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from the Internet
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from Lancaster, PA, USA
Since most dehumidifiers work on the principle of condensing on an aluminum coil, is there a...
Why do aqueous ionic solutions have less thermal conductivity than pure water?
I need to know what dissipates into the air during a salt analysis titration. I do this at work...
Cheah Bok Eng
from Penang, Malaysia
May I know what chemicals can undergo esterization by absorbing sunlight energy at 33 degree...
from BHOPAL INDIA
I have 30 liter sulfuric acid solution of 1.190 specific gravity, to make it stronger to 1.200 how...
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Why does light degrade vitamin C? (in juice or liquid form)
from New york
What does the word enzyme mean and how does it work in laundry detergent?
What is the chemical process of making Cocodimonium Hydroxypropyl Hydrolyzed Wheat Protein? What's...
Could you tell me who discovered arsenic and when?
from Kansas City, Kansas, U.S.A.
How do you become a scientist? What do scientists do in a normal day? What did you study in college...
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In the past, I have used Vinegar to kill unwanted weeds along walkways, around the patio, etc......
I was recently reading an article about large amounts of fish dying on very hot days due to oxygen...
When making a mixture of solvents up to a particular volume eg. 2L of 25% methanol 75% DMSO. My...
from New York City
What is the chemical make-up of film? I am searching for a detailed make-up of either 35mm film for...
from Fort Lupton
Why will hard boiled eggs tarnish silver. But a egg cooked scrambled in a pan with nothing else...
Why when you make lollypops do you have to boil the ingredients to 300 degrees for it to harden?
from Los Angeles, CA
I'm doing a science report on Arsenic and i was wondering do you know what is the meaning of the...
from San Jose
When using invisible inks, why does the organic substances (like milk) in the writing burn more...
from Saint John
Boron trifluoride (BF3) is non-polar, yet is much more soluble in a polar tetrhydrofuran (THF) than...
How and where is aluminum made?
What is the purpose of polyvinylpyrrolidone in the making of hard capsule gelatin. What is the...
How can you detect a chemical in the human body even after it has passed through? For example,...
from the Internet
Why has Aluminium only recently been extracted from its ore?
In my recent science project, I tried discharging batterys in the freezer, fridge and room. The...
What catalysts are needed to break down plastic containers, such as yogurt cups?
Why is propylene glycol not an alcohol? Same for glycerol. Why don't they evaporate and smell like...
How can I determine the specific gravity of a small rock? I have a very accurate digital scale, but...
How many electrons, protons, and neutrons make up a nickel atom?
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from Vancouver, Canada
Do herbal medicines interfere with the effectiveness of prescription medicines? If so, how does...
What is tocopheryl acetate? It's also called Vitamin E acetate. Is it like the chemical acetone...
from Montville, NJ
Where can I find the data to support that polyvinylpyrrolidone is safe for medical applications? ...
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How do you determine the proportion of the various gases in the air?
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