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April 23, 2014

Search: chem

Number of results: 14,093

AP Chem
I looked at the first four, they are right. Dont you work with someone on chem homework? Like a study group? That is a very effective way to work chem and physics problems.
Wednesday, November 19, 2008 at 11:22am by bobpursley

Chem
maybe try using P1V1/n1T1 = P2V2/n2T2 ... im in chem too...
Saturday, February 27, 2010 at 1:16am by fellow student

chem
... This isn't in the right section. That's math, not chem. the answer though is, 23.
Wednesday, February 10, 2010 at 7:40pm by Nadia Samim

O.CHEM -> PLEASE CHECK!!
Thank you...good to know, but isn't there a "Dr.Russ" that works with Organic Chem??
Wednesday, March 12, 2008 at 9:48pm by K

chem
The answer on mast chem is 279 if you have 230 grams instead of 200.
Monday, February 15, 2010 at 4:46pm by Anonymous

G-chem/org. chem=>Dr. Bob222
I mean are setups differ for part 1
Friday, February 8, 2013 at 5:58pm by Devron

chem PLEASE HELP
I am very sorry. Chem is just not my thing and i looked in my notes the book and everything
Thursday, April 14, 2011 at 7:40pm by Sal

CHEM organic chem
Responded above to a later repost.
Tuesday, November 13, 2007 at 6:18pm by DrBob222

Chem
Christina, Hello I'm Lisa. Thank you for your help you provided for my chem assignment. I really appreciate it! Have a nice day!
Tuesday, March 11, 2008 at 6:29pm by from Lisa to Christina

chem
ahh i hate chemisty, i'm kindof slow too and everything confuses me in chem.!! i feel the same way as you:)
Thursday, May 29, 2008 at 9:59pm by bethany

chem
sorry read it wrong, doing this now in chem
Tuesday, March 19, 2013 at 6:02pm by Amanda

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

chem help
see the short paragraph and visual titled Predicting ion charges. http://antoine.frostburg.edu/chem/senese/101/atoms/
Saturday, November 24, 2007 at 7:59pm by bobpursley

Chem
Chemistry - A mixture of chromium and zinc weighing .362 g was reacted with an ... chemistry - Plastic articles can be chromium-plated by coating them with thin ... chem - Zinc dissolves in acid according to the balanced equation. Zn(s)+ 2H(aq... chem - Zinc dissolves in acid ...
Sunday, February 25, 2007 at 5:26pm by Anonymous

Chem
Chemistry - A mixture of chromium and zinc weighing .362 g was reacted with an ... chemistry - Plastic articles can be chromium-plated by coating them with thin ... chem - Zinc dissolves in acid according to the balanced equation. Zn(s)+ 2H(aq... chem - Zinc dissolves in acid ...
Sunday, February 25, 2007 at 5:26pm by Anonymous

Chem
Chemistry - A mixture of chromium and zinc weighing .362 g was reacted with an ... chemistry - Plastic articles can be chromium-plated by coating them with thin ... chem - Zinc dissolves in acid according to the balanced equation. Zn(s)+ 2H(aq... chem - Zinc dissolves in acid ...
Sunday, February 25, 2007 at 5:26pm by Anonymous

Intergated chemistry/physics
time=distance/velocity. This is a very odd question for "integerated" chem/physics. Where is the chem?
Wednesday, October 3, 2012 at 1:53pm by bobpursley

ap chemistry
I agree on the tutor. Also, get another text (college used book store) to see the same material in differing words. On the ap chem board exam, nationally, most do not do well. I have to be honest, most ap chem students need to retake college chem if for nothing else, the lab ...
Sunday, November 4, 2012 at 4:07pm by bobpursley

In your opinion=> has it payed off for you Dr.Bob? (I need some advice)
I don't know where to start but I was thinking of changing my major to chemistry but that would require me to go to another school since mine doesn't have a chemistry major. This is rather ironic since they have all the major chem classes needed to get a chemistry degree and I...
Tuesday, March 25, 2008 at 9:50pm by ~christina~

chem- drbob222 please help
my original question was: how do i figure this out?? How much heat does your body lose when 2.46 g of sweat evaporates from your skin at 25C? chem - DrBob222, Tuesday, February 22, 2011 at 10:52pm q = mass water x delta Hvaporization. chem - Rebekah, Wednesday, February 23, ...
Wednesday, February 23, 2011 at 5:49pm by Rebekah

chem
The larger an atom the farther the electrons are away from the nucleus; therefore, the easier it is to distort them. Here is a site that talks about that. http://www.chem.purdue.edu/gchelp/liquids/disperse.html
Friday, November 28, 2008 at 4:49pm by DrBob222

