Octane (C8H18) boils at 125°C as compared to water which boils at 100°C. This information suggests that the IMFA in nonpolar octane molecules are stronger than those in water. TRUE or FALSE?

Q: 1.) Proteins, nucleic acids, and carbohydrates are grouped by common structural features found…

A: 1) The amino acid residues are linked together by peptide bonds and polymerize to form a peptide…

Q: Which one of the following compounds is the most soluble in water at 25 °C?   A.  SrSO4   B.…

A: The solubility product constant describes the equilibrium between a solid and its constituent ions…

Q: Which term refers to the the diffusion of water molecules through a selectively permeable…

A: There is always movement of molecule from the higher to lower concentration.

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: The term hydrophobic means     miscible in water   reacting violently with aqueous solutions…

A: Depending upon the affection toward water substances are classified as hydrophilic or hydrophobic.…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.215 atm at…

A:

Q: Rank the solutions in order of increasing boiling point with lowest(1) and highest(4).   1 mole of…

A: We have to rank the following solutions in order of increasing boiling point with lowest(1) and…

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: 1. What is the reason for crude oil for heating water and salts separation? 2. How the power supply…

A: 3) Brine, which is salt dissolved in water, is introduced into the crude stream during production or…

Q: 9.What is the osmotic pressure of a solution containing 541 mg of aspartame (C14H18N2O5) in a total…

A: osmatic pressure :  π = CRT Where  π= osmotic pressure   C=molar concentrate of solute  R=gas…

Q: Equal molar aqueous solutions of glucose (C,H12O) and sucrose (C12H24012) both have the same osmotic…

A: Osmotic pressure is given by π= iCRT

Q: The osmotic pressure of an aqueous solution of a protein was found to be 1.25 mm Hg when 3.0 mg of…

A: Osmotic pressure of the solution (π) = 1.25 mm Hg 760 mm Hg is 1 atm  Therefore, 1.25 mm Hg is equal…

Q: You dissolve 10.00 g of sucrose (C12H22O11) in 100.0 mL of water. What is the expected freezing…

A: Given,   10.00 g of sucrose (C12H22O11) dissolved in 100.0 mL of water. The freezing point of this…

Q: Which of the following DOES NOT define a gel?   a. it is in a semi-solid state   b. it entraps…

A: Gel Semi-solid colloid in a more solid form than a sol broadly .    a.  it is in a semi-solid state…

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: Decaffeinated coffee is produced by extracting the caffeine from coffee with a solvent. Initially…

A: CH2Cl2 solvent was used for extracting caffeine from coffee.

Q: At an air-water interface, fatty acids such as oleic acid liein a one-molecule-thick layer…

A: First the moles of oleic acid is calculated as shown below,

Q: A 0.608 g sample of a protein was dissolved in 25.00 ml of water and the resulting osmotic pressure…

A:

Q: What is the freezing point of a solution in which 20.0 grams of sucrose (C12H22O12) is dissolved in…

A: When a non volatile solute is dissolved in a solvent, the freezing point of the solution decreases…

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: 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: Which of the following statements are applicable and which aren’t? A. Diffusion of a solute through…

A: The diffusion rate of particle across a membrane is depends on the lipid solubility of the particle.…

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: A 1.0 g sample of a small protein having a molecular weight of 50,000 g/mol is dissolved in 50.0 mL…

A: Since we know that osmotic pressure is calculated by using the formula π = iCRT  Where , π = osmotic…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.253 atm at…

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

Q: 2Lwhat is the molar concess tration bydragenion. in salutian af pH Jalue-

A: Given  PH   = 4  [H+]  = ?

Q: 4. What is the boiling point elevation when 143 g of lactic acid (CeH10Os) is dissolved in 647 g of…

A:

Q: Describe the following processes:(i) Dialysis(ii) Tyndall effect

A: The solution is made of solute and solvent. The solvent is the major part of the solution hence…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.265 atm at…

A:

Q: By how much is the vapor pressure reduced if 2.00g of sucrose, C12H22O11, is added to 100g of water…

A: Given : Mass of sucrose = 2.00 g Mass of water = 100 g Vapor pressure of water = 17.5 mm Hg

Q: At a pressure of 1 atm, a solution of sucrose (C12H22O11) in water has a boiling point of 101 °C. If…

A:

Q: Consider water and glycerol, CH21OH2CH1OH2CH2OH. (a) Would you expect them to be miscible in all…

A: Miscibility is the property of two substances to mix or dissolve each other completely. Miscible…

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: What are the answers for these questions? 2.Why are there bubbles escaping from the open end of the…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Which compound is not extracted from sea water ?industrially A- Mg compounds

A: Which compound is not extracted from sea water industrially?

Q: hich of the following statements is not accurate when considering water and biological molecules? O…

A: The hydrogen bond is an attractive interaction between a hydrogen atom and an electronegative atom .…

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: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.221 atm at…

A: In this question, we want to determine the Molarity of the Solution. How we can determine, you can…

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 scum’’ forms in ‘‘hard water,’’ water containing Ca2þ and Mg2þ salts. How do you explain this…

A: Given:- Soap scum’’ forms in ‘‘hard water,’’ water containing Ca+2 and Mg+2 salts. How do you…

Q: In soap-making, which of the following substances is usually used to produce liquid soaps? (Note:…

A: potassium hydroxide is more common in liquid soap-making. Although it is possible to produce liquid…

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

A:

Q: A protein (P) is separated from aqueous solution as NazoP salt. An aqueous solution of 10 mL is…

A: Interpretation -  To determine the molar mass of the protein H20P when here  this protein p…

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…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.