a) Stearic acid and oleic acid both have 18 carbons, but stearic acid melts at 71 °C, while oleic acid melts at 13 °C. Explain the difference in the melting points of these acids.

Q: Cholesterol is reacted with acidified potassium dichromate. Determine the structure of the product…

A: given Cholesterol is reacted with acidified potassium dichromate

Q: In which substance is hydrogen bonding an important intermolecular force? H methylamine H- H- H H H…

A: Intermolecuar force is the force which bind two combining atom

Q: How do amino acids exist in solution? What is the solubility in organic solvents, aqueous acids,…

A: Amino acids are organic molecules that contain both an amino group (-NH2) and a carboxyl group…

Q: What are the different polymers used in the preparations of cosmetics?

A: Polymers used in the preparations of cosmetics are as follows 1. Structuring Agents a)…

Q: How can ethanol and Ethanoic acid be differentiated on the basis of their physical and chemical…

A: Given that we have two organic compounds ethanol and ethanoic acid. We have to differentiate them…

Q: Fat soluble vitamins have a ispoprene unit which are a type of lipid molecule ? True or false

A: Fat soluble vitamins are categorised by A,D,Eand K  Yes they have isoprene unit lipid molecule  They…

Q: what intermolecular forces cause ethyl acetate to be insoluble in water, but soluble in hexane?

A: The rule is that : like dissolve like. The predominant intermolecular force present in ethyl acetate…

Q: A long polymer chain, such as polyethylene ( -CH2CH2- )n, can potentially exist in solution as a…

A:

Q: Which classes of amino acids have side chains that can form ion-dipole interactions with water?

A:

Q: how the stereoisomerism affect the degree of crystallinity

A: In this question we have to tell that how the stereoiserism affect the degree of crystallinity of a…

Q: Draw the structure for Acetic acid (Ethanoic Acid)

A: Acetic acid (CH3COOH), also called ethanoic acid, the most important of the carboxylic acids.

Q: Poly(vinyl alcohol), a hydrophilic polymer used in aqueous adhesives, is made by polymerizing vinyl…

A: CH2=CH- is known as vinyl group. If acetate group is attached to it, it is known as vinyl acetate…

Q: Consider Polyethylene, the polymer made from ethylene. Calculate the malar mass of a Polyethylene…

A:

Q: Zinc (Zn) granules react slowly with dilute hydrochloric acid (HCI), but much faster if the acid is…

A: In a chemical reaction, reactants react to form the products. Chemical reaction causes a permanent…

Q: A pentapeptide has the amino acid sequence Gly-Ala-Gly-Phe-Cys. This describes as what kind of…

A: A pentapeptide has the amino acid sequence Gly-Ala-Gly-Phe-Cys. The structure is shown as below.

Q: In a theoretical study of protein-like polymers, the phase diagram shown was obtained. It shows…

A: a.

Q: What Intermolecular forces wull dominate between the mixture of water and limonene? why?

A: The attraction forces between the different molecules are known as intermolecular forces. In general…

Q: 4. Recycle bottles of plastic are made from a. Peptides b. Polyamides C. nylon d. polyethylene…

A: Polymers are those compounds which are formed by small units known as monomer by the process of…

Q: C) NUCLEIC ACID Sketch the general structure of a nucleic acid monomer and name all characteristic…

A: Since , you have posted question with multiple sub-parts , we will solve first three sub-parts for…

Q: why do amides boil at higher temperatures than hydrocarbons or ethers of similar molecular weights

A: This answer explains why amides have higher boiling points than hydrocarbons or ethers of similar…

Q: Can glycerol be used as a solvent for sodium chloride. If it can, what would be the byproduct of…

A: Glycerol is an viscous and polar solvent due to presence of 3 hydroxyl group.

Q: The structure shown is an example of a type of macromolecule (carbohydrate, lipid, protein, or…

A:

Q: (A) Molecule A Molecule B Molecule C Molecule D Molecule E (B) Molecule F (E) Of the molecules…

A:

Q: intermolecular forces responsible for the folding of amino acid chains into proteins

A: The molecular forces of attraction which are acting between two molecules of the same or different…

Q: An organic compound is analysed and found to contain 66.7% carbon, 11.2% hydrogen and 22.1% oxygen…

A: The compound contains Carbon, Hydrogen and Oxygen atoms.Determine empirical formula of the compound:

Q: Impure Compound X was found to have a melting point range of 106-114 oC. What do each of these…

A: The purpose of melting point experiment is to determine melting points of compound accurately. It is…

Q: You’ve got two amino acids – glycine and alanine. How many and what dipeptides can be formed from…

A: Amino acids are the organic compounds which primarily has amine and carboxylic acid group. The side…

Q: Discuss the manufacture of Sugar from Sugar Cane

A: RAW sugar which is known as cane sugar has to undergo many Laboratory  for Production of sugar . The…

Q: Draw the structure of isobutyl butanoate, isobutyl butyrate:

A: The nomenclature of an ester consists of a parent carboxylic acid which is replaced by carboxylate…

Q: Write the chemical structure of a non-biodegradable polymer (Polystyrene) and explain (in one line),…

A: Interpretation - To write the chemical structure of a non-biodegradable polymer (Polystyrene) and…

Q: Arrange the following solvents in order of increasing polarity: ethyl acetate -dichloromethane…

A: The concept used here is from basic organic chemistry.  Order of increasing polarity of given…

Q: Arrange the following in increasing melting points. Myristic acid, palmitic acid, oleic acid,…

A: Melting point of a substance is defined as a temperature at which solid changes into liquid.