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April 24, 2014

Search: organic chemistry!

Number of results: 44,178

Organic substances
Is adhesive tape organic or inorganic? Also are shoes organic? I think they might, be but Im not so sure. Are paper clips organic? They are made of some type of metal, but I don't think they are organic. Is an mp3 organic?
Saturday, October 2, 2010 at 6:52pm by Anonymous

Organic Chemistry
1. Why is diethyl ether a good choice for an organic solvent? 2. Why doesnít the neutral organic compound dissolve in 1.5 M sodium hydroxide solution?
Tuesday, November 4, 2008 at 12:15am by Dora

Organic Chemistry
Does anybody know of a website that explains organic nomenclature ? ...something along the lines "organic nomencluture for Dummies" would be great :-) I'm stuggling to underatand "Z-3-Bromo-6-methyloct-3-ene" let alone draw it ! Here is a site that might just be what you are ...
Monday, March 12, 2007 at 2:22pm by WeatherGirl

Chemistry
Why was the term "organic" originally chosen? Give an example of an original organic substance. My answer: The term organic was originally chosen because early chemists believed that certain chemicals were only found in living organisms. These chemicals were called organic ...
Saturday, October 2, 2010 at 6:37pm by Anonymous

organic Chemistry
In my Organic chemistry lab, the calculated enantiomeric excess was over 100% . Is this possible? and If not, what sort of error could have been made? *the observed optical rotation was read correctly
Monday, November 23, 2009 at 12:42am by jenny

Math
If you pass general chemistry, then you can take organic chemistry. You pass general chemistry. Āą You can take organic chemistry. Let P = you pass general chemistry Let Q = you can take organic chemistry I came up with P - >Q P therefore Q But my set up is wrong, how do I ...
Friday, January 21, 2011 at 3:56pm by Madison

Organic Chemistry
2. Why doesnít the neutral organic compound (Flourene) dissolve in 1.5 M sodium hydroxide solution?
Tuesday, November 4, 2008 at 1:51pm by Dora

chemistry-organic
what happens when sodium benzoate is added to dichloromethane? what is the organic and aqueous layer of this product?
Wednesday, April 1, 2009 at 10:15am by Nancy

organic chemistry
Write equations showing how caffeine could be extracted from an organic solvent and subsequently isolated
Tuesday, April 16, 2013 at 10:16am by Kelli

Organic Chemistry
Explain why methanol and acetone are not suitable solvents for extracting organic compounds from aqueous solutions.
Thursday, January 21, 2010 at 12:41am by Casey

organic chem
organic chemistry lab and why is water the first choice for recrystallization when all factors are equal?
Monday, October 11, 2010 at 12:06am by sharon

organic chemistry
Explain why Grignard reagent cannot be prepared from an organic halide that contains a hydroxyl (-OH), a carboxyl (-COOH), a thiol (-SH), or an amino (-NH2 or -NH) group.
Sunday, March 8, 2009 at 5:00pm by Anonymous

Chemistry
Name two organic compounds that cannot be extracted effectively from an aqueous solution by means of an immiscible organic solvent such as diethyl ether or cyclohexane
Sunday, January 22, 2012 at 2:52pm by Leesa

Soxhlet extractor
Does anyone know what kindo of chemistry lab course(Organic, Physical, etc.) might use a soxhlet extractor in the experiments? Sheryl http://en.wikipedia.org/wiki/Soxhlet_extractor Certainly Organic It is used in organic chemistry. The URL provided by Lance will give the ...
Monday, October 9, 2006 at 5:30pm by Sheryl

Organic Chemistry 1
Why does iodine absorb organic molecules? This question is referring to the effect of the iodine chamber used in TLC.
Friday, October 24, 2008 at 6:40pm by Audrey

Chemistry
To neutralize a 0.5192 g organic acid, 44.0 mL NaOH solution (1.00 ml ~ 1.12 mL HCl ~ 0.0100 g CaCO3) is required. What is the equivalent weight of the organic acid?
Tuesday, January 21, 2014 at 4:17am by Summer

organic chemistry
a careless organic chemistry student was performing "competing nucleophiles in nucleophilic substitution reactions" experiment , and left his container of tert-butyl chloride and tert-butyl bromide open to the air for several hours. what happened to the composition of the ...
Monday, October 22, 2012 at 10:00pm by lyly

Chemistry
1. If you became confused and did not know whether a flask contains an aqueous layer or an organic layer, how would you find out which it is? 2. Write a balanced reaction for the reaction of Aspirin is precipitated from the basic aqueous solution by the addition of HCl. 3. ...
Monday, September 17, 2012 at 12:29am by Cassie

