Why can't Heptane C7H16 be a solute in an aqueous saline solution?

Q: Explain why soaps in aqueous solutions assemble into micellar structure

A: Soap is consist of fatty acids. Fatty acids are made up of polar head and non polar tail that means…

Q: Ascorbic acid (C6H8O6) is also known as Vitamin C. How many molecules of C6H8O6 does a Vitamin C…

A: Using avagadro concept we have solve this problem.

Q: What is the number of moles of glucose C6H12O6 in 0.500 L of a 0.40 M solution?

A: Given that  Volume of solution = 0.500L  Molarity = 0.40

Q: If 4.27g sucrose (C12H22O11,342.3g/mol) are dissolved in 15.2 g water, what is the boiling point of…

A: It is given that 4.27 g of sucrose is dissolved in 15.2 g of water, and the Kb for H2O is 0.512°C/m,

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.241 atm at…

A: Molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: Which gives the more concentrated solution, stearic acid [CH3(CH2)16COOH] in (a) H2O or (b) CCl4?…

A: Stearic acid and carbon tetrachloride are nonpolar molecules whereas water is a polar molecule.…

Q: How many moles of solute are dissolved in 0.015848 kg of cyclohexane if the solution has a molality…

A: Given that, Mass of cyclohexane (solvent) = 0.015848 kg Molality of the solution = 0.542 mol/kg

Q: What compound gave a yellow globule insoluble with water with concentrated HNO3 and concentrated…

A: We have to explain and draw the structure of  molar mass is C10H14 as follows in step 2:

Q: What is the molarity of a solution prepared by dissolving 125 g of C2H6O2 in 850 mL of water

A: Molarity is the ratio of moles of solute to the volume of solution (in L)  Number of moles =…

Q: Explain the molecular reason why the vapor pressure decreases when glycerol (C3H5(OH)3) is dissolved…

A: The answer is given as follows Vapour pressure : This is a pressure exerted by the gas which is in…

Q: In the Figure below, the amount of the three liquids acetic acid, butanol and water at pointP is:…

A: The three phases are solid, liquid and gaseous. For a three component system a phase diagram can be…

Q: Describe the orientation of the phospholipid molecules as they spontaneously assemble into a lipid…

A: A phospholipid layer has 2 components, a hydrophobic part which is made up of 2 hydrocarbon chains…

Q: Ascorbic acid (C₆H₈O₆) is also known as Vitamin C. How many molecules of C₆H₈O₆ does a Vitamin C…

A:

Q: "Lipids are biomolecules that are soluble in organic solvents andinsoluble in water"  Define this ?

A: Concept introduction: Solubility rules: It stated that like dissolved like that means polar…

Q: Which of the following will boil faster, a 0.25m aqueous solution of NaCl or a 0.25m aqueous…

A: Molality is equal to the number of moles of solute dissolved in per kg of solvent. It is denoted by…

Q: In which solvent is C5H12O2 most soluble? a. C7H8 b. C2H6O c. C3H6O d. H2O

A: C5H12O2 is polar. Thus it is soluble in polar solvents i.e. H2O.

Q: How many grams of phenol should be used to prepare 240 g of a 5% (w/w) solution in water?

A: Formula used :-  W/W % = (Mass of phenol ÷ Mass of solution )×100%

Q: Tyrosine is an amino acid. Which atoms in this molecule can form hydrogen bonds? CH,-CH NH,

A: there are many hydrogen bonds possible in the aminoacids hydrogen bond is actually a weak force of…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.235 atm at…

A: Recall the expression for osmotic pressureπ          π=CRTHere,osmotic pressure(π)=0.235 atm…

Q: 2. Micelles stay in the soap solution as colloid since: negative charges from polar heads repel each…

A: #2: Micelles in a soap solution are formed by the long-chain fatty acid salts of sodium or…

Q: 1. How many moles of sucrose, C12H22011 are contained in 1.12m sucrose with 150 g water?

