2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Chemistry Thermodynamics

10/27/18

thermochemistry

Determine heat of formation of CCl4g, at 298K, CH4 + Cl2 --> CCl4 + 4HCl reaction's, is -397.3kJCH4= -78.4 kjHCl= -92.3Cl2 = 0I tried to do the sum of the products - reactents = -397.3 but my... more
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Organic Chemistry Chemistry

10/24/18

Hydrogen ions with water

A Hydrogen ion bound loosely to water molecules is said to be? It's one word and I cant find it. Apparently the answer is not acidic or acidic whatever that means.
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Organic Chemistry

10/21/18

Describe in words and drawings what happens to the energy of all molecules in a reaction when the temperature is increased from 100 degrees to 200 degrees.

Make sure you include how this effects the kinetics of the reaction.
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Organic Chemistry

10/21/18

In a reaction that proceeds by an E2 mechanism, what effect does changing the substrate from an alkyl iodide to an alkyl bromide have on the rate of the reaction?
Answer Choices:A. Increases the rateB. Decreases the rateC. No effect on the rate
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Organic Chemistry

10/12/18

How to convert propyne to butanoic acid?
How to convert propyne to butanoic acid?
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Organic Chemistry

09/17/18

What effects does conjugation (alternating single and double or alternating single and triple bonds) have on the location of C=O absorptions? Explain, using...
What effects does conjugation (alternating single and double or alternating single and triple bonds) have on the location of C=O absorptions? Explain, using specific examples. (First find all... more
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Organic Chemistry Chemistry Algebra Unit Conversion

09/05/18

2.70 g/cm^3 converted to kg/m^3
for my answer on my calculator I get 2700 g/m^3     But I’m not sure if I write 270. g/m^3 as my final answer because of the rounding to the least significant figure rule which we started with 2.70... more
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Organic Chemistry

09/05/18

how do you calculate the mole percent for a mixture
 calculate the mole percent for a mixture of 40 mL of methyl butyrate (MW 102.1 g/mol, d=0.89g/ml) and 10 mL butyric acid (MW=88.1 g/mol, d=0.96g/mL)
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Organic Chemistry

08/20/18

Skeletal structure of organic compounds
What are the skeletal structure of following compoundsA) CH3CH2C(CH2)2CH3B) C(CH3)3(CH2)3CH3
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Organic Chemistry

08/20/18

Could particals still be in the air or surfaces years later?
A company had aspectos removal done in the old building before they opened for business. The air quality in the building is aweful because no windows. Could partical still be in the building years... more
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Organic Chemistry

08/17/18

What is the product of reaction 1,1'-bi(cyclopent-1-en-1-yl) with O3?
And my second question what is the product of reaction 1,1'-bi(cyclopent-1-en-1-yl) with NBS? I'm quite confused since it's bicycle and there are 2 double bonds. Here's the link of the structure:... more
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Organic Chemistry Hydrocarbon

08/12/18

in (CH3)3CCH2CH(CH3)2 how many 1°, 2°,3°4°Carbon atom are "present"
in (CH3)3CCH2CH(CH3)2 how many 1°, 2°,3°4°Carbon atom are "present"
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Organic Chemistry Titration

08/12/18

When titration and you are required to use 0.1 Sodium Hydroxide in a titration, but you only have 1.0 N how Dow you calculate the end results of the total acid
When titration total acid and you are required to use 0.1 Normal Sodium Hydroxide, but you only have 1.0 Normal Sodium Hydroxide; how do you calculate the results to reflect a reading For 0.1... more
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07/26/18

Chemistry 2 rate of reaction homework help
The decomposition of nitramide, NH2NO, is a first-order reaction.   a.) Write the rate law formula. b.) When starting with 0.105 M NH2NO2, with rate constant k = 5.2 x 10^-2 s^-1 at 15Celsius,... more
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Organic Chemistry

07/17/18

Why this decarboxylation of 3 chloro 4 oxo pentanoic acid gives no reaction
Why decarboxylation is not possible? 
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Organic Chemistry

06/03/18

what is a polymer and a monomer
it is from organic chemistry  
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Organic Chemistry Science Chemistry Hydrocarbon

05/12/18

Organic Chemistry - IUPAC Naming Doubt
I have a doubt in Organic compounds IUPAC naming..While naming these my teacher says that the bond's (double or triple) position should be of the least number which means counting from the side it... more
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Organic Chemistry Organic Synthesis

04/17/18

Why did the crystals not form
In chemistry lab today when we were synthesizing aspirin, our mixture of 7.08g salicylic acid, 16.5ml of acetic anhydride and 20 drops of 85% of phosphoric acid did not form crystals after it was... more
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Organic Chemistry Chemistry

04/09/18

Combined Gas Laws
A sample of neon gas occupies a volume of 6.13 L at 59.0°C and 327 torr.If the volume of the gas sample is increased to 7.31 L, while its temperature is decreased to 5.0°C, the resulting gas... more
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Organic Chemistry

04/09/18

Organic Chem
A sample of neon gas occupies a volume of 7.22 L at 53.0°C and 1.21 atm.If it is desired to decrease the volume of the gas sample to 5.13 L, while increasing its pressure to 1.52 atm, the... more
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Organic Chemistry

03/24/18

2-butanone can be converted to 2-butene in two steps.
what reactant is used in the first step? what reactant is used in the second step?
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Organic Chemistry

03/04/18

what is the molecular shape of a carbon atom in the double bond of an alkene
what is the molecular shape of a carbon atom in the double bond of an alkene
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Organic Chemistry

02/28/18

. We have an iodine solution (25cm3 ). It is titrated with sodium thiosulfate (0.1 mol dm-3). With this, around 17.6cm3 of iodine solution reacted. The concen
a. Font Size (Heading) - 14b. Font Siz (Content) - 12c. Line Spacing – 1.5 d. Font - Times New Roman
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Organic Chemistry Chemistry Chemistry Lab Diels Alder

02/21/18

Diels-Alder Lab Question
Do you expect there to be differences in the IR for the carbonyl stretches of maleic anhydride and the Diels-Alder adduct? If so, draw their structures and state which one you would expect to have... more
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Organic Chemistry Chemistry Lab

02/15/18

Williamson Ether Synthesis LAB QUESTION!?
Why use acetonitrile instead of toulene in a Williamson Ether Synthesis? (Phenol, NaH, 1-bromopropane)?Also, why use aqueous Na2CO3 instead of distilled water when extracting?
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