Stearic acid is insoluble in water, and sodium stearate (a soap) is soluble. What causes the difference in solubility? Explain.

Q: In the compound of urea and cholesterol, why does one compound dissolve in water while the other one…

A: Urea is present in urine or uric acid of most living organisms and has a chemical formula (NH2)2CO.…

Q: Ammonia, NH3, and ammonium ion, NH4+, are both soluble in water and could be easily excreted in the…

A: In our body, only proteins and nucleic acid are known to comprise nitrogen. When the body…

Q: Ionic interactions are weaker in water than they are in an anhydrous medium. Describe how water…

A: Ionic interaction: It is basically the attraction and bonding of two charged molecules, this is…

Q: Why do red blood cells swell up and burst when placed in pure water?

A: A red blood cell will swell and undergo hemolysis.

Q: Why do electrolytes require a decreased concentration of solutes in order to reach the isosmotic…

A: The term isosmotic means having the same osmotic pressure. The electrolytes require a decreased…

Q: If the following crystals were seen in a patients urine, what could be a possible reason?

A: Answer:  URINE CRYSTALS = These are the serious urinary tract problems when our kidney has a stone…

Q: If a less concentrated initial solution of socium bicarbonate was used in beaker C, would that…

A: The reaction between an acid and base is called a neutralization reaction. The product obtained is a…

Q: Can NaOH be titrated with Phosphoric acid why or why not?

A: Titration is a common laboratory method of quantitative chemical analysis to determine the…

Q: Which Latin word is the word acid derived from? What does that Latin word mean? Why is relying only…

A: The acids called acid because it has few chemical properties.

Q: what is the molar concentration of 80g of glucose dissolved in sufficient water to make two liters…

A: We know, the molecular weight of glucose is 180.1 g/molThe molar concentration of 80g of glucose…

Q: The Thermal conductivity of rock salt measured at a temperature of 500 degrees C what value would be…

A: thermal conductivity at 500°C would be about 0.2 W/m°C less than the thermal conductivity at 400°C…

Q: what is the molecular nature of the substance responsible for the acid-fast property of an organism?

A: The capacity of a bacterium to resist decolorization by acids during staining methods is known as…

Q: difference between teichoic acid and lipoteichoic acid?

A: Teichoic acids were found in 1958 by Armstrong and co-creators. The term teichoic envelops an…

Q: How is Ka defined? Write the equation for Ka for the generalized acid HA.

A: Ka is considered as the equilibrium constant.

Q: Why does buffers is significant inside a human body?

A: A buffer system is a solution that resists a change in pH when acids or bases are added to it.…

Q: Ag+ , K+ , Pb2+, Zn2+ : Classify the Bronsted-Lowry acidity of these cations

A: Brønsted–Lowry theory, known as proton theory of acids and bases. It stated  that any compound that…

Q: Which lipid sample is soluble or miscible in water? Explain.

A: Lipids are macro molecules that consists of monomers of fattyacids. Fattyacids are esterified to…

Q: Make 100 ml of a 1% solution of boric acid isotonic with blood by adding NaCl. The freezing point of…

A: A drug, often known as a medicine, is a chemical compound that has a biological effect on the human…

Q: what are two similarities and differences between sodium and potassium and between sodium and…

A: Sodium and potassium belongs to same group, hence they are very similar in properties. Sodium and…

Q: If you had measured the absorbances of your unknown in test tubes that were half the diameter of the…

A: Proteins are composed of twenty standard amino acids that are attached together via peptide bonds.…

Q: Will the given lipid test positive in the Ninhydrin test?

A: Ninhydrin test is used to check whether a given sample contains amines or alpha-amino acids. The…

Q: What is the difference between a monoprotic acid and a diprotic acid? Give an example of each.

A: Acids are considered as chemical compounds or molecules, which are known to lose protons in the…

Q: Why is ice less dense than water?

A: In Ice, each oxygen atom is surrounded by 4-H atoms at the corner of a tetrahedron.

Q: Is lysine a suitable buffer at acidic, neutral, or basic pH range, and why?

A: The amino acid consists of both amino and carboxylic groups. It can act as a buffer because it can…

Q: Which lipid sample (butter/oil is soluble or miscible in water? Explain.

A: Lipids are a major class of biomolecules. Lipids are differentiated from other organic molecules…

Q: Comparison between palmytic acid and oleic acid

A: Fatty acids are referred to as the building blocks of the fats that are present in our bodies.…

Q: What happens when hydrochloric acid is dissolved in water?

A: Hydrochloric acid is a strong acid, on dilution in water the hydrochloric acid will dissociate into…

Q: Because oleic acid contains a hydrophilic and a hydrophobic end, why is this so important?

A: Fatty acids are a lengthy hydrocarbon chain that contains both hydrophilic and hydrophobic groups.

Q: What is the effect of adding a small amount of a strong acid or strong base to the acidity of a…

A: Acids are substances that are capable of donating hydrogen to other substances. Acids are also…

Q: Why are some solutes soluble in water and solutes soluble in cyclohexane ?

A: The solvent is the substance, in which the solute gets dissolved to form a homogenous mixture,…

Q: What is the predominant ionic form of ribose-5-phosphate at physiological pH? Would…

A: Ribose-5-phosphate is required by a cell for various functions like the synthesis of nucleotides and…

Q: Difference between weak and strong acid

A: An acid is a chemical substance or agents that release hydrogen ions when dissolved in water. The…

Q: Another characteristic of modern buffers such as HEPES is that their pH changes little with changes…

A: Base and acid both interact with each other and form salt and water. They both are used in everyday…

Q: Why is picric acid used for burns? Explain the principle involved

A: Cells are the basis of life. Cells give rise to tissues and organs. Organs that work towards the…

Q: Determine the pH of a solution composed of 1 M acetic acidand 1 M sodium acetate.

A: pH is a scale that is used to specify the acidity or basicity of an aqueous solution. Acidic…

Q: why does water  move inward in a hypotonic solution?

A: The movement of molecules from a region of higher concentration to the lower concentration region is…

Q: The most common intercellular thiol is ________

A: Glutathione is a material composed of glycine, cysteine, and glutamic acid amino acids. It is…

Q: What is the chemical basis for ethanol’s solubility in blood?

A: Ethanol is an organic chemical compound. It is a simple alcohol with the chemical formula C. Its…

Q: at room temperature, amino acids are solids with relatively high decomposition points. explain why

A: Amino acid contain a central alpha-carbon, a hydrogen, an alpha-amino group, an alpha-carboxylic…

Q: Which lipid sample (butter/ oil) is soluble or miscible in 70% ethanol? Explain. Do you think the…

A: Solubility and miscibility are mostly interchangeably used because the resultant solution seems to…

Q: To minimize the sharp pH shift that occurs when a strong acid is added to a solution, is it better…

A: pH is the indicator of acidity of a system. A solution with pH less than 7 is considered acidic…

Q: Tetrabromofluorescein is a purple dye often used in lipsticks. if the dye is purple, what color does…

A: The dye is a colored substance that constructs a chemical bond with the substrate to which it would…

Q: A solution with a low pH means what?

A: pH is the chemical parameter that influences the outcome of the chemical reaction. Different…

Q: Explain the difference in the melting points of the linoleic acid and linolenic acid:

A: The fatty acids are the compounds that are also present in the cell membranes and allow for the…

Q: Which of the two amines, decylamine or ethanamine, would you expect to be more soluble in water and…

A: Introduction: Amines are derivatives of ammonia in which hydrogen atoms have been substituted by an…