Driving Under the influence of Marijuana (DUM). I am wondering if...

Chemistry

In the past, I have used Vinegar to kill unwanted weeds along walkways, around the patio, etc... But if one wants to use acetic acid as a truly...

Chemistry

Could you tell me who discovered arsenic and...

Chemistry

What is the chemical make-up of film? I am searching for a detailed make-up of either 35mm film for photography or film that is used in the...

Chemistry

Why when you make lollypops do you have to boil the ingredients to 300 degrees for it to...

Chemistry

Why will hard boiled eggs tarnish silver. But a egg cooked scrambled in a pan with nothing else added, will not tarnish the...

Chemistry

I'm doing a science report on Arsenic and i was wondering do you know what is the meaning of the...

Chemistry

How many electrons, protons, and neutrons make up a nickel...

Chemistry

How can you detect a chemical in the human body even after it has passed through? For example, alcohol passes through the body in 24-48 hours. But it...

Chemistry

Why is propylene glycol not an alcohol? Same for glycerol. Why don't they evaporate and smell like...

Chemistry

Boron trifluoride (BF3) is non-polar, yet is much more soluble in a polar tetrhydrofuran (THF) than in non-polar solvents. Can you explain why BF3 is...

Chemistry

What is the purpose of polyvinylpyrrolidone in the making of hard capsule gelatin. What is the grade/spec used and where is it derive from? Who is...

Chemistry

What catalysts are needed to break down plastic containers, such as yogurt...

Chemistry

When using invisible inks, why does the organic substances (like milk) in the writing burn more quickly than the paper? (say heated with an...

Chemistry

How and where is aluminum...

Chemistry

Why has Aluminium only recently been extracted from its...

Chemistry

What is the energy required to split H2O, (joules), and the energy released from combusting H2 + (1/2)O = H20? I'd like to know if there is a net...

Chemistry

In my recent science project, I tried discharging batterys in the freezer, fridge and room. The results were , the lower the temperature the shorter...

Chemistry

How can I determine the specific gravity of a small rock? I have a very accurate digital scale, but I can't seem to remember how to do this (I have...

Chemistry

What is the chemical make-up of pear, banana and apple...

Chemistry

How can I make my own methylated spirit? How does pectin gel?...

Chemistry

How do you determine the proportion of the various gases in the...

Chemistry

What is fire composed of? Could you have liquid fire, or solid...

Chemistry

Can stabilized oxygen be used in place of iodine or chlorine to purify water? What if used in conjunction with a .01 micron water filter? Stabilized...

Chemistry

How can I separate NaCl so I can obtain...

Chemistry

What is the chemistry behind the method of cleaning silver where you place it on some aluminum foil in water to which washing soda has been added? I...

Chemistry

Does the location of chlorophyll a in the thylakoid membrane have anything to do with its effectiveness in photosynthesis? Or is it just there...

Chemistry

Do herbal medicines interfere with the effectiveness of prescription medicines? If so, how does it affect one another?...

Chemistry

Why does a saturated solution of calcium acetate gel when either ethanol or isopropanol is added to...

Chemistry

Where can I find the data to support that polyvinylpyrrolidone is safe for medical applications? Please advise. Thank...

Chemistry

How do hot packs work? My wife purchased a reusable hot pack for keeping our baby warm when we go out in the...

Chemistry

Where does the energy in freezing water come from? When water freezes, its volume increases so that it has enough "energy" to break a sealed jar full...

Chemistry

Why do we get coloured water if we put a slice of beet root in water but we do not get coloured water if we put a piece of carrot in...

Chemistry

Why does water evaporate when it is left out in the open? ...

Chemistry

What is tocopheryl acetate? It's also called Vitamin E acetate. Is it like the chemical acetone or is it more like Vitamin E? I've noticed that the...

Chemistry

Can you help me with a wonderful magic trick I performed as a boy? I made a silk rose change magically from white to violet as follows:

1. I...
   
   Read the answer...

Chemistry

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

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...

Chemistry

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

Chemistry

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

Chemistry

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

Chemistry

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

Chemistry

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

Chemistry

What is Tritium? ...