Number of results: 307
Is teh answer for teh nine protons and 10 electrons thing F^1- Yes, I answered to that effect at the original post. Its the fluoride ion.
Sunday, October 15, 2006 at 12:34pm by Googly Eyez
SOMEBODY PLEASE HELP ME!!!I CANT FIND TESSELATION.PLEASE HELP. The word is tessellation. If you had read my response to your original question you would have known how to spell it. Go to www.google.com, type in anything close and it will ask you if you meant tessellation. ...
Sunday, October 15, 2006 at 5:25pm by vaneesa
Dr Bob222 !!!! Chemistry
Cyclohexane is composed of 85.6 % C and 14.4% H. when it is mixed in the proper ratio with oxygen, it can be used as an anesthetic. At 755 mmHg, and 25 degrees Celcius, it has a density of 2.05 g/L. what is the molar mass of cyclohexane and its molecular formula? The way i ...
Sunday, October 15, 2006 at 10:18pm by Anonymous
My question is what is the molar mass of 1.00 mol of Li? Can you explain in detail and I have another question: What is the molar mass od 1.00 mol of Ag but if you help me with the first question, then can you just tell me to the other by myself so I can see if I did it right ...
Monday, October 16, 2006 at 6:03pm by Cupcake
chemistry - Dr.Bob222 please help
Hi Everyone, Anyone want to try giving these a shot? The right electrode in a cell is a piece of copper immersed in a 1.00 L solution of 0.0701 F copper sulfate. The left electrode is a galvanized nail (i.e., an iron nail that is completely coated with a layer of zinc), ...
Tuesday, November 7, 2006 at 10:06pm by ajones51
I need assistance with the following question: A researcher estimated that the price elasticity of demand for automobiles in the United States is -1.2, while the income elasticity of demand is 3.0. Next year, U.S. auto makers intend to increase the average price of automobiles...
Wednesday, November 8, 2006 at 4:15pm by Talia
Science. plz help!!
What is the physical and chemical characteristics of the element neon? p.s- a really need help i'm not joking. oh yeah and thank you for your time! I think I answered this last night but it may not have been your question. Anyway, go to www.webelements.com and click on element...
Monday, November 13, 2006 at 8:13pm by Vicky
what is G.P.A. in college, and how is it determined? and more information about academic standing. Write a paragraph. It varies depending on the college. Variables include: major, pass/fail courses. You need to see the policies for particular institutions. https://my.unsw.edu....
Sunday, December 3, 2006 at 11:10pm by deek
How is 6p^5q^3 x 9p^5q^3 / 5p^5q^5= 30p^5q because isn't it both have the same exponents and letters therefore they should cancel and be left with 30q^2 The equation started at as 25 for the second part of the numerator and not 9. 6p^5q^3 x 25p^5q^3/5p^5q^5 = (150p^10q^6)/(5p^...
Thursday, December 14, 2006 at 4:39pm by Jasmine20
Dr.Bob222- IChemical formulas&Reactions
When aqueous copper(II)chloride reacts with aqueous ammonium phosphate, soluble ammonium chloride forms and copper(II) phosphate precipitates out of solution. 1. Write the balanced molecular equationfor this reaction. 2. Write the balanced complete ionic equation for this ...
Wednesday, January 3, 2007 at 4:28pm by chrissy
Need to write a balanced chemical equation for the reaction between hydrogen selenide and tin. I know that the hydrogen selenide decomposes producing solid tin selenide and hydrogen gas but how would I balance that in the equation. Any help gratefully recieved. I can write and...
Sunday, January 7, 2007 at 1:47pm by Mac
I aked the instructor about that problem that looked like this: (w-(1)/(4))^2 and he said that what i thought was right. which was : the answer:w^2-(1)/(2)w+(1)/(6) Yes, that's right. I just thought your way of getting the answer was more complicated than it could have been. ...
Thursday, January 25, 2007 at 3:46pm by Jasmine20
I posted a question under First Amendment, would you look at the question and give your opinion? I'm not finding it Carrie. I Posted the question under first amendment question I will pass since government is not my field.
Thursday, January 25, 2007 at 7:36pm by Carrie
when you get a small little chance can you check my math in last message i posted. thank you. I read the post earlier but didn't post a response because I was confused by the c in the formula.
Tuesday, January 30, 2007 at 4:56pm by Jasmine20
how do you conver ug/ml to ug/ul? There are 1,000 uL in 1 mL. So 1500 ug/mL = 1.500 ug/uL or in detail-- 1500 ug/mL x 1 mL/1,000 uL = 1.500 ug/uL. Thank you Dr. Bob222
Tuesday, February 6, 2007 at 12:03am by James
Can you help me with this please - Temp - 650 Pressure - 690mm Hg mass - 0.927g volume - 194cm3 How do I calculate the volume of the gas at a different temp? & at a different pressure? You can do this two ways. The simplest is P1V2/T1 = P2V2/T2
Tuesday, February 27, 2007 at 5:33pm by bex
G-chem/org. chem=>Dr. Bob222
I just looked at Dr. Bob222's post for when you initially posted this question and the setup that I gave you for part 1 differs from the setup that he gave you for part 2. I will let him resolve that for you since he has more experience in G-chem then I do, and he is probably ...
Friday, February 8, 2013 at 5:58pm by Devron