Number of results: 102,670
chemistry help!!! (clueless)
1. Consider the conductance meter and the titration method of determining the salt content of a brine sample. Discuss at least two advantages and two disadvantages of each method. 2. A corrosion technologist pipetted a 50.00 mL sample of an unknown brine and titrated it with ...
Monday, June 19, 2006 at 5:26pm by lightning
write the equation for copper(II) sulfate pentahydrate and ammonium sulfate forming: Cu(NH4)2(SO4)2*6H2O not sure how to balance it Check your question very carefully. Is this a question given to you by a teacher? yeah it is in a lab CuSO4.5H2O + (NH4)2SO4 >>Cu(NH4)2(SO4...
Monday, November 6, 2006 at 8:59pm by harry
I don't think there is any benzene in Elmer's glue. In fact, I suspect finding something with benzene in it will be tough to do unless you have some OLD OLD bottles of something. Its a carcinogenic thing. If you are looking for something aromatic (meaning aromatic as in ...
Monday, February 5, 2007 at 7:53pm by DrBob222
Hi, Is the molecular formula different when it is in a gaseous state? Cheers ;) Sometimes yes, sometimes no. H2O, for example, is thought to be in a group of 6 as a liquid at room temprature, a group of 4 at higher temperatures, and single H2O molecules as steam. Thanks, Ive ...
Tuesday, February 6, 2007 at 11:30am by bertie
How do medications such as Pepcid AC and Xantac treat acid reflux? If anybody can find a web-site that explains this it would be great! I'll help you if you help me...please.! http://www.answers.com/topic/famotidine
Tuesday, February 20, 2007 at 3:42pm by Bob
Chemistry Science Project
I need some ideas for high school science projects. It doesnt really matter what field of science, but i would prefer chemistry, biology, or physics. Really Urgent! Thanks! What about a project on osmotic pressure. Put a salt solution inside a thistle tube, place a membrane ...
Thursday, March 8, 2007 at 3:36pm by Rachel
Just some homework. Would like to know if I am right, thanks. 1. Adding salt of a weak acid to a solution of the weak acid: a)lowers the concentration of the nonionized acid and the concentration of the H30+ b)lowers the concentration of the nonionized acid and raises the ...
Monday, March 26, 2007 at 10:55pm by Trish
Chemistry labs in highschool
If your speaking of AP classes hosted by a college then I don't know about that, but I was speaking of AP classes in actually taught by highschool teachers. To get into those classes we didn't have to take a test but rather ask permission from the head of the department (who ...
Thursday, August 23, 2007 at 12:02am by ~christina~
There are two kinds of equations in chemistry that you must learn to balance. One is the oxidation/reduction type. Those equations aren't found at the beginning of a course. The other kind of equation is done by trial and error and SOME redox equations can be done by trial and...
Monday, December 24, 2007 at 6:58am by DrBob222
I'm having a hard time getting started studying for my chemistry midterm. i'm kind of overwhelmed. my teacher gave me a brief study guide, but where would be the best place to start? are notecards effective for studying chemistry?
Saturday, January 12, 2008 at 9:20pm by Catie
Chemistry Suspension Examples...]
Monday, September 8, 2008 at 11:36pm by Chemistry Suspension Examples...]
Chemistry Suspension Examples...
Tuesday, September 9, 2008 at 2:47am by Chemistry Suspension Examples...
Chemistry (kind of)
Okay so this is actually for an english assignment where we have to report on a problem in our field....mine happens to be Chemistry so I was wondering what kind of problems or disputes can be caused in a chemistry lab...
Friday, February 6, 2009 at 12:46pm by Stefanie
Chemistry (kind of)
Worker safety, exposure limits, monitoring, and record keeping on those.
Friday, February 6, 2009 at 12:46pm by bobpursley
At what initial concentration would a solution of acetic acid (ka=1.8x10^-5) be 2% ionized? Thanks Responses Chemistry - DrBob222, Thursday, February 12, 2009 at 10:00pm Let's call acetic acid HAc. Then the ionization is HAc ==> H^+ + Ac^- We will call the initial concn of ...
Thursday, February 12, 2009 at 11:15pm by Chemistry - Repost for DrBob222
Google is sure a big help with this kind of question. http://en.wikipedia.org/wiki/Standard_solution http://www.chemistry.co.nz/mole.htm http://en.wikipedia.org/wiki/Molar_mass
Tuesday, May 19, 2009 at 5:04pm by Ms. Sue
Science of any kind is definitely not my area, but here are some tutorials that might cover what you are doing: http://www.google.com/search?q=Chemistry+tutorial&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Monday, June 22, 2009 at 5:10am by SraJMcGin
I posted yesterday. Re: Chemistry (Sunday, October 4, 2009 at 12:49pm). Here's the information I left out. Number 3 simply states: nickel forms a large number of ammonia salts Ni^2+(NH3)m(Br)n . p(H2O) where m, n, and p represent the coefficients in the formula How do you know...
Sunday, October 4, 2009 at 9:00pm by Anonymous