| Subject | Date Asked | Expert |
|
| well water | 10/10/2009 | Henry Boyter |
Q: MY HOME IS SUPPLIED BY WELL WATER AND I HAVE A 2300 GALLON HOLDING TANK WHICH SUPPLIES THE HOUSE. ...
A: All the information indicate that it may not be needed if the well is clear of bacteria. ...
|
| jello biphospholipid layer | 10/10/2009 | George Maxwell |
Q: I've been experiencing some difficulties in making a jello biphospholipid layer. I've noticed most ...
A: and thanks for your question. We've never had any problems with Jello not setting; maybe it's the ...
|
| Mixing stock solutions | 10/5/2009 | George Maxwell |
Q: Recently, I had received a stock solution of 15% Glucose/1% Starch from a chemical company. The ...
A: and thanks for your question. You are correct in your assumption, the abbreviation QS means ...
|
| biphosphlipid layer | 10/4/2009 | George Maxwell |
Q: I am making trying to make a biphospholipd membrane, you suggested me to use jello like layer right? ...
A: and thanks for the follow-up Err as in "commit an error"; ...
|
| biphosphlipid layer | 10/3/2009 | George Maxwell |
Q: I am making trying to make a biphospholipd membrane, you suggested me to use jello like layer right? ...
A: Salt-based flour dough should work ok as a modelling agent provided it's not in contact with ...
|
| biphosphlipid layer | 10/3/2009 | George Maxwell |
Q: I am making trying to make a biphospholipd membrane, you suggested me to use jello like layer right? ...
A: The reason that you probably shouldn't go with the "liquidy" jello is primarily that you're relying ...
|
| 3 layer liquid that won't mix | 10/1/2009 | George Maxwell |
Q: you probably won't remember. I am trying to make a 3 layer liquid that can last for more than a ...
A: There are two problems with the vinegar-salt idea; 1) Vinegar is mostly water, so in essence, all ...
|
| 3 layer liquid that won't mix | 9/30/2009 | George Maxwell |
Q: you probably won't remember. I am trying to make a 3 layer liquid that can last for more than a ...
A: Firstly, it's not necessary for water to form salt crystals in order to dissolve. This will be ...
|
| 3 layer liquid that won't mix | 9/30/2009 | George Maxwell |
Q: you probably won't remember. I am trying to make a 3 layer liquid that can last for more than a ...
A: and thank you for your question. I'm afraid your method at present won't work; I did try it myself ...
|
| oil's densities | 9/27/2009 | George Maxwell |
Q: I just want to ask is it possible to have a substance to dissolve in oil to make it so that its more ...
A: and thanks for the follow-up. Firstly, it makes no difference if the solute is solid or liquid; the ...
|
| oil's densities | 9/27/2009 | George Maxwell |
Q: I just want to ask is it possible to have a substance to dissolve in oil to make it so that its more ...
A: and thank you for your question. The basic answer is that it is not possible to change the density ...
|
| Geiger counter | 6/13/2009 | Henry Boyter |
Q: I am going to buy a geiger counter, and would like to knoe if the old yellow counters work withiut a ...
A: Unfortunately, it will depend on the model. Unless you are looking at one that can be demonstrated ...
|
| candlesticks and lead | 6/13/2009 | Henry Boyter |
Q: This may seem like a silly question, but I'm curious and uncomfortable, and it seems like much of my ...
A: Not to worry, a candle would never get that hot. More likely would be the candle could be ...
|
| reaction | 6/9/2009 | Henry Boyter |
Q: i had a shed built in my garden and each time i visit the place my inner ears feel swollen and full ...
A: Thinking about your situation for a couple of days. Two things stuck out. You mention in your ...
|
| Re: Random Noxious Fume Creation | 6/4/2009 | Henry Boyter |
Q: Dr. Boyter, I apologize for not answering some of your other questions in my replies. I was not ...
A: Many chemicals irritate the nose and not the skin. Start with black pepper. At this point, my only ...
|
| Random Noxious Fume Creation? | 6/1/2009 | Henry Boyter |
Q: I am grateful that you have made yourself available to help others. I hope that you can help me. My ...
A: One other thing to keep in mind in that this bottle of detergent may have sat in a hot warehouse too ...
|
| Random Noxious Fume Creation? | 5/31/2009 | Henry Boyter |
Q: I am grateful that you have made yourself available to help others. I hope that you can help me. My ...
A: Need some more info. You keep saying "odorless fumes" and "pick up the problem", but you never ...
|
| Random Noxious Fume Creation? | 5/30/2009 | Henry Boyter |
Q: I am grateful that you have made yourself available to help others. I hope that you can help me. My ...
A: Tell me more about the "free and clear". Is that the brand name? Who is the manufacturer? What ...
|
| Testing Water | 5/27/2009 | Henry Boyter |
Q: I am a grade 11 chemistry student. For my assignment i must test the water qualities of two ...
A: Sorry hit the wrong button. There are no easy tests that can be done n a high school lab. You ...
|
| acid to deteriorate flesh of leaf | 3/19/2009 | Henry Boyter |
Q: I purchase a gift item and re-sell it to gift shops. The item is a real leaf that has been treated ...
