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April 16, 2014

Search: Ethyl 4-aminobenzoate

Number of results: 106,519

science
an ethereal solution contains benzoic acid, 9-fluorenone, and ethyl 4-aminobenzoate. why would ethyl 4-aminobenzoate and 9-fluorenone not be extracted from this ethereal solution by aqueous base?
Monday, October 18, 2010 at 5:17pm by Amy

Organic Chemistry
How would you purify Fluorene contaminated with ethyl-4-aminobenzoate? What method and solvent you would use? Please help...
Monday, March 2, 2009 at 12:57am by Scott

Chemistry
An etheral solution contains benzoic acid, 9-fluorenone, abd ethyl 4-aminobenzoate. Why would benzoic acid and 9-fluorenone not be extracted from this etheral solution by aqueous HCl ?
Tuesday, May 15, 2012 at 5:10pm by Samantha

O-CHEM
Considering the tube wherein HCL (1 M) was added to ethyl 4-aminobenzoate. a) what reaction would occur in the tube? b) write a balance equation that supports your explanation above? c) describe what would happen if u added NaOH (6 M) to the same tube? please help!! thank you
Tuesday, February 3, 2009 at 11:22pm by Nina

Chemistry
Considering the tube wherein HCL (1 M) was added to ethyl 4-aminobenzoate. a) what reaction would occur in the tube? b) write a balance equation that supports your explanation above? c) describe what would happen if u added NaOH (6 M) to the same tube? please help!! thank you
Wednesday, February 4, 2009 at 2:48am by Neets

chemistry quick question
...just change the methyl part to ethyl.... 2-ethyl-4-heptanol!
Monday, March 25, 2013 at 10:08pm by Elizabeth

Chemistry
Draw a bond-line formula for 4-ethyl-2,2-dimethylhexane
Sunday, October 4, 2009 at 8:50pm by Adam

Geometry
wrong
Wednesday, November 7, 2012 at 9:09pm by 4

Chemistry
What is wrong with the names 2-ethyl-4 and 4-dimethylpentane?
Monday, September 3, 2012 at 5:10pm by Joy

Organic chemistry
Well .4ml of ethyl acetate, But then it tells you to to .4 ml pf ligroin
Wednesday, February 6, 2013 at 6:49pm by James

chemistry
H2O and ethyl acetate.
Thursday, December 1, 2011 at 6:20am by DrBob222

4
What is premature death? A. Dying at the average age of death for a specific population group B. Dying after the average age of death for a specific population group C. Dying earlier than the average age of death for a specific population group D. Dying before one’s self-...
Sunday, March 4, 2012 at 4:24pm by desha

Organic Chemistry
How do I draw the condensed formula for: 1. 2,3-dimethyl-2-butene 2. 4-ethyl-2-hexyne 3. 3,3,6-trimathylnonane 4. 3-ethyl-4-propylheptane 5. 3-octanol
Sunday, September 30, 2007 at 3:47pm by Katrina

organic chemistry
Is this a correct structure? CH3CH2 CH3CHCHCH2CH3 CH3 with a name of 3-ethyl 4-methyl hexane?
Wednesday, September 19, 2007 at 12:56pm by AMY

Chemistry
1 is 2-methyl-4-ethyl-2-heptene. I can not guarantee that this follows all of the IUPAC rules.
Tuesday, June 8, 2010 at 7:39pm by DrBob222

chemistry
Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.
Tuesday, November 12, 2013 at 9:00am by mona

chemistry
Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Plaese help!!!!!
Wednesday, November 13, 2013 at 11:26am by mona

chemistry
Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!
Wednesday, November 13, 2013 at 9:19pm by mona

chemistry
Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!
Thursday, November 14, 2013 at 9:21am by mona

Chemistry
For the Following sets of compounds determine the best solvent, by looking at structure, also by looking at solubility vs. temp. Which is the best solvent for crystalization, in which the compound is too soluble, and in which solvent the compound is not sufficiently soluble? 1...
Tuesday, September 21, 2010 at 12:19pm by Tammy

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

Science
Write a mechanism for the Claisen reaction of ethyl ethanoate (ethyl acetate) to give ethyl acetoacetate?
Monday, April 18, 2011 at 1:56pm by Jamie

thanks
i never get help for any questions on this website.
Tuesday, November 18, 2008 at 3:29pm by 4 nothing

social studies
it was and truly is beeswax i look it up on a website in National Geographics
Thursday, November 16, 2006 at 5:47pm by lishame #4