Organic Chemistry/Biology
My text has a review of some chemistry before getting into the biology bit. I have come to a question "what are 3 characteristics/features of an organic compound." My book seems to only have the general they all have carbon. The rest goes into depth about the different classes...
Thursday, September 20, 2007 at 10:31pm by Lena

chemistry
How do you make a venn diagram of the 6 branches of chemistry? (Inorganic chemistry, organic chemistry, biochemistry, nuclear chemistry, physical chemistry, and analytical chemistry) like where would they go in the 3 circles
Sunday, August 26, 2012 at 10:10pm by jake

Chemistry (URGENT)
I have a test soon. If you can help me with these questions, that would be great. 1. Define and describe the following. a)Alkaline - metal - base b)Corrosive - burn/eat away - acid c)Caustic - harsh - both? (acid + base) d)Low pH - 0-6.99 - acid Please check my answers and ...
Wednesday, March 3, 2010 at 2:54am by John

Chemistry
Hey; I am doing a lab write up that has to do with NMR spectroscopy. Part of it asks to determine how many nonequivalent protons are in the compound 2-chloro-6-methylaniline, among other things. My problem is this is for kinetics class but this part of it has to do with ...
Tuesday, February 26, 2008 at 9:32am by Tracy

chemistry
In the extraction of an organic compound from a dilute aqueous solution, will the organic solvent form the uppoer or lower layer when each of the following solvent is used? a. chloroform b. cyclohexane c. heptane d. dichloromethane
Tuesday, September 23, 2008 at 5:25pm by Poole

organic chemistry
gas chromatographic analysis of a mixture of organic compounds gave the following peak areas: 2-hexene= 2.5 2-bromogexane=4.0 2-henanol=1.8, calculate the mole percent compostion of the mixture
Wednesday, March 14, 2012 at 12:30pm by jessica

chemistry
Which solvent would dissolve each of the following compounds?(water, a polar organic solvent, or a nonpolar organic solvent) a) NaI b) H3CCH2CH2OH C)H3CCH2CH2CH2CH2CH2CH2CH3
Sunday, September 11, 2011 at 9:39pm by lon

chemistry
A student tipped the watch glass and spilled the solution containing organic component X. Use the data given below to estimate the percent of organic solid X in the sample. Mass of sample 0.6084g Mass of water soluble component, Y 0.1565g Mass of insoluble component, Z 0.2293g...
Monday, April 9, 2012 at 6:14pm by Vanilla

Chemistry
In an organic chemistry lab, why is the organic layer usually the upper layer in the separatory funnel while the aqueous layer is usually the bottom layer?
Wednesday, November 16, 2011 at 11:14am by Rachel

organic chemistry
Show the reaction of 1-naphthylamine hydrochloride with sodium hydroxide using structural formulas. Indicate which layer (aqueous or organic) each component in the reaction will mainly reside in (for both products and reactants). How is this done?
Thursday, February 5, 2009 at 11:39pm by sarah

Organic Chemistry
The separation of a mixture of benzoic acid and benzoin in dichloromethane into its pure compounds by a combination of solvent extraction , distillation and recrystallization. Why is carbon dioxide evolved when the organic solution is shaken with sodium bicarbonate? what is ...
Wednesday, November 17, 2010 at 2:15pm by Davia

chemistry
1)when benzoic acid and quinine is dissolved in CH2Cl2 and added 2M NaOH, what is the organic layer and what is the aqueous layer? a)and by adding another 2M NaoH to the organic layer, what is the new aqueous layer and organic layer? b)from (1), if we add CH2Cl2 to the aqueous...
Tuesday, March 31, 2009 at 7:34am by Nancy

organic chemistry
Why does the alkyl halide layer switch from the top layer to the bottom layer at the point where water is used to extract the organic layer?
Monday, October 24, 2011 at 11:46am by Ivy

chemistry
A closed vessel with volume of 226.9mL initially contained air at 680.8mmHg at 16.5 degrees celcius. A sample of an organic liquid of mass 0.113g was injected into the flask which was then warmed to 124.9 degrees celcus causing all the organic liquid to vaporise. The final ...
Wednesday, March 31, 2010 at 3:58am by T