A: It could be several things including sulfuric acid. ...
|
| ISP project | 2/13/2009 | Angel Evangelista |
Q: My name is Christine and i am doing a ISP project at my school.ISP stands for Independent Study ...
A: I appreciate your consideration for this ISP project, but I am not the best expert to answer or ...
|
| Hydrogen sulfide gas | 2/10/2009 | Angel Evangelista |
Q: Angle: I am involved with water4gas.com. This site involves electrolyzing water to hydrogen and ...
A: Unfortunately, I know very little of the particular chemical environment in your water4gas.com ...
|
| Permanent ink | 2/3/2009 | Angel Evangelista |
Q: Do you know of any commercially available solvent which removes permanent ink? I have a number of ...
A: I certainly will not purport to be an expert at answering this question. I do not know of a ...
|
| alcohol | 1/31/2009 | Angel Evangelista |
Q: What chemicals does alcohol have??
A: The answer to your question is very broad, or in other words, your question isn't specific enough. ...
|
| sulphuric acid and salt water | 1/28/2009 | Angel Evangelista |
Q: my friend and I were discussing what would happen if battery acid (sulphuric acid) was accidentally ...
A: Follow-Up Feb 9, 2009: My apologies if I may have offended you with my rudeness or presumptions, but ...
|
| reactivity of fluorine | 1/28/2009 | Henry Boyter |
Q: I'm writing a novel that involves a very scientific and complex magic system. Will pure fluorine ...
A: Not reactive unless you add an electric spark. The reaction of F2 with water is actually a way to ...
|
| dry etching question | 1/23/2009 | Angel Evangelista |
Q: I am an undergraduate majoring in the engineering field. Recently, I stumbled upon a problem while ...
A: I presume you mean carbon tetraflouride, CF4. Like many haloalkanes, this is a very stable almost ...
|
| Paraxylene production and consumption | 1/15/2009 | Angel Evangelista |
Q: Im a student of Tehran University,Iran. I really need some information about the worldwide amount of ...
A: First, in response to the first sentence in your reply, one finds that even among great scientists ...
|
| chemical change vs phase change | 1/11/2009 | Angel Evangelista |
Q: we have a debater who posted the following in an ongoing AGW debate. "You have no idea the amount ...
A: You mention "AGW debate"...are you implying the acronym for "Anthropogenic Global Warming". If so, ...
|
| Biotransformation of Benzaldehyde | 1/10/2009 | Angel Evangelista |
Q: Do you have much knowledge of this process for the production of PAC? I have read so much material ...
A: Frankly, if you HAVE done extensive research and read substantial material on the subject of ...
|
| science project | 1/7/2009 | Angel Evangelista |
Q: I am doing a science project at school and i wanted to know what chemicals are in Pepsi, coca-cola, ...
A: The "chemical" in all CARBONATED soft-drinks that causes the "fizz" is carbon dioxide gas bottled ...
|
| potassium and sodium | 1/5/2009 | Angel Evangelista |
Q: Sir what will happen when Pure Potassium and Pure Sodium are mixed?
A: In an otherwise inert environment (no air, water, or other substances; that is, in a vacuum inside a ...
|
| hello | 1/3/2009 | Angel Evangelista |
Q: I'm a student of Tehran University,Iran. Im' doing a porject on Normal butanol.I really need some ...
A: Frankly, if you don't have the resources to Google or Wiki it from your location, and your ...
|
| Dreams ,who is responsible | 1/3/2009 | Angel Evangelista |
Q: is any chemical is resposible for dreams , and if there any can we control that one
A: Your question is in the wrong category. You need to ask a biochemist or pharmacologist, not a ...
|
| Paraxylene production and consumption | 1/1/2009 | Angel Evangelista |
Q: Im a student of Tehran University,Iran. I really need some information about the worldwide amount of ...
A: Frankly, if you don't have the resources to Google or Wiki it from your location, and your ...
|
| 3 types of organic compounds | 1/1/2009 | Angel Evangelista |
Q: . i was wondering if you could help me today.. i need to explain how the three main types of organic ...
A: What "three main types of organic compounds"? No one in their right mind would classify organic ...
|
| chemical equation | 12/17/2008 | Henry Boyter |
Q: What is the product result from Al2(OH)+HNO3?
A: Al2(OH) is not a normal form of aluminum hydroxide. It should be Al(OH)3(s) + 3HNO3 = H2O(l) + ...
|
| Meaning of the word "dissolve" | 12/8/2008 | Angel Evangelista |
Q: To me "dissolve" means a solid dissolving in a liquid (like salt in water). But does it also mean ...
A: (First of all, my sincerest apologies for a delayed reply. its been a tough week.) I first ...
|
| safety concern | 12/4/2008 | Henry Boyter |
Q: I am a teacher who recently did an experiment in a high school classroom. we placed a few small ...
A: Yes, there is a big safety concern. Any reaction of this sort must be done in a hood or at least ...
|
| Using chemicals in clinical trials | 12/2/2008 | Angel Evangelista |
Q: based in the information I found on the web chemicals such as HU210, HU211, HU311, etc. were and ...
A: I am not sure if I understand your question correctly. You are wondering if the chemicals HU210, ...
|
