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April 19, 2014

Search: organic

Number of results: 2,545

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

9th grade science
Carbs are organic. Lipids are organic. Proteins are organic.
Thursday, January 8, 2009 at 5:37pm by DrBob222

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

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

help biology honors please
The boundary between organic and inorganic compounds are somewhat...arbitrary. Historically, a compound that can be produced only by a life-form is considered organic, and technically all things organic contain carbon. However, all compounds carbon are not neccesarily organic...
Tuesday, November 4, 2008 at 9:40pm by Victor

Chemistry
KMnO4 is potassium permanganate and inorganic. CH3OH is methyl alcohol and is organic. C6H6 could stand for benzene and is organic. PdC12--I don't know this one. I wonder if you intended to type PdCl2 as in palladium chloride. That is inorganic. If it is really Pd with with 12...
Saturday, February 14, 2009 at 4:24pm by DrBob222

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

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

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
why wash the organic layer with distilled water?
Wednesday, November 17, 2010 at 2:15pm by Lisa

Organic Chemistry-pls check
I'm not an organic chemist but from what I can read I think the answer is a.
Sunday, February 24, 2008 at 3:14pm by DrBob222

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~

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

Organic Chemistry
the lower (organic) layer contains the benzoin. slightly soluble in water
Wednesday, November 17, 2010 at 2:15pm by Davia

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

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-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
Ko/a = (organic)/(aqueous) o = organic a = aqueous 5/100 = aqueous phase to start. Let x = g in organic phase in 25 mL ether; then (x/25) = concn in organic phase and (5-x)/100 = the amount left in the water phase. 4.0 = (x/25)/(5-x)/100 x will give you the amount in the ...
Thursday, February 24, 2011 at 11:31am by DrBob222

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

science
no one is exactly sure of how life came to be, but one theory is supported by the miller-urey experiment (research it if you're interested) the theory is about how life came to be from inorganic material on the young earth that was synthesized into organic material. though, ...
Saturday, March 12, 2011 at 2:15am by gin

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
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

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

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 (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

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
No. It is true that hexane is an organic molecule; however, glucose is an organic molecule, also. other choices included; glucose has fewer hydrogens than hexane. Glucose is C6H12O6; hexane is C6H12 so it can't be this one. hexane is an organic solvent and glucose is not an ...
Monday, August 9, 2010 at 5:41pm by DrBob222

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
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 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
Amines (organic bases) react with HCl to form ammonium salts. Organic salts dissolve in water.
Wednesday, February 4, 2009 at 12:03am by GK

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
an organic compound is any compound with carbon atoms in it! so hexane and glucose are both organic compounds.
Monday, August 9, 2010 at 5:41pm by Anonymous

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

chem
There are two ways to do this. 1. Ko/a = concn organic/concn aq and do that three times, taking the answer from the previous extraction to use for the new extraction. 2. Or you can do all of it at one time with fn = [(1 + Kd*(Vo/Va)]-n where fn = fraction solute REMAINING in ...
Monday, February 8, 2010 at 3:34pm by DrBob222

biology
The primary difference between organic compounds and inorganic compounds is that organic compounds always contain carbon while most inorganic compounds do not contain carbon. Also, almost all organic compounds contain carbon-hydrogen or C-H bonds.
Wednesday, October 23, 2013 at 4:30am by PsyDAG

Organic chemistry
CH3CH2CH2CH2OH + NaBr --> CH3CH2CH2CH2Br + NaOH. NaOH would react with H2SO4 to form Na2SO4 which may precipitate in a mixture of organic solvents.
Saturday, March 20, 2010 at 4:16pm by GK

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
I don't know what you've been told about the K but it can be written either K for organic layer/water layer or water layer/organic layer. The Ks I have seen USUALLY have been written as Korganic/aqueous. Ko/a = mass organic phase/mass aq phase. soil phase = organic phase = 100...
Friday, January 21, 2011 at 11:47pm by DrBob222

Organic chemistry
School subject is "organic chemistry" -- assistance needed.
Saturday, November 8, 2008 at 3:38pm by Writeacher

organic chemistry
School subject is "organic chemistry" -- assistance needed.
Saturday, November 8, 2008 at 3:43pm by Writeacher

Chemistry
I think you are close. You will find that the distinction between organic and inorganic is often somewhat nebulous. Yes, in general, organic compounds contain carbon and inorganic do not...but not always!! for example, carbon dioxide, sodium cyanide, and sodium bicarbonate are...
Saturday, February 9, 2008 at 4:05pm by DanH