Math
Factor completely 3x^5-27x^4+21x^3
Monday, April 26, 2010 at 3:40pm by Lucky 4

College Alg.
Multiply. (-4n)^2 (2n^2)^3= ^=to the power of
Monday, April 26, 2010 at 3:42pm by Lucky 4

Math
Thank you so much
Monday, April 26, 2010 at 3:40pm by Lucky 4

response
what should i write for a response?!
Wednesday, September 22, 2010 at 6:44pm by Anonymous 4

math
x^4+3x^3-x^2+6 for x=-3 -3^4+3x-3^3-(-3^2)+6 -81+3x-3^3-(-3^2)+6 81+-24=57
Friday, September 24, 2010 at 9:20pm by Anonymous 4

native americans
how did the major explorers of new york interact with native populations
Sunday, December 19, 2010 at 12:51pm by 4 grade

hekasi
Mag-bigayng limang msgagandang tanawin o atraksiyong matatagpuan sa Rehiyon XI.Pagkatapos ay pumili ng isa sa mga ito na sa palagay mo ay nararapat marating o mabisita ng bawat pilipino.Isulat ang iyong paliwanag sa kahon na nasa kabilang pahina.
Wednesday, December 14, 2011 at 8:26am by GRADE 4

english grammar
I have learned what the most important basis skill for teamwork. For a successful teamwork, team members must have team conditions: clear goals, common responsibility, open communication, mutual respect and flexibility. Open communication and mutual respect is very import for...
Tuesday, December 20, 2011 at 12:26pm by natty 4

College Physics
Two particles are fixed to an x axis: particle 1 of charge -7.93 x 10-7 C is at the origin and particle 2 of charge +7.93 x 10-7 C is at x = 14.6 cm. Midway between the particles, what is the magnitude of the net electric field?
Sunday, July 8, 2012 at 9:28pm by Stephanie22-4

math
Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilities to the elements in the sample space. (Give your answers as fractions.) Red...
Thursday, May 30, 2013 at 11:15pm by Nora 4

Math
Consider the following. P(A) = 0.27 and P(B) = 0.36, A and B are mutually exclusive events (a) Find the probability P(A). (Give your answer correct to two decimal places.) (b) Find the probability P(B). (Give your answer correct to two decimal places.) (c) Find the probability...
Thursday, May 30, 2013 at 11:40pm by Nora 4

math
Find P(B). (Give your answer correct to two decimal places.) A and B are independent events, P(A) = 0.59 and P(A and B) = 0.25
Thursday, May 30, 2013 at 11:45pm by Nora 4

math
I worked this one 0.25/0.59 and got the answer of .42372. Could not find the formula to see if this one you added, multiplied, or subtracted the way it was written.
Thursday, May 30, 2013 at 11:45pm by Nora 4

math
I have done that to another one and posted how I worked it out, so if you don't mind will you look at it and see if I am on the right track. I have done several but I found formulas to use from the book but sometimes I do not understand what the book has..
Thursday, May 30, 2013 at 11:55pm by Nora 4

Math
A. I put 0.27 b. 0.36 c. 0.56 because I multiplied them both together. d. I put 0.56 also but that was wrong????? I got the whole thing wrong
Thursday, May 30, 2013 at 11:40pm by Nora 4

math
I got 1/3 for red I got 2/3 for yellow and 1/3 for green but they was wrong, Since you only have three colors I put that on the bottom and went by equal numbers on top. Can someone explain this to me.
Thursday, May 30, 2013 at 11:15pm by Nora 4

math
Sorry my mouse keeps moving and I type on the wrong one...
Thursday, May 30, 2013 at 11:55pm by Nora 4

math answer check
Three coins are tossed, and the number of heads observed is recorded. (Give your answers as fractions.) (a) Find the probability for 0 heads. Incorrect: Your answer is incorrect. . Your answer cannot be understood or graded. More Information Redone 0/3 was my answer (b) Find ...
Saturday, June 1, 2013 at 4:34pm by Nora 4