Chemistry
A .288 g sample of an unknown monoprotic organic acid is dissolved in water and titrated with a .115 M sodium hydroxide solution. After the addition of 17.54 mL of base, a pH of 4.92 is recorded. The equivalence point is reached when a total of 33.83 mL of NaOH is added. What ...
Sunday, June 8, 2008 at 9:47pm by johnny

college
Organic chemistry question. I need help with a couple of questions on organic groups. What are some products that contain: Alkynes, Aromatic (benzene), Ethers, Aldehydes, Ketones, and Acids. I also need to know some of the harmfull effects that each one of them can cause.
Sunday, October 24, 2010 at 5:12pm by Tom

Chemistry
Hi, Why are ionic compounds generally insoluble in organic solvents while covalent compounds are generally soluble in organic solvents? Can you please explain in more detail? Thank you.
Wednesday, March 4, 2009 at 5:21pm by Aline

science(chem)
Indicate the correct waste container for the following compounds choices are halogenated organic, nonhalogenated organic, aqueous, and organic solid a)hexane b)methylene chloride (dichloromethane) c)magnesium sulfate d)10% NaOH e)sodium hypochlorite for d)10% NaOH would it be ...
Sunday, September 2, 2007 at 4:49pm by ~christina~

Chemistry
Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. In the simplest case, ethene (C2H4) and H2 form ethane (C2H6). If 124 kJ is given off per mole of C2H4 reacting, how much heat is ...
Tuesday, October 19, 2010 at 11:52pm by Jo

Chemistry
Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. In the simplest case, ethene (C2H4) and H2 form ethane (C2H6). If 124 kJ is given off per mole of C2H4 reacting, how much heat is ...
Friday, October 22, 2010 at 9:29pm by HELP !

9th grade SCIENCE
I have to list 5 different organic compounds; list different types for each; name; structure; properties; and uses. I am a bit confused as to what an organic compound actually is. I know it must contain a carbon, but would vegetables or household foods be considered organic ...
Friday, February 26, 2010 at 3:56pm by 6739

Chemistry
For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine, fuctional group, isomers. a. Organic compounds with identical molecular formulas that differ in the order the atoms ...
Tuesday, July 20, 2010 at 2:43pm by Elisabeth

Chemistry
For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine, fuctional group, isomers. a. Organic compounds with identical molecular formulas that differ in the order the atoms ...
Tuesday, July 20, 2010 at 2:43pm by Elisabeth

extraction
How to distingush organic layer and aqueous layer? The organic layer is the one on top. Most organic solvents are less dense than water. (NOte: Non-hydrocarbons such as chloroform, methylene chloride, carbon tetrachloride etc are more dense than water.)
Tuesday, August 21, 2007 at 12:47am by bb

organic chemistry
Write a complete mechanism. Explain each step. Explain the stereo chemical changes. Compare the HNMR peaks of the substrate and the organic product Indicate missing peaks and newly formed peaks in the product. CH3CH2CH2CH3 + Cl2/light--- CH3CHCLCH2CH3 =HCL
Sunday, November 30, 2008 at 8:54pm by Anonymous

college chemistry
a 20.3 sample of an organic compound was ground with 442 mg of camphor to form an intimate mixture melting at 170.3 degree C. What is the apparent formula weight of the organic compound ? (Kf of camphor=37.7 degree C/m M.P. of camphor= 178.4 degree C)
Monday, December 6, 2010 at 12:34pm by Cami

organic chem
Suggest a synthesis for olivetol from benzene and any necessary organic and/or inorganic reagents.
Tuesday, April 26, 2011 at 5:14am by lauder

Organic Chemistry
I just finished an organic chemistry lab experiment on separating and analyzing an unknown acid/neutral compound mixture using extraction, recrystallization, TLC, melting point analysis, and IR spectrum. In the instructions, "Obtain an IR spectrum for each of your ...
Monday, December 6, 2010 at 12:16am by Kate

chemistry
why do organic reactions occur more slowly than inorganic reactions (those that contain ionic bonds)? In inorganic reactions the ions merely need to get close enough to attract between + and - charges. Organic compounds are not ionic (some are polar); therefore, the atoms are ...
Wednesday, January 10, 2007 at 8:33pm by joe

Science
What is the difference between organic and inorganic compounds? Carbon. Organic compounds are all carbon compounds, except CO2. http://dictionary.reference.com/browse/organic%20compounds
Friday, August 17, 2007 at 8:49pm by KK

chemistry
what are 4 chemical properties of organic compounds?i know there non polar molecules and they tend to e soluble in non polar solvents,,but my homework says i need 2 more and i dont know what else..thanks :) Some organic compounds are non-polar and some are polar. In fact, ...
Wednesday, January 3, 2007 at 10:08pm by tameka

biology
Organic compounds-a)carbohydrates b)lipids c)proteins d)nucleic acid (Explain what each organic compound is and why it is important to the cell)
Wednesday, January 13, 2010 at 7:29pm by kim

Chemistry
A dilute aqueous solution of an organic compound soluble in water is formed by dissolving 2.35 g of the compound in water to form 0.250 L solution. The resulting solution has an osmotic pressure of 0.605 atm at 25 Celsius. Assuming that the organic compound is a nonelectrolyte...
Monday, February 6, 2012 at 9:10pm by Jeremy

chemistry
what experimental difficulty would you encounter if you had neglected to include a drying step before evaporating the ether solution of the neutral organic compound? Water was added to the organic solvent ,but a drying agent wasn't added. So would the difficulty be a ...
Sunday, November 9, 2008 at 12:53pm by jason

Chemistry
Tell me a website from where i can get full information regarding IUPAC nomenclature of organic chemistry. It's rules, inforamtion everything.
Wednesday, April 8, 2009 at 4:54am by Akash

Organic chemistry: dehydrohalogenation
Hello. I know you guys don't do organic chemistry but because I got so much help from you guys in general chemistry, I was wondering if you guys can help me out again. :P Here's my question. In dehydrohalogenation, how do you know whether a reaction is E1 or E2? My textbook ...
Wednesday, October 10, 2007 at 11:21pm by Steven

Chemistry
Please help-I need to give at least three examples of how heat, solutions,equillibrium, nuclear and organic chemistry are interrelated. Thank you
Monday, May 31, 2010 at 12:42pm by Aubrey

Chemistry
Please help-I need to give at least three examples of how heat, solutions,equillibrium, nuclear and organic chemistry are interrelated. Thank you
Tuesday, June 1, 2010 at 8:55am by Aubrey

Chemistry
This is the first in a series of hw pages. If anyone would be able to help me with this one I think I would be able to complete the other 20 hw questions I have. Thanks to anyone that helps. For each definition, find a corresponding term from the following list: alkane,alkene...
Tuesday, July 20, 2010 at 3:37pm by Drew

chemistry
discuss if and when melting points can be used to determine the purity of organic and inorganic compounds and if and when melting points can be used to identify organic and inorganic compounds.
Tuesday, January 18, 2011 at 3:07pm by ben

biology
identify what all organic compounds have in common,and list the four principal classes of or organic compounds
Wednesday, September 23, 2009 at 7:02pm by steven

chemistry
what is organic matare
Tuesday, August 23, 2011 at 4:07am by menbre

biology
which of these would lead to an increase in carbon dioxide in the atmosphere a- decrease in animal respiration b- decrease in plant respiration c- an increase in photosynthesis d- an increase in auto and factory emissions 2. which activity occurs during the process of ...
Monday, December 23, 2013 at 1:34pm by anonymous

chemistry
Does anybody know any websites that there are chemistry labs that could possibly be used in a CSI investigation? I canít find anything. http://antoine.frostburg.edu/chem/senese/101/organic/faq/amino-acid-test.shtml
Saturday, February 24, 2007 at 5:32pm by Ron

OChem
1. if and when boiling points can be used to determine the purity of organic compounds. 2. if and when boiling points can be used to identify organic compounds. 3. when can fractional distillation be used to separate organic compounds
Sunday, September 23, 2012 at 6:31pm by Mia

Chemistry
Please help-I need to give at least three examples of how heat, solutions,equillibrium, nuclear and organic chemistry are interrelated. Any help would be greatly appreciated-I'm desperate Thank you
Wednesday, June 2, 2010 at 2:02pm by Aubrey

organic chemistry
why can't you have 2-ethylheptane?
Tuesday, April 29, 2008 at 2:40am by Jay

chemistry
define organic compound?
Sunday, September 28, 2008 at 10:40am by Anonymous

Organic Chemistry
1-Methylcyclohexene + HCl/Ph-O-O-PH -->
Tuesday, November 11, 2008 at 1:58pm by Ken

Intro to Astronomy
The half-life of carbon 14, which is commonly used to date organic materials, is 5700 years. What is the minimum age of sample in which less than 1% of the organic carbon 14 is left?
Thursday, February 9, 2012 at 11:00pm by M.T.

chem - pressure
A closed vessel with volume of 226.9mL initially contained air at 680.8mmHg at 16.5 degrees celcius. A sample of an organic liquid of mass 0.113g was injected into the flask which was then warmed to 124.9 degrees celcus causing all the organic liquid to vaporise. The final ...
Wednesday, March 31, 2010 at 4:00am by T