Chemistry
I'm lost!!! Not sure if I'm just losing concentration after 50 chem problems or losing my mind with 3 kids running around still and a chem exam at 8am!!!
Friday, March 29, 2013 at 12:15am by Ryan Curry

chem
You have to subtract the water vapor pressure at 25C from 760Torr. http://intro.chem.okstate.edu/1515sp01/database/vpwater.html
Tuesday, February 2, 2010 at 10:41pm by bobpursley

Chem 2
Sorry my friend Barbie and I are doing are chem h.w. together. We each posted a question and since were using the same computer the last name always stays saved in the page...sorry I forgot to change it. It
Wednesday, February 27, 2008 at 3:28pm by Amanda

Chem Help!
I really need help with this question for my chem H.W. 1) On a summer day in Breckenridge, Colorado, the atmospheric pressure is 525 mm Hg. What is this air pressure in atmospheres? (round to the hundredths place) atm
Thursday, April 10, 2008 at 12:34pm by Lisa

Chem
What causes dispersion forces? Disperson forces are caused by an unsymettrical distribution of charge in the molecule, causing a net electric force. http://www.chem.purdue.edu/gchelp/liquids/disperse.html
Tuesday, January 9, 2007 at 6:46am by Dennis

physics vs. Chem
Doesnt physics seem to be harder than chem? Anyone?
Sunday, October 24, 2010 at 2:28pm by Kavi

science
Thank you for using the Jiskha Homework Help Forum. Hopefully the following will assist you: 1. (Broken Link Removed) 2. http://en.wikipedia.org/wiki/Polymer_chemistry 3. http://chem.chem.rochester.edu/~chem421/famous.htm
Tuesday, April 22, 2008 at 6:06pm by SraJMcGin

HARD CHEM QUESTION- any help appreciated
Have you ever heard of ICE charts? http://www.chem.purdue.edu/gchelp/howtosolveit/Equilibrium/ICEchart.htm
Monday, May 13, 2013 at 8:48pm by bobpursley

chem
Al is an element. The others are compounds. Consult this site for solubility. http://www.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Monday, October 8, 2007 at 9:39pm by DrBob222

chem:ionic equations
Here are a set of rules for solubility. Memorize them. http://www.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Tuesday, November 27, 2007 at 12:15am by DrBob222

Dr.Bob222 Chem
I believe that you are correct because you have more experience in G-chem then I have. But how does doubling the reaction rate double the k value? Isn't k just a constant for a particular reaction?
Friday, February 1, 2013 at 10:15pm by Devron

chem
so i posted this question yesturday and got some help. which is the stuff below. can you look at the last thing i said which was the answer i got by doing what DrBob222 said to do and tell me if its correct.(the question is the first section) thanks chem - hannah, A salt ...
Wednesday, November 10, 2010 at 4:18pm by hannah

chem
if a car produces 81g of {\rm CO_2}, how many grams of {\rm O_2} are used up in the reaction? the complete chem reaction is C2H6O+3O2--->2CO2+3H2O
Friday, October 19, 2012 at 8:20am by tracy

College Chem 1010
Here is a simplified list of solubility rules. http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html A) Ca(NO3)2 B) FePO4 C) NH4OH D) Na2SO4 E) NaCl
Sunday, April 15, 2012 at 10:48pm by DrBob222

Chem 1
Write a chemical equation that shows how acid rain H2SO3 was produced from SO2 gas and water in a zip sealed bag? My chem. teacher never explained how to do this and I have several other questions on this type of subject. If you could help me out it would help me tremendously...
Tuesday, April 9, 2013 at 8:00pm by Jess

Chem
We are unable to draw diagrams on these boards. However, here is a site that gives the structure for #1 together with the resonance structures. If I find the structure on the web for #2 I shall post it. http://www.chem.ucsb.edu/~genchem/Chem1CS03/examanswers/final_white.pdf
Monday, September 7, 2009 at 12:07pm by DrBob222

chemistry
http://dwb4.unl.edu/Chem/CHEM869J/CHEM869JLinks/www.chem.ualberta.ca/courses/plambeck/p101/p01182.htm
Monday, March 8, 2010 at 1:54am by DrBob222