Chemistry
You won't be when summer gets here for you will find I am NOT an organic chemist. I can help with VERY VERY basic organic but after the first two/three questions I run out of steam.
Sunday, May 13, 2012 at 6:39pm by DrBob222

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

BIOCHEMISTRY
From your other posts, I see that you may not have taken organic chemistry yet. Most universities require that you take and pass organic chemistry before you can take biochemistry. If UCI allows you to take biochemistry before taken and passing organic chemistry is beyond ...
Friday, January 25, 2013 at 9:18pm by Devron

Chemistry
Ko/aq = (concn org layer)/(concn aq layer) o is organic layer. aq is aqueous layer. I can't tell from your post if that is 0.13 g in 1.6 mL organic layer or if that is a period after benzoic acid. You need the concn in EACH layer and you list g only in the organic layer and ...
Monday, September 26, 2011 at 12:20pm by DrBob222

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

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

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

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
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

Science
In a wheelbarrow, you have 2 kilograms of soil for your garden. If 8 percent of it is organic matter( decayed materials from organisms), how many grams of organic matter do you have?
Thursday, February 28, 2008 at 4:04pm by Dee

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
I wonder if you meant to write dibenzalacetone? Add an organic solvent and NaHCO3 solution. Extract. The sodium salt of benzoic acid comes out in the water layer; the neutral compound stays in the organic layer.
Monday, October 1, 2012 at 12:38pm by DrBob222

Chemistry- DrBob222 Urgent Please help
I'm not an organic chemist; therefore, I'm not up to recent IUPAC standards so you should confirm whatever I write about organic. I would name these as follows: 1,4-butadiene 1-pentyne-3-ene 2-bromo-3-chlorohexane
Tuesday, November 26, 2013 at 10:42pm by DrBob222

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.

Organic Chem
Potassium tert-butoxide is a common base for E2 reactions because it is _______. A. weak base B. an organic base C. a strong base D. a bulky base
Friday, March 6, 2009 at 5:09am by nilee

Organic Chemistry
Both benzoic acid and triphenyl are organic solutes, and therefore will dissolve in organic solvents. (ie: diethyl ether) Benzoic acid (an acid) will react with a strong base (ie: NaOH) to form sodium benzoate (which is a water soluble salt) and aqueous NaCl. Therefore, if you...
Friday, October 22, 2010 at 3:58pm by Anonymous

CHEMISTRY
The usual way of expressing this is as organic/aqueous layer. I will assume that is the 7.33 value. Ko/a = 7.33. 7.33 = (concn organic layer)/(concn aq layer) Let x = grams in organic layer, then 9.81-x = grams in aq layer. 7.33 = (x/30)/(9.81-x)/100 Solve for x and 9.81-x
Sunday, September 9, 2012 at 9:12pm by DrBob222

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

Organic substances
I can only comment on shoes. Leather shoes, being made of cowhide, are organic. Shoes made of other materials are inorganic.
Saturday, October 2, 2010 at 6:52pm by Ms. Sue

organic chemistry
Are you making triphenylmethanol using a Grignard reagent or something different. I'm not an organic chemist; however, the two ways of increasing yields in the general field of chemistry is to a. increase the concn of the reactants. b. remove (distill or otherwise) the ...
Monday, March 8, 2010 at 4:17pm by DrBob222

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

Chemistry
P.S. I have heard that you are either a Gen Chemist or an Organic Chemist. (I am hoping to heck I am an organic chemist! But, I did well in Gen Chem, thanks in part to you.)
Sunday, May 13, 2012 at 6:39pm by Miaow

Organic Chem
organic chemistry lab and why is water the first choice for recrystallization when all factors are equal? Not quite sure what you mean by "all factors are equal" On the plus side: water is cheap, water can easily handled with out PPE, pH is easily adjusted, dissolves a wide ...
Monday, October 11, 2010 at 12:08am by Dr Russ

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

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
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

Organic Chemistry
I looked in my organic chem book (an old one), found the index, found ketones, looked under preparation, found two pages of preps. CH3CH2CH(OH)CH2CH3 + K2Cr2O7 ==> CH3CH2COCH2CH3
Wednesday, April 7, 2010 at 7:08pm by DrBob222