A:

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.123 atm at…

A: Osmotic pressure is a colligative property. The osmotic pressure of a solution can be calculated by…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.125 atm at…

A: Osmotic pressure is calculated by using the equation,

Q: Calculate the molar concentration of solution

A: Formula :-  π = iCRT   Where ;  π is the osmotic pressure i is Van't hoff factor  C is the molar…

Q: You need to prepare a solution of glycerol ( CH2OH-CHOH-CH2OH) in 100.0 g of water, so the…

A: In this ques, we have given a solution of glycerol and water, we have to calculate the mass of…

Q: How many moles of sucrose, C12H22O11 are contained in 1.12m sucrose with 150 g water?

A:

Q: Consider the two forms of a non-biologically important amino acid shown below. What is the biggest…

A: In case of amino acid, chemist picture, molecule does not have any charge on it and it can form…

Q: eutical preparation h

A: When two solutions have same osmotic pressure and salt concentration they are said to be isotonic…

Q: For items 15-16: The osmotic pressure of an aqueous solution of a certain protein was measured to…

A: Given: Osmotic pressure = 1.54 torr T = 25oC

Q: On a soap molecule, identify which end is known as being polar and which end is known as being…

A:

Q: How many grams of sucrose (C12H22011) are needed to lower the freezing point of 102 g of water by…

A: Given: Mass of water = 102 g Lowering in freezing point = 1°C  Standard data: The molar mass of…

Q: In what context do the terms hydrophobic and hydrophilic relate to the solubilities of substances in…

A: The substances which have special affinity for water are called hydrophilic and the substances which…

Q: Which lipid sample is soluble or miscible in 70% ethanol? Explain. Do you think the solubility of…

A: Lipids are made of fatty acids chain. Depending on the substitution, polarity of lipids varies.

Q: Na3PO4 dissolves in water to produce an electrolytic solution. What is the osmolarity of a 2.0 ×…

A:

Q: 2. Find the mass of fructose (C6H12O6) present in a solution containing 9,370.0 mg acetic acid to…

A:

Q: Suppose you are presented with a clear solution of sodium thiosulfate, Na2S2O3. How could you…

A: A solution is said to be saturated when it cannot dissolve any extra solute in it. A solution is…

Q: C. You need to make 100 mL of a 0.2 molar sucrose (C₁2H22O11) solution. How much sugar do you need…

A:

Q: Detrmine  the molrity of a solution that contains 15.50mL of glycerol (C3H8O3,d=1.265 g/ml) in…

A: The mass of the glycerol is calculated is shown below where d and V is the density and volume of the…

Q: What is the boiling point of a solution prepared by dissolving 2.50g of biphenyl (C12H10) in 85.0 g…

A: The given problem can be solved by using the formula given below as; ∆Tb = Kb . m…

Q: 1. What is the difference between soap and detergent?

A: Since there are two question, so I am solving question number 1 if you want to solve question number…

Q: How many mL of 2.50% (w/v) glucose contains 78.6 g of glucose?

A: % w/v = (mass of solute in g/volume of solution in mL) × 100%    Formula for dilution :- C1V1 = C2V2…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.139 atm at…

A: Given : Osmotic pressure = 0.139 atm  And temperature = 37.0 oC

Q: Soap and detergent form micelles wherein the hydrophobic end points outside and the hydrophilic end…

A: Micelles are made up of amphiphilic molecules that self-assemble.  [1] The structures have a…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.103 atm at…

A:

Q: Dispersion forces between the polar ends of soap and detergent causes them to cluster together and…

A: In this question, we will see that this statement is correct or incorrect.  You can see the details…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.133 atm at…

A: Osmotic pressure (π)=CRT where C -Concentration R gas constant T temperature  π=CRT 0.133= C x 0.082…

Q: Complete the following table for aqueous solutions of theobromine, C-H3N402, the alkaloid present in…

A: (a) mole fraction of solute is 0.0542. Suppose the mass of water is 1 kg (1000g). Now, ppm (Parts…