Grease is a complex mixture of (mostly) hydrophobiccompounds. Which part of sodium stearate, head or tail,is most likely to bind to grease?

Q: Heroin, a tertiary amine, is a weak base because it contains a nitrogen atom with a lone pair of…

A: Mass of the sample mixture taken for titration = 75.000 mg  Molar mass of Heroin = 369.4176 g/mol

Q: What does both benzoic acid and toulene have in their structures that hexane does not which makes…

A: Hexane is acyclic hydrocarbon having 6 carbons . Hexane is aliphatic in nature and saturated…

Q: Define the following: A. Extraction B. Infusion

A: Analytical chemistry is branch of chemistry in which we deal with instruments and methods used to…

Q: zechak diagram

A: In this question we have to tell tha that the diagram when energy emitted from ( e=3 to e =1).

Q: Which of the following describes the cell membrane pictured above? It consists of hydrophobic polar…

A: Given is cell membrane diagram.

Q: Given that Kb for ammonia is 1.8 * 10-5 and that for hydroxylamine is 1.1 * 10-8, which is the…

A: Kb is the base dissociation constant. Base dissociation constant gives the measure of how a base…

Q: which color component runs the fastest in the best trial? explain this in terms of intermolecular…

A: As per the obtained chromatograms, the one with methanol is the best.

Q: Based on the table you completed above, decide whether the low solubility of KHT at room temperature…

A: KHT (potassium hydrogen tartrate) is a salt of very strong base KOH and weak acid tartaric acid.

Q: N. Z-

A: A molecule having a lone pair can accept a proton.

Q: Why does methyl benzoate, which is water insoluble, dissolve in concentrated H,SO,?

A: Given : Methyl benzoate is insoluble in water but soluble in concentrated H2SO4.

Q: b) Below draw 2 examples for: (i) Polar protic solvent (ii) Polar aprotic solvent (iii) One example…

A: (i) Polar protic solvent---- Solvents containing hydrogen that is attached to oxygen or nitrogen…

Q: Consider cyclohexane, cyclopentanol and nonan-1-amine What is the strongest type of IMA for…

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

Q: Rank the following compounds in order of increasing solubility in hexane:

A: Interpretation : We have to tell the solubility of hexane.

Q: NH2 NH2 NH NH NH (a) (b) (c) vs. vs. Vs. NO2 OCH3

A: We have to circle the each pair having the most basic, assuming that the solvent is water as follows…

Q: Match each term in Column A with its description in Column B. Write the correct letter in the space…

A: Please find your solution below : Acids are the substances that have the ability to donate proton…

Q: how many hydrogen bond acceptors are there in pantoprazole?

A: If we consider any hydrogen bond, there consists a donor and an acceptor part. The donor part is the…

Q: corresponding to your answer. a. Ammonia and ammonium chloride b. Acetic acid and potassium acetate…

A:

Q: What will be needed for resting a separatory funnel when it is charged (meaning in use)? O beaker…

A: Introduction: We have to tell what will be required for resting a separating funnel.

Q: Give a clear handwritten answer and explain

A:

Q: Is a carboxylate salt likely to produce acidic or basic solutions in water?

A: Carboxylate salt CH3COONa Complete dissociation of carboxylate salt during dissolving CH3COONa(aq)…

Q: Consider a molecule of methyl methacrylate, shown above. If this molecule were to engage in hydrogen…

A: The hydrogen atom attached to the electronegative atom like fluorine, oxygen, or nitrogen gets…

Q: Which part of sodium stearate, head or tail, is more likelyto be solvated by water?

A: The hydrocarbon part (tail) of sodium stearate is non polar and hydrophobic in nature. It repels…

Q: Which of the following will dissolve in a nonpolar solvent? Mark all that apply Group of answer…

A: Given options: KOH PCl3 CH4 NH3 I2

Q: As predicted by hard/soft acid-base theory, which pair would preferentially bind to a MgO surface?…

A: The magnesium ions has high affinity towards oxygen. The given surface of MgO (magnesium oxide) is…

Q: Having difficulty understanding hydrogen bond and how they are formed . Some examples would be great…

A: Hydrogen bonding can take place between a highly electronegative atom and hydrogen. Intramolecular…

Q: b. butanal + NaBH4 followed by acid

A: The reaction given as followes

Q: For glucose, how many hydrogen bond acceptors are expected

A: The structure of glucose molecule is as shown below.

Q: The torsional energy in propane is 14 kJ/mol (3.4 kcal/mol). Because each H,H eclipsing interaction…

A: Given,The torsional energy in propane is 14 kJ/mol.H, H eclipsing interaction is 4.0 Kj/mol.

Q: Ok, I understand that but how does organic compounds in the acid allow it to function as a pigment.

A:

Q: Why should the sodium carbonate be dried prior to standardization? Answer briefly and own words

A: sodium carbonate is a common primery standard used in the titration of acids vs bases. sodium…

Q: но OCH,CH, 1 OH 3 он он но 5

A: Libermann’s testIt is a test for secondary amines. Secondary amines aliphatic as well as aromatic…

Q: NABH3CN NH3 +)

A: The reagent sodium cyanoborohydride is used for reductive aminations , i.e. it selectively reduces…

Q: Just need some confirmation on whether or not my solution is right or wrong. If wrong please show…

A:

Q: What would be an appropriate shelf-life, t90, for this drug (in days) in this solution?

A:

Q: I don't understand how to do this. Will you provide another example? I tried the second one but it…

A: The error you made in the second example is on the type of bonding. In H2, the bond between two H…

Q: According to hard-soft acid-base theory, which pair below would preferentially bind to PbS surface?…

A: A species is a hard or soft, acid or base is decided by its size and charge. It depends on its…

Q: Give a clear handwritten answer...and explain

A: We have to predict the chemical shift of the given compound. The given compound is

Q: this is an ir of acetanilide can u please indicate the obvious functional groups

A: Acetanilide or N-phenylacetamide is an aromatic amide with a benzene ring attached to the amine…

Q: What are you looking for specifically when doing the microscale boiling point? What causes the…

A: A liquid boils when its vapour pressure equals to the atmospheric pressure. Boiling point of a…

Q: base C10H140 + water

A:

Q: Which would you think would be a strongerinteraction and why: an interaction between a sodium ion…

A: Given information: an interaction between a sodium ion and the partial negative charge on the oxygen…

Q: Identify the characteristics of polar protic solvents and polar aprotic solvents, and complete each…

A: The dipole is formed, when an atom is bonded with an electronegative atom and the interaction…

Q: The right answer is given, I need help in understanding how to do them

A: Given problems are related to NMR.

Q: Write a full procedure to Recrystallize benzoic acid and Naphthalene.

A: Recrystallization is the process of the purification of solid substances. Any substance that needs…

Q: d) Is this a normal or reverse polarity reaction?

A: The  normal polarity reaction is the simple reaction that proceeds universal naturally occurring…

Q: As predicted by hard/soft acid-base theory, which pair would preferentially bind to Ag20 surface?…

A: To predict which of the given pair would preferentially bind to Ag2O surface.

Q: compound given in this problem is a common organic solvent. From pair of compound , select the…

A: The given compounds are,

Q: 4. Explain why a protonated amine is water soluble:

A: