2,220 Answered Questions for the topic organic chemistry

Organic Chemistry

10/01/23

How to find the literature value (known value) of theoretical yield and percentage yield of adipic acid?
In a given lab practical for the oxidation of cyclohexene to adipic acid using KMnO4, we have been tasked with finding the literature value or the known value of the theoretical yield and... more
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Organic Chemistry

09/30/23

Reaction Mechanism of Cyclohexene to Adipic Acid
In detailed steps, how exactly can I draw the complete reaction mechanism of the oxidation of cyclohexene to adipic acid using hot acidic KMnO4?
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Organic Chemistry

09/30/23

Some Chemistry questions I am struggling with...
I would love to know how to find the condensation point, London Dispersion Forces and boiling point.These are my questions: Select which of the following hydrocarbons would exhibit a higher... more
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Organic Chemistry

09/28/23

Acids and Bases
What volume of a 2 % NaOH solution is required to neutralize 40 mL of 8 % HCl? Provide your answer to one decimal place only. [MW of HCl = 36.5 g/mol, MW of NaOH = 40.0 g/mol]
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Organic Chemistry

09/28/23

Organic Chemistry Density

If an experiment asks you to use 16.5 mmol of an organic liquid that has a molecular weight of 163.52 g/mol and a density of 0.946 g/mL, what volume (in mL) should be measured out? Give your answer... more
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Organic Chemistry Chemistry Biochemistry

09/25/23

Biochemistry HW QUESTION-I am stuck! Please help!
Indicate which of the amino acid residues in the following peptide sequence contains a group that has a negative charge for its most likely charge state at pH 10.Thr-Glu-Trp-Lys-Ser-Asn-Ile-Gly-Gln
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Organic Chemistry

09/25/23

Reaction Mechanism of oxidation of Cyclohexene to Adipic Acid using hot acidic KMnO4
Please help draw or explain the complete reaction mechanism of the oxidation of cyclohexene to adipic acid using hot acidic KMnO4.Also how would I find the Literature Value theoretical yield and... more
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Organic Chemistry

09/24/23

Formation of products from the Reaction of KMnO4 with Alkenes
Please help draw or explain what will be the products that from the reaction of KMnO4 with the following alkenes at an elevated temperature under acidic conditions:a) propeneb) cis-2-butenec)... more
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09/20/23

At neutral pH, what is the net charge on a “basic” amino acid? What is the net charge on an “acidic” amino acid?

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09/20/23

What type of attractive chemical interaction can occur between a charged side group and surrounding water molecules?
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09/20/23

What types of attractive chemical interactions can occur between a neutral, hydrophilic side group and surrounding water molecules?

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09/20/23

No side groups are involved in 2° structure H-bonding. Which atoms are directly involved in α - helix and β -sheet H-bonding?

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09/20/23

Explain why the folded structure is more thermodynamically favored (i.e., stable) in an aqueous environment than the unfolded structure.

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09/20/23

β -sheets can be either intra- or intermolecular, but α -helices are always intramolecular. Briefly explain why this is the case.

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09/20/23

At neutral pH, what is the net charge on a “basic” amino acid? What is the net charge on an “acidic” amino acid?

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Organic Chemistry Physics

09/11/23

Quantum numbers of electrons in a given atom
How many electrons in a given atom can have the following quantum numbers:(a) n = 2, l = 0(b) n = 3(c) n = 4, l = 3, m = +2, s = -1/2(d) n = 3, l = 1, m = 0
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Organic Chemistry

09/11/23

IUPAC Nomenclature and Lewis Acid and Base
In the following image: https://ibb.co/KFRL4GLa) How do I go about deducing the IUPAC name for both substance A and Substance B?b) How will I know if there will be reaction between the two... more
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Organic Chemistry

09/11/23

Depression of the melting point of solvents in the presence of solutes.
What would be the correct steps to take in trying to solve the following question:"In the Rast method for determining molecular weight, camphor with a melting point of 179°C is used as the... more
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Organic Chemistry Physics

09/11/23

The maximum number of electrons in a given atom
What would be the maximum number of electrons in a given atom that can occupy each of the following: a) L shell b) 2py orbital c) 2d orbital d) 3d orbital?
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09/06/23

Histidine has pka of 6. What will be the net charge in Histidine in a solution of (a) pH 8.0 (b) pH 5.0
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09/06/23

Histidine has pka of 6. What will be the net charge in Histidine in a solution of (a) pH 8.0 (b) pH 5.0
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Organic Chemistry

09/03/23

Determination of Ethanol by Distillation
Would a mixture of water/ethanol show a positive or negative deviation from Raoult's law?
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Organic Chemistry

08/31/23

Complete the following reactions, by naming the general structure of the products in which PCC or Cr(VI) is used to oxidize
a.) primary alcohol + PCC -> producta   ["carboxylic acid", "no reaction", "ester", "ketone", "aldehyde"] b.) secondary alcohol + Cr 6+ (or PCC) -> productb   ["ketone", "ester", "carboxylic... more
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Organic Chemistry

08/31/23

Multiply each equation by the number of electrons in the other equation, then combine the two equations in order to cancel the electrons out.
 Multiply each equation by the number of electrons in the other equation, then combine the two equations in order to cancel the electrons out.   (Just like if you were trying to solve for x and you... more
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Organic Chemistry

08/31/23

4. Then complete the other half cell. 
Oxidation half step:  (Losing electrons = R -3 -> +3) Balance the oxygens with water and the hydrogens with protons. (Determine the numbers that go in the blanks. If zero, record as the number... more
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