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
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

biology
Indeed this is often the case. There are some very poisonous naturally occurring materials, for example produced by fungi. If this is for an essay try not to compare 'evil' and 'safe' directly. Safe and unsafe we can define in someway, whereas words like 'evil' are emotive and...
Friday, October 15, 2010 at 6:57am by Dr Russ

organic chemistry
First, this doesn't look like an organic chem question to me. I don't know any organic chemistry but this one I can work. moles NaOH = Molarity NaOH x liters NaOH = ? Convert moles NaOH to moles H2SO4 this way. ?mols NaOH x (1 mole H2SO4/2 moles NaOH = ?moles NaOH x 1/2 = x ...
Tuesday, January 31, 2012 at 10:01pm by DrBob222

chemistry
I have no idea what procedure you used but the alkyl halide more than likely will be in the organic layer. The organic layer more than likely will be on top (but not always).
Thursday, April 16, 2009 at 12:08am by DrBob222

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

chemistry
a. Water b. a polar organic solvent c. a non-polar organic solvent.
Sunday, September 11, 2011 at 9:39pm by DrBob222

Language Arts (2nd Grade)
Use as little electricity as possible -- turn up the thermostat for air conditioning and turn it down for heating. Walk or bike, not drive, when possible. Don't litter. Eat organic foods. Plant an organic garden.
Friday, September 18, 2009 at 7:10pm by Ms. Sue

bio
4. In the Krebs cycle (or citric acid cycle), starting with citrate, what happens? a. Organic compounds become more reduced and CO2 is produced b. Organic compounds become more oxidized and CO2 is produced c. Some organic compounds become reduced and electron carriers become ...
Monday, April 6, 2009 at 7:53pm by doug

organic
Aren't these Grignard reactions? http://www.organic-chemistry.org/namedreactions/grignard-reaction.shtm
Thursday, November 20, 2008 at 10:45am by DrBob222

chemistry
Let x = grams in organic layer, then 2-x = grams in water layer. Kd = 20 Kd = g/mL in organic layer/g/mL in aq layer. Then organic layer = xgrams/13.9 mL aq layer = (2-x)grams/15 mL.
Sunday, November 24, 2013 at 5:49pm by DrBob222

science (chem)
The easiest way is to look up the densities of the organic layer and water. But you already know the density of water as 1.00 (at least close enough). The organic layer will be on top if it is less dense and on bottom if it is more dense.
Sunday, September 9, 2007 at 2:39pm by DrBob222

Chem II
No, it's the number of particles in the solution. For example, NaCl would have i = 2 (for 1 Na+ + 1 Cl-), Na2SO4 would have i = 3. MOST organic molecules, and that's usually the scenario with these two formulas, i = 1 becuase the organic molecules don't ionize in water.
Thursday, February 14, 2008 at 3:56pm by DrBob222

Chemistry
Until that time, everyone thought that the synthesis (creation) of organic compounds required a "vital force" or a "living force." Wohler's synthesis showed that was not the case. He synthesized an organic compound in the lab without using a living cell.
Monday, January 24, 2011 at 9:15pm by DrBob222

biology
what are organisms that can synthesize energy-containing organic compounds? organisms that add to the total energy stored in organic compounds? organisms that require sunlight in order to survive? choices: a) autotrophs b) heterotrophs c) both any help is greatly appreciated! :)
Sunday, October 18, 2009 at 10:59pm by Marina

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~

Math
If you pass general chemistry, then you can take organic chemistry. You pass general chemistry. 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
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

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

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

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

Principle of operation
Regarding extraction, the heading is: Descripton of method. Principle of operation. My description is: Extraction is based on the principle that a certain solute will dissolve in two immiscible phases, one of which is usually liquid. For example, where one liquid is water and ...
Saturday, October 7, 2006 at 8:51pm by Sheryl

help biology honors please
Did some more research: The name organic goes back to the 19th century when it was belived that they could only be synthesised by an organism. This was disproved when Friedrich Wohler syntheized urea, traditionally considered organic. Our concept of inorganic goes to the ...
Tuesday, November 4, 2008 at 9:40pm by Victor

chem
What is the strongest acid among the following? a. CH3COOH b. (Cl)CH2COOH c. (Cl)2CHCOOH d. (Cl)3CCOOH isnt it the most electronegative if the oxygens are the same? The strength of an organic acid depends on the degree of ionization. The chloride end attracts protons, pulling ...
Sunday, July 16, 2006 at 4:07pm by UTramos

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

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

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