Rommel Sato from Riyadh asks

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

Ashley Robertson asks

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

vijay kumar from BHOPAL INDIA asks

I have 30 liter sulfuric acid solution of 1.190 specific gravity, to make it stronger to 1.200 how...

christine from Ontario asks

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

Jim Weaver from Lancaster, PA, USA asks

Since most dehumidifiers work on the principle of condensing on an aluminum coil, is there a...

Cheah Bok Eng from Penang, Malaysia asks

May I know what chemicals can undergo esterization by absorbing sunlight energy at 33 degree...

Stephen Leece from London asks

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

Swaminathan N from Chennai asks

Why do aqueous ionic solutions have less thermal conductivity than pure water?

Kris from Vancouver asks

I recently removed some mercury from a thermostat and I've been told by my teacher that to touch it...

Barbara Berghoff from Illinois/usa asks

I need to know what dissipates into the air during a salt analysis titration. I do this at work...

Beverly Ng from HK asks

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

Pankhuri Kalra from Delhi asks

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

Mary Schroeder from Weston asks

I was recently reading an article about large amounts of fish dying on very hot days due to oxygen...

Citre asks

What is tocopheryl acetate? It's also called Vitamin E acetate. Is it like the chemical acetone...

Bryson from Fort Lupton asks

Why will hard boiled eggs tarnish silver. But a egg cooked scrambled in a pan with nothing else...

Kaitlyn Muller asks

Could you tell me who discovered arsenic and when?

Colin Groves from Kansas City, Kansas, U.S.A. asks

How do you become a scientist? What do scientists do in a normal day? What did you study in college...

Cheryl Wess asks

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

Kayli Taylor from Belleville asks

I would like to know if you could help me in my quest to making harsher laws about Driving Under...

KC from San Jose asks

When using invisible inks, why does the organic substances (like milk) in the writing burn more...

chris from Saint John asks

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

Eric Leclair from Ottawa asks

In the past, I have used Vinegar to kill unwanted weeds along walkways, around the patio, etc......

Andrew Brown from New york asks

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

Lindsay from New York City asks

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

John asks

How can I determine the specific gravity of a small rock? I have a very accurate digital scale, but...

Elizabeth from Los Angeles, CA asks

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

Philip Newman asks

How and where is aluminum made?

Alysha Gulutzan asks

How many electrons, protons, and neutrons make up a nickel atom?

Kim from london asks

When making a mixture of solvents up to a particular volume eg. 2L of 25% methanol 75% DMSO. My...

Sheila Hart asks

How can you detect a chemical in the human body even after it has passed through? For example,...

Jefrey from KL asks

What is the purpose of polyvinylpyrrolidone in the making of hard capsule gelatin. What is the...

Kaycie Nabeta asks

Does the location of chlorophyll a in the thylakoid membrane have anything to do with its...

Emma from the Internet asks

Why has Aluminium only recently been extracted from its ore?

Lia Cassanego asks

I am experimenting with microwave reboil caused when you microwave coffee or water and add sugar,...

Steve Appleby asks

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

Kashif from Toronto asks

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

Leo from Montville, NJ asks

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

nohjin asks

Where does the energy in freezing water come from? When water freezes, its volume increases so that...

Tony from Melbourne asks

In my recent science project, I tried discharging batterys in the freezer, fridge and room. The...

Saw Mui asks

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