Ochem Lab
Suggest an appropriate reducing reagents for the following substrates and predict the reaction:(1) 2-hexanone, (2)ethyl 4-nitrobenzoate, (3) hexanal
Sunday, February 8, 2009 at 11:55pm by sady

chemistry
How much ethyl alcohol (C2H5OH) must be added to 1.00 L of water so that the solution will not freeze at -4F?
Saturday, March 6, 2010 at 9:35am by ray

chemistry
can someone tell me how to draw the condensed structure for 4-ethyl-3,3,4-trimethyloctane and 2-methyl-5-(2-methylpropyl)nonane
Monday, February 14, 2011 at 1:02pm by jessie

physics
You have exactly 1 L of ethyl alcohol at room temperature 23 C. You put it in a refrigerator at 4 C.What's its new volume?
Thursday, April 19, 2012 at 7:01am by I

CHEMISTRY PLEASE HELP
Write an isomer of structure for a), b) and c) and name them. a) 3,3-dimethylpentane b)3-methyl-4-ethyl-1-hexyne c)3,3,4-trimethyl-1-pentene
Wednesday, November 13, 2013 at 7:25pm by michelle

Chemistry
Hey Everyone I was wondering how I could write the condensed structural formula for the following organic chemicals: 1. 2,3-dimethyl-2-butene 2. 4-ethyl-2-hexyne 3. 3,3,6-trimethylnonane 4. 3-ethyl-4-prophylheptane 5. 3-octanol 6. 2-methyl-2-pentene 7. 5-methyl-1-hexene 8. 2,2...
Tuesday, January 1, 2008 at 4:31pm by Matt

science
it is an organic molecule, ethyl alcohol
Sunday, September 6, 2009 at 7:04pm by bobpursley

chemestry
sorry its 5-ethyl-2-hexyne
Wednesday, April 28, 2010 at 10:11pm by yaimery

organic chem
Yes, you forgot the ethyl group.
Wednesday, February 20, 2013 at 8:13pm by Devron

Chemistry
Ethyl alcohol which is prent in many beverages molecular formular C2H6O.If 9.2g of ethyl alcohol are available.Calculate number of molecular of ethyl alcohol 9.2g of ethyl alcohol.
Sunday, March 24, 2013 at 4:14am by Anonymous

TLC
The following two solvents systems were found to separate compounds x and y by flash column chromatography: X- hexanes/ethyl acetate 10:1 Y- hexanes/ethyl acetate 10:4 which is more polar X or Y? Which solvent system must be used first?
Sunday, February 18, 2007 at 11:36am by sue

CHEMISTRY
In a chemically active extraction, a three-component mixture of acetylsalicylic acid, acetaminophen, and caffeine in ethyl acetate solution is separated into its individual components first by extraction with a pH 8 buffer solution, then a subsequent extraction with dilute ...
Sunday, September 9, 2012 at 10:13pm by Gabby

Chemistry
I don't know what 2-ethyl-4 is. The 4-dimethylpentane doesn't tell you where the two methyl groups are located.If both are on 4, then it would be 4,4-dimethylpentane.
Monday, September 3, 2012 at 5:10pm by DrBob222

Chemistry- DrBob222
CH3-CH2-C(CH3)2-CH3-CH3 is the 3-3 dimethylpentane. So just move one of the methyl groups to make it 2,3-dimethylpentane or 2,4-dimethylpentane or put both CH3 group on the 2 C to make 2,2-dimethylpetane. For 3-methyl-4-ethyl-1-hexyne why not put methyl group on 3 and ethyl on...
Wednesday, November 13, 2013 at 9:02pm by DrBob222

Chemistry
You have the alkane C6H17. What is the IUPAC name. I tried heptane and 4-ethyl-3-methylheptane, but it still says my answer is wrong. What would be the answer then.
Saturday, November 15, 2008 at 1:39am by George

Chemistry
You have the alkane C7H17. What is the IUPAC name. I tried heptane and 4-ethyl-3-methylheptane, but it still says my answer is wrong. What would be the answer then.
Saturday, November 15, 2008 at 9:37pm by George

Chemistry
You have the alkane C7H16. What is the IUPAC name. I tried heptane and 4-ethyl-3-methylheptane, but it still says my answer is wrong. What would be the answer then.
Saturday, November 15, 2008 at 11:24pm by George

Ochemistry
Suggest an appropriate reducing reagent for the following substrates and predict the product of the reactions : (a) 2-hexanone (b) ethyl 4-nitrobenzoate (reduction of the nitro group) (c) hexanal Would NaBH4 work for all of them ? Please help !
Thursday, February 5, 2009 at 10:05pm by Blair