Chem answer check
PbI2 is an insoluble salt. See the solubility rules. http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Monday, February 22, 2010 at 5:12pm by DrBob222

Chem
And ff is what? Your answers can be found here. http://www.chem.tamu.edu/class/majors/tutorialnotefiles/trends.htm
Monday, December 16, 2013 at 7:48am by DrBob222

Chem help
Here is a site that give you some insight on lattice energy. http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch7/lattice.html Yes, paramegnetic species will be those that have unpaired electrons. s and p.
Wednesday, November 28, 2007 at 1:01pm by DrBob222

Chem
You need to know the solubility rules. Here is a simplified set. http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Sunday, February 13, 2011 at 7:22pm by DrBob222

Chemistry
As for chem I vs chem II, I think you are expected to know the material from I going into II. And this is another of the problems with the test. How many profs around the country start and stop the semester with the same number of topics and to the same depth?
Thursday, April 19, 2012 at 8:27pm by DrBob222

chem
Here is a simplified set of solubility rules. http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Thursday, February 10, 2011 at 11:49pm by DrBob222

9th grade chem
delta T=iKm K=1.853C/m find delta T. (hint: m=mol glucose/kg H2O)Then subtract that value from 0 degrees Celsius. http://library.thinkquest.org/C006669/data/Chem/colligative/colligative.html
Tuesday, December 14, 2010 at 6:53pm by TutorCat

college chem
http://www.chem.uiuc.edu/chem103/aluminum/AlIntroduction.htm
Tuesday, June 26, 2012 at 1:36am by bobpursley

sand bath (chem)
what are disadvantages and advantages of using a sand bath to heat something in chem?
Sunday, October 21, 2007 at 7:31pm by ~christina~

chem
What is another name for cardamist? Please write the formula and a link to its structure. See http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-is-cardamist.shtml
Sunday, September 4, 2005 at 5:04pm by Nisar

O.CHEM -> PLEASE CHECK!!
Our regular chemist expertm DrBob222, is taking a vacation for a week, so it is quite likely that no one will be available to help you with your organic chem questions. Thank you for using the service, and I hope that you will continue to do so. Perhaps another person using ...
Wednesday, March 12, 2008 at 9:48pm by drwls

Gen Chem II
Thanks for the information Dr. Bob. Would you be able to work it out so that I can actually see the steps with the numbers and follow from there. The question was on Vitamin K from Sunday at 2:44pm which you answered at 3:45pm. Thanks again. I am looking to get a tutor since I...
Monday, February 11, 2013 at 5:28pm by Nefret

Chem - DrBob222 & drwls
Just want to say thanks to you guys for the help you gave me during the last couple of months. It was all in preparation for the National Chemistry Test and I just received word I have been selected to be in the running for the National Chem Team. Thanks again.
Monday, October 8, 2007 at 12:12am by Vic

Advice...about chemistry degree Dr.Bob
Based on the question topic posted by Britney below titled:In your opinion (your answer to this reminded me of something) (I posted the same thing there but I thought it was improper to piggyback on that post so I posted this under a new topic) I don't know where to start but ...
Tuesday, March 25, 2008 at 11:20pm by ~christina~

Chem
I Googled Millikan electron and found this. http://chem.ch.huji.ac.il/history/millikan.html
Thursday, November 15, 2007 at 2:53pm by Ms. Sue

chem
http://www.rpi.edu/dept/chem-eng/Biotech-Environ/EQUILIBRIUM/logconc.htm Click on the link at the bottom "explanation of why the lines are linear".
Wednesday, July 4, 2012 at 4:19pm by DrBob222

math chem
Marie posted the same kind of question with the same funny symbols but corrected. Look for the response above under chem/math by Marie.
Monday, January 24, 2011 at 11:36pm by DrBob222

science (chem)
I'm actually doing a homework assignment where you have to draw the structure into program...it's killer..I drew it with the double bond and the computer said incorrect. It's for organic chem. I'll try the triple bond and see what happens...I don't like drawing on the computer...
Friday, August 31, 2007 at 10:01pm by ~christina~

science (chem)
I'm actually doing a homework assignment where you have to draw the structure into program...it's killer..I drew it with the double bond and the computer said incorrect. It's for organic chem. I'll try the triple bond and see what happens...I don't like drawing on the computer...
Friday, August 31, 2007 at 10:01pm by ~christina~

chem
i know that i am slow here at chem but how do i find out the limiting reactant... i think it is the HCl but i am not sure. then how to do the rest of the problem. i have a few others like this problem. if you have time can you help me work it step by step?
Saturday, December 1, 2007 at 2:29pm by mel