Organic chemistry
what is the line structure for 2-butanol?
Wednesday, February 4, 2009 at 11:20am by Andrea

Organic Chemistry
What is the chemical name for C7H13O?
Tuesday, February 9, 2010 at 7:26pm by Max

Organic Chemistry
What is the substrate of the enzyme amylase?
Sunday, February 20, 2011 at 4:35pm by Anne

Organic Chemistry III
What is a Chaser Solvent?
Monday, April 11, 2011 at 7:58am by Amandla

organic chemistry
calculate the pH of a 1.25 x 10^-3 M HNO3 solution
Monday, May 2, 2011 at 2:07pm by kathy

Organic chemistry
2- butanol + 2-pentanoic acid
Thursday, June 16, 2011 at 11:44pm by Shark

organic chemistry
What is the general formula of cycloalkane ?
Thursday, September 8, 2011 at 7:38pm by sima

organic chemistry
how could you obtain benzaldehyde from toluene?
Thursday, October 20, 2011 at 4:35am by brock

Organic Chemistry
What is the Product of 1,4-Cyclohexadiene + KMnO4?
Thursday, February 7, 2013 at 3:32pm by Anonymous

Chemistry
Why organic compound are volatile in nature
Sunday, April 6, 2014 at 10:16pm by M.ayyaz

organic chem
extraction lab: suppose that aqueous and organic (diethyl ether) layers were not mixed thouroughly predict the effect that this would have on the results in your answer, consider melting point temperature of benzophenone thx
Wednesday, June 16, 2010 at 8:44pm by jay

Chemistry
Hi Everyone, Please Give me two examples of organic compound that have two different functional side groups groups. Please list the functional side groups for each organic compound.
Thursday, November 10, 2011 at 8:41pm by Allan

Organic Chemistry
Rank the following compounds in DECREASING
Monday, October 25, 2010 at 4:49pm by Please help

Organic Chemistry
How does acetaldehyde impurity arise in the fermentation?
Sunday, October 14, 2007 at 7:14pm by Kay

organic chemistry
What is the purpose of the outerjacket on a fractionating column?
Saturday, December 1, 2007 at 5:12pm by kales

organic chemistry
What is the newman projection of meso-2,3-dichlorobutane?
Thursday, July 24, 2008 at 1:40pm by jon

ORGANIC CHEMISTRY
WHAT IS THE BEST COMBINATION OF REACTANTS FOR CH3CH2CH2CH2OCH3
Sunday, July 27, 2008 at 10:47am by Jake

organic chemistry
what is the lewis dot structure for H2NO?
Thursday, September 4, 2008 at 7:39pm by anne divo

Organic Chemistry
Do you expect acetaminophen to be soluble in water? why or why not?
Wednesday, February 4, 2009 at 4:48pm by Amy

Organic Chemistry
Do you expect acetaminophen to be soluble in 1.0 M NaOH? why or why not?
Wednesday, February 4, 2009 at 4:49pm by Amy

Organic Chemistry
Carbocation: In which reaction mechanism is it an intermediate?
Tuesday, December 8, 2009 at 10:43pm by Cerise

Chemistry
What are the major organic products of this reaction: CH3CH2CH2COCH2CH3
Sunday, March 21, 2010 at 8:20pm by Bobby

college
organic chemistry 121-------------how to do dimensionalysis solving..
Monday, April 5, 2010 at 5:23pm by lisa

chemistry
What is the name of the following organic compound? CH_3CH_2CCCH_2CH_2CH_3
Saturday, September 11, 2010 at 12:47pm by Mely

Organic Chemistry
Why does eugenol and d-limonene dissolve in dichloromethane?
Friday, February 11, 2011 at 1:48pm by Mel

Organic Chemistry
how to calculate specific observed rotation?
Tuesday, June 7, 2011 at 7:57am by Tee Kay

CHEMISTRY
Why must an organic layer be washed with NaOH?
Sunday, October 9, 2011 at 2:47pm by Ashley

organic chemistry
malonic ester with urea gives
Friday, January 11, 2013 at 2:26pm by navraj

organic chemistry
how do I to draw cyclopropane of bond rotation?
Sunday, February 3, 2013 at 12:30am by sjlual

chemistry
why do we add anhydrous ether to organic mixtures?
Tuesday, July 30, 2013 at 11:11pm by Anonymous

Organic Chemistry
Is ethyl cyclohexane optically active?
Thursday, September 5, 2013 at 11:04pm by Lisa

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