Chemistry -Please help !
Suggest an appropriate reducing reagent for the following substrates and predict the product of the reactions : (a) 2-hexanone (b) ethyl 4-nitrobenzoate (reduction of the nitro group) (c) hexanal
Friday, February 6, 2009 at 5:23pm by cassie

Organic chemistry
Suggest an appropriate reducing reagent for the following substrates and predict the product of the reaction: a) 2-hexanone b) ethyl 4-nitrobenzoate (reduction of the nitro group) c) hexanal
Saturday, February 7, 2009 at 2:14am by Jane

Chemistry
How would you prepare a 25.0% water in ethyl alcohol solution using 100.0 ml of ethyl alcohol (The density of ethyl alcohol is 0.7893 g/ml)
Friday, August 24, 2012 at 3:12pm by Hunter

orgoo
calculate how to make 10 mL of 15:85 ethyl acetate:hexane solution from 2 mL of 5:95 ethyl acetate:hexane, using pure hexane and pure ethyl acetate.
Saturday, October 13, 2012 at 9:56pm by Jess

chem
calculate how to make 10 mL of 15:85 ethyl acetate:hexane solution from 2 mL of 5:95 ethyl acetate:hexane, using pure hexane and pure ethyl acetate.
Sunday, October 14, 2012 at 1:01pm by Julie

college orgo
calculate how to make 10 mL of 15:85 ethyl acetate:hexane solution from 2 mL of 5:95 ethyl acetate:hexane, using pure hexane and pure ethyl acetate.
Monday, October 15, 2012 at 6:53pm by sara

organic chem
oh sorry, I wrote the ethyl group on my equation just didn't write it on the forum. Anyway, I'm curious how did you do the first one. Where did the ammonia come into play? It looks like you lost the -anoic acid group and replaced with the ammonia (NH3). And why did the ethyl ...
Wednesday, February 20, 2013 at 8:13pm by meghan

chemistry quick question
I need help with something and can't find this anywhere online. my structure looks like this OH CH2 CH3CH2CH2CHCHCH2CH3 CH3 So that OH looks like it is on a ethyl group. I need to write the IUPAC name and I wrote 3-methyl-4-heptanol but realized my mistake as that would ...
Monday, March 25, 2013 at 10:08pm by michelle

marketing
200-300 word response to the Marketing Concepts: Discussing Choices and Ethical Issues, question #6 found on p 532 of the text.
Friday, September 18, 2009 at 9:56pm by Destine 4 Success

4 grade math
find a rule for the output values. write the rule as an eqution that includes the variable A and B. 1. output B: 5,7,9,11 2. output B: 10,7,4,1 3. output B: 6,12,24,48
Tuesday, October 13, 2009 at 3:21pm by 4 grade math

Algebra1
17x+5=-3(4)
Thursday, August 23, 2007 at 9:51pm by 17x+5=-3(4)

Liberal Arts Math
LM = 4 in MN = ?
Thursday, May 10, 2007 at 9:14pm by LM = 4 in

Liberal Arts Math
LM = 4 in MN = ?
Thursday, May 10, 2007 at 9:14pm by LM = 4 in MN=?

english
I do not think so. I just checked out a book of his poems from the library and it seems more of a quiet, country theme. I am not sure but i think so
Friday, January 27, 2012 at 1:26pm by me/4/me

algebra
Always look for a greatest common factor first. Do you see one????
Friday, January 27, 2012 at 1:39pm by me/4/me

math
find the base of the triangle of a triangular prism with a height of 8 yards, altitude of 4 yards , and a volume of 16 cubic yards ?! can you help me???
Saturday, January 28, 2012 at 2:22pm by me/4/me

algebra
When graphing the equations y = 2x – 2, y = 2x, and y = 2x + 3, what observation can you make about the graphs. Can you make the same observation before graphing the lines? How?
Sunday, March 4, 2012 at 2:47pm by algebra 3/4/12

Science
1b 2a 3d 4d Trust me they are right
Wednesday, April 11, 2012 at 11:29am by to cool 4 u

Science
1b 2a 3d 4d Trust me they are right
Wednesday, April 11, 2012 at 11:29am by to cool 4 u

math
If y = x sinx Then y/ at x = 90º equal (a) 0 (b) –1 (c) 2 (d) 1 * how can i get this answer?
Tuesday, August 28, 2012 at 2:15pm by help shaikha 4