Chem- bobpursley
What mass of protons would be required to just neutralize the charge of 1.5 g of electrons? my teacher said .0015kg times 1e-/.00091e-27kg times 1pt/1e- times 1.67262e-27 over 1 p chem - bobpursley, Tuesday, September 21, 2010 at 6:48pm That is what I would do also. But I ...
Tuesday, September 21, 2010 at 8:39pm by Sara

CHEM organic chem
i am really confused! i am doing the production of ethene from fractional distillation and i understand the whole concept of it what i don't get is how i can write a balanced eqn to show how ethene can be produced from C14H30 (tetradecane?!) i did C14H30 ------> C7H14 + ...
Tuesday, November 13, 2007 at 6:18pm by AllyKat

CHEM organic chem
i am really confused! i am doing the production of ethene from fractional distillation and i understand the whole concept of it what i don't get is how i can write a balanced eqn to show how ethene can be produced from C14H30 (tetradecane?!) i did C14H30 ------> C7H14 + ...
Tuesday, November 13, 2007 at 8:16pm by AllyKat

chem
Here is a link to the activity series of metals and their ions. Any metal will displace any metal ION BELOW it in the series. http://www.files.chem.vt.edu/RVGS/ACT/notes/activity_series.html
Saturday, May 28, 2011 at 12:20pm by DrBob222

Chem
You need to know the solubility rules. Here is a simple set of rules that will cover most (not all) salts. http://www.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html For example, NH4Cl + H2SO4. the possible combinations, if you look at a double replacement reaction, is HCl + ...
Wednesday, June 25, 2008 at 2:57pm by DrBob222

chem
HCl Read this: http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch11/conjugat.php
Monday, April 25, 2011 at 11:45pm by drwls

Chem
You do not state the physical state of the oxygen. If it is a gas jar of oxygen then this site might help. It is a good site for MSD information. http://msds.chem.ox.ac.uk/OX/oxygen.html
Wednesday, October 5, 2011 at 3:39am by Dr Russ

Chem
One reason is that in the gaseous state the molecules are so far apart that there is little attraction between them. At high pressures, it forces the molecules closer together (smaller volume), there is more attractions, and London forces play a bigger role in the liquifaction...
Monday, July 27, 2009 at 12:44am by DrBob222

Chem
Another site. http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Saturday, July 11, 2009 at 8:24am by DrBob222

math/chem
http://www.chem.tamu.edu/class/fyp/mathrev/mr-da.html
Saturday, October 22, 2011 at 10:20pm by Ms. Sue

Chemistry
3 NO2(g) + H2O(g) 2 HNO3(g) + NO(g) At constant temperature and pressure, what is the maximum volume, in liters, of HNO3(g) that can be made from 10.39 L of NO2(g) and 15.53 L of H2O(g)? That is the entire question and this is AP Chem but gas stoichiomatry from regular chem. I...
Monday, June 18, 2012 at 8:55pm by Nihar

science (chem)
an addition to this is Why doesn't my lab in organic chem use plastic pipettes? Is it going to react with the organic solvent if you do use it instead of glass? And it's kind of annoying that the liquid in the pipette has a tendency to go into the bulb while I'm transfering ...
Sunday, September 9, 2007 at 10:16pm by ~christina~

chem/science
Please predict what will happen. Im not very good in chem. Iron metal and pb(NO3) Lead metal and Mg(9NO3)2 Copper metal and AL(NO3)3 Lead metal and AgNO3
Thursday, April 18, 2013 at 8:44pm by jim

IS THERE ANY CHEMISTRY TUTORS OUT TONIGHT
Our regular chemist is not available tonight. I am not a chem teacher but have taken college level chem classes and have attempted to answer your earlier question already. Outsiders who are not regular teachers here also help now and then, as happened last night.
Thursday, March 13, 2008 at 8:03pm by drwls

Chem
http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Wednesday, July 6, 2011 at 5:58pm by DrBob222

Chem
http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Tuesday, March 26, 2013 at 10:15pm by DrBob222

science(chem)
I was thinking that they were the same but wasn't sure since the examples in the program were only of flipping the structure vertically not horizontally and I wanted to be sure since I haven't done organic chem in a long time. If it was a constitutional isomer wouldn't they ...
Friday, August 31, 2007 at 10:31pm by ~christina~

Chem
Calculate the expected volume of hot water that would be required to dissolve 0.15g of benzoic acid, vanillin, phthalic acid, salicyclic acid? You don't need to do all or any of them. I just need to know what formula to use and what to sub in and I can do the rest myself. I ...
Monday, May 25, 2009 at 1:05pm by Sam

Chem
Are: Ba(NO3)2, Ti)2, MgI2, and Ca(CH3COO)2 soluble or insoluble in H2O @ 25degrees C? Here is a site that lists the solubility rules. You should know this table; eventually you will want to know it so well that it is memorized. If you still have questions after viewing this ...
Friday, October 20, 2006 at 1:41pm by K

Chem
http://www.rpistudygroup.com/media/classes/chem-1100/homework/chem1100hwchap11.pdf
Friday, February 12, 2010 at 3:45pm by bobpursley

chem equations
could someone tell me how i could solve this chem equation CH4 + NH3 +O2...> HCN +H20 AND USE THE LOWEST WHOLE NUMBER COEFFICIENT i WOULD BE GRATEFUL FOR ANY POINTERS Try these coefficients. 2,2,3==>2,6 Hi bex heres a little more help for you. Answer is 2CH4+2NH3+3O2--&...
Sunday, May 6, 2007 at 12:00pm by bex

Chemistry
Ok, so in my gen chem 1 class, the teacher showed us that ethanol would not dissolve a sugar cube while water dissolves a sugar cube easily. No explanation was given, she just told us we would find out in gen chem 2. Here i am in gen chem 2, and the same thing is shown to us ...
Wednesday, August 31, 2011 at 11:09pm by Kevin

Chem
A 10.0% by mass H2SO4(aq) solution has a density of 1.07 gcm-3. How many milliliters of solution contain 8.34 g of H2SO4? What mass (in grams) of H2SO4 is in 248 mL of solution? It's been a while since I have had a chem class...so sorry if this seems really easy I just don't ...
Monday, February 15, 2010 at 2:37pm by Cairy

I have a question concerning Spring Semester
Im a freshman in college and I just took Chem1, Trig, and Drama (12units). I am planning on taking Chem2, Pre-Calc, and Art1 for spring sem. (13units). I'm not sure if this is too much to take for next semester considering two five unit classes or should I add another class? ...
Thursday, December 22, 2011 at 8:53pm by L.Bianchessi

Gen Chem
For my chem class I have 3 elements and have to find what they are used for today or an interesting fact. I have looked but I can't really fin anything. My elements are: Cobalt,Thulium, and Roentgenium I found that cobalt is used in money (nickels, quarters, and dimes, but ...
Sunday, October 21, 2012 at 12:20pm by Andrea

Chemistry
Use PV = nRT P is pressure in atmospheres. V = volume in L. n = mols. mols = grams/molar mass R = 0.08206 L*atm/mol*K T = in kelvin. Volume is only unknown. This is the general gas equation. Learn it now. You will use it forever if you are a chem major or use it all year if ...
Sunday, April 8, 2012 at 11:01pm by DrBob222

AP CHEM
A secondary alcohol results from the attachment of a hydroxy group to which carbon atom? C | <---GIVEN STRUCTURE C1-C2-C3-C4 A) C1 B) C2 C)C3 D)C4 Answer is C! I have to explain why, but the teacher never taught us anything about organic chem. So please explain!
Friday, April 5, 2013 at 2:52pm by Anonymous

Chemistry
Here is a good site that will give you all of the information you seek. Study it carefully. http://chemed.chem.purdue.edu/demos/main_pages/2.2.html
Tuesday, November 13, 2007 at 1:18pm by DrBob222

Chemistry-Polarity
You study Lewis structures and VSEPR theory. http://www.chem.purdue.edu/gchelp/vsepr/
Saturday, November 14, 2009 at 8:36am by DrBob222