Math
Use compatible numbers to find two estimates that the quotient is between. For example: 1,624 divided by 3
Wednesday, January 8, 2014 at 5:17pm by Arlette 4 grade

Math
Ms.Sue, on the question I asked you, why did you put 1,800 instead of 1,700?
Wednesday, January 8, 2014 at 5:24pm by Arlette 4 grade

math
Thank you very much Ms.Sue
Wednesday, January 8, 2014 at 5:35pm by Arlette 4 grade

CHEMISTRY
WHAT WOULD BEST TO MEASURE 18ML OF ETHYL ALCOHOL ACCURATELY
Monday, September 8, 2008 at 11:36pm by SHONDA

Chemistry 2 Ap
Why is methyl and ethyl groups called hydrocarbons
Monday, September 22, 2008 at 9:24pm by Eve

organic chem
Suggest the syntheses of putrescine and cadaverine from ethyl bromide
Tuesday, April 26, 2011 at 5:16am by lauder

chemistry
Draw the condensed structural formulas of ethyl alcohol
Sunday, May 22, 2011 at 11:32pm by Ivy

Chemistry
Which is more soluble in water: HCl or ethyl chloride?
Monday, January 30, 2012 at 1:34am by Jeremy

organic chemistry
how to find ethyl benzoate from methyl benzene
Tuesday, September 11, 2012 at 2:40am by Anonymous

Chemistry 2
ethyl acetate + water ---> ethyl alcohol + acetic acid Once stoppered and allowed to reach equilibrium again. It will be in the reverse direction ethyl alcohol will react with acetic acid to form water and ethyl acetate
Friday, August 3, 2012 at 12:42pm by Kait

organic chemistry
What is the condensed structural formula of methyl 2-aminobenzoate?
Friday, February 21, 2014 at 8:58pm by roxan mee

physics 4
help me in this topicsmass vol.relationship,graphs and itinterpretation,vectors and scalars help me more to understand this topics the tools in physics,measurement,vectors and scales It is quite impossible to divine what you dont understand. We can easily critique your ...
Saturday, August 6, 2005 at 1:13am by pamea

Help 4!!!
Write the equation of a line whose slope is 6 and whose y intercept is -3. Y= slope * x + yintercept. You fill in the blanks. But how? Anonymous is telling you to use y = m*x + b where m is the slope and b is the y intercept. Use m= 6 and b = -3 Example: if the numbers had ...
Friday, October 13, 2006 at 1:15pm by Margie

Science 4
The Sun's complete spectral type is what? The sun is a G2V type star. The G2 denotes spectral type and the V denotes a dwarf star on the "main sequence" of stellar evolution.
Thursday, October 19, 2006 at 5:26pm by Liz

english 4
i need help with a outline about the boook the great gatsby Here are two of the best sites for analysis of literature. http://www.bookrags.com/notes/gat/ http://www.sparknotes.com/lit/gatsby/
Friday, October 20, 2006 at 8:49am by roderick

Science 4
How long does it take an M-type star to form, compared to the time for a solar-type to form? A.Half as long B.About the same time C.Twice as long D.20 times as long E.200 times as long c
Thursday, November 2, 2006 at 4:00pm by Liz

Science 4
M type stars usually have some molecular lines, such as TiO, well in their spectra. True or False TRUE
Monday, November 6, 2006 at 7:12pm by Liz

Science 4
Most stars probably formed A.alone B.in intergalactic space, then were swept up into the Galaxy C.in clusters in the Galaxy's spiral arms D.from planetary nebulae E.in the galactic Nucleus, then migrated outward later I'd guess roughly C ...but im no scientist. check this out ...
Tuesday, November 7, 2006 at 9:19pm by Liz

Science 4
As a protostar evolves from stage 4 to stage 6, it gets hotter but much less bright. True False http://en.wikipedia.org/wiki/Stellar_evolution
Tuesday, November 21, 2006 at 5:08pm by Liz

part 4
Organized interests often provide useful,specialized and detailed information to the government for example,on employment,price levels, or the sale of new and existing homes.These data are important to the making of public policy,and government officials often cannot obtain ...
Tuesday, April 24, 2007 at 4:46am by Jon

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