Chem I
I don't know of any tricks. I learned them by experience; i.e., after running 22 unknowns in qualitative analysis for cations and anions, I knew the procedures for all of the groups, what precipitated the groups, and how each element was identified. There are a number of ...
Monday, September 28, 2009 at 4:54pm by DrBob222

chem help
im doing a graph for chem lab with excel. my classmate created a graph with these coordinates: X: 3.50 X10^-3 3.14X10^-3 3.28X10^-3 Y: -11.7 -8.96 -9.75 They got R2=0.998 but i got y = -3074.9x R = 0.6291 why is it wrong. im desperate please help! screen shot of my graph: ...
Saturday, October 23, 2010 at 11:05pm by ben

drying agent in chem
Is it advisable or not to leave a solution in drying agent for a few days? ~I did this ..since my chem lab instructor said to but I'm not sure I believe him. He sounded unsure of himself when he answered me. solution: methylene chloride (extracting oil of caraway) drying agent...
Saturday, October 27, 2007 at 4:11pm by ~christina~

General Chem
So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually calculating the density. I originally thought that manually calculating was better, but my teacher told me that I would have to back that up with a lot of...
Sunday, September 22, 2013 at 1:33pm by Anonymous

Final-Chemistry
I have finals coming up in a week and a half. I know I should have started studying earlier, but I just had an exam in my chem class and was focused on getting the information for that exam mastered before I started studying for the final. Now, I'm overwhelmed. I have no idea ...
Monday, November 30, 2009 at 7:16pm by Katherine

AP CHEM please help
Did you mean I2(s)? I think I2 usually is a solid so this would be a phase boundry and shown as I've done below. The () is where concns would go. You show aq there. You can write aq or the concn there. Here is a good site for reading. http://chemed.chem.wisc.edu/chempaths/...
Tuesday, March 6, 2012 at 2:07pm by DrBob222

Biology
Humans have specific enzymes to reduce glucose, galactose, and fructose. Most infants can break lactose into glactose and glucose, as can most adults (some adults have difficulty doing this chem cellular chem reaction. If humans had the proper enzymes, they could digest ...
Wednesday, March 13, 2013 at 4:46pm by bobpursley

chem - br bob is this right
What is the pH of a solution prepared by adding 4.000 grams of NaOH to a 50.00 mL of a buffer that is 2.00 molar both in acetic acid and sodium acetate? (Assume final volume is still 50.00 mL) * chem - DrBob222, Wednesday, April 21, 2010 at 10:52pm * chem - phil, Wednesday, ...
Wednesday, April 21, 2010 at 11:05pm by phil

Chemistry
This is ridiculous. Is your teacher a chem teacher? This is not a gas expansion problem, it is a chemicalreaction that makes more gas. XXXX ignites (meaning oxygen was there), and more hot gas (CO2, steam) is created. You might have had a few moles of hairspray solvent, but ...
Saturday, March 16, 2013 at 7:51pm by bobpursley

Science 4th grade
Nope. Fungi are often colorless -- like mushrooms. Check this site. http://scifun.chem.wisc.edu/CHEMWEEK/CHLRPHYL/Chlrphyl.html
Wednesday, September 3, 2008 at 9:19pm by Ms. Sue

chem
Ionic bonds and covalent bonds, which one is the stronger. My present teacher said that covalent bond is the strongest one. I learned ionic interaction is the strongest and many chem. books say so. Now i am confused. Is my present teacher right. Please explain this for me, and...
Tuesday, October 5, 2010 at 9:35pm by bun

chemistry
Well, this is a really late post lol. But to find the qcalorimeter, you must use the equation... qcalorimeter = Csp + (delta)T (delta)T is the same as what you used for qwater Csp -> you calculated this earlier in lab. "average heat capacity of the calorimeter" Hope this ...
Tuesday, April 6, 2010 at 12:01am by Matt

Advice...about chemistry degree Dr.Bob
Fos degree...well...this is interesting to speak about. I don't know but it's very very very unlikely to get a job here even if you have a masters degree in FOS unless someone dies or retires (that sounds really horrible but it's the truth..) There are 3 fields of FOS at my ...
Tuesday, March 25, 2008 at 11:20pm by ~christina~

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