The van der Walls attraction between similar colloidal particles in a solvent is always smaller than in air? Explain why

Q: Acetic acid (CH3COOH) is miscible with water. Would you expect carboxylic acids with general formula…

A: Solubility of carboxylic acids ( CH3(CH2)nCOOH ) will decrease with increase of the value of n.…

Q: Explain how hydrophilic and hydrophobic colloids can be stabilized in water?

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Q: Different types of colloid systems. Define each.

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Q: ] mean ___________. mole fraction mole percent molarity…

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Q: Illustrate the common ways of expressing the concentration of a solute in a solvent: mass…

A: A dilute solution means solute is present in the least quantity. It refers to the quantity of solute…

Q: A solution is prepared by mixing 75 g of water, H;0 and 85 g of ethanol C,H;OH. Determine the mole…

A: Given: Mass of water, H2O = 75 g Mass of ethanol, C2H5OH = 85 g Molar mass of H2O = Atomic mass of H…

Q: An aqueous solution contains 5% NACl by mass. Calculate the molality and mole fraction.

A: Interpretation -  To determine the molality and mole fraction of an aqueous solution contains 5%…

Q: Why do colloids exhibit the Tyndall effect but solutions do not?

A: A solution can be defined as the mixture of solute with solvent. Here solute is the substance in…

Q: Gases tend to be less soluble in liquids as the temperature is raised. Why?

A: The reason why solubility of gases in liquids are less when there is increase in temperature has to…

Q: Explain the meaning of the van’t Hoff factor and its role in determining the colligative properties…

A: Colligative properties are the properties which are dependent on the number of solute…

Q: An aqueous solution contains 82.5 g of isopropyl alcohol (C3H7OH) in 218.5 g of solution. What is…

A: given mass of isopropyl alcohol = 82.5 g mass of solution = 218.5 g standard values molar mass of…

Q: Is the medium of a colloidal dispersion comparable to the solvent of a solution yes or no and why?

A: The colloidal solutions are a mixture in which the substances are regularly suspended in a fluid.…

Q: Why Chalk Soln sink to the bottom of the glass with regards to the topic of colloidal dispersion?

A: Chalk solution sinks to bottom of the glass . It is because chalk is insoluble in water and forms a…

Q: Describe the relationship between pressure and gas solubility according to Henry's law?

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Q: The boiling point of an aqueous 1.83 m (NH4)2SO4 (molar mass = 132.15 g/mol) solution is 102.5°C.…

A: Given; Boiling point of aqueous  (NH4)2SO4  solution (Tb) = 102.5°C Boiling point of pure water…

Q: what mass of water should be used to dissolve 20 grams of ethanol, to prepare 0.0500 molal solution…

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Q: What is the  vant Hoff  factor if  0.15 m CrCl3 freezes at -0.91oC?

A: Van't Hoff Factor can be calculated as  The number of ions observed in the solution/ total moles of…

Q: How can the Tyndall effect be used to distinguishbetween a colloid and a solution? Why?

A: The scattering of the light by the particles that are suspended in the medium is called as Tyndall…

Q: The solubility of oxygen gas in water is approximately 0.00507 g/L. When the temperature is 25…

A: The solubility of a gas in a liquid depends on the partial pressure of the gas on the liquid…

Q: Density of Mole fraction of Molarity Molality % by Mass ppm solution solute

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Q: In how many grams of water should 20.10 g of potassium nitrate (KNO3) be dissolved to prepare a…

A: The concentration of a solution says about the amount of solute that is present in the solvent…

Q: What is the boiling point of a 0.33 m solution of a nonvolatile solute in benzene?

A: Required information: Boiling point of benzene = 80.1°C        Kb value of benzene = 2.65 °Cm

Q: Determine the mass of LiBr required to produce a 0.4889 molal solution by dissolving LiBr in…

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Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.53.…

A: Let's assume the mixture of two volatile substances and their vapor behaves ideally. Applying both…

Q: Discuss the difference between the new osmotic theory and the determination of the colligative…

A: Limitations of Osmotic pressure theory Osmotic pressure, classical theory of Sir Van't Hoff has…

Q: How do colloids differ from solutions with regard to dispersed particle size and homogeneity?

A: When the size of the dispersed particles lie between that of solution and suspensions particles,then…

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.73.…

A: Given: vapour pressure of A, PA∘=42.5 torrmole fraction of A, xA=0.73Vapor pressure of pure B,…

Q: Concentration of NaOH in HCl is 2.57% by mass. Density of HCl is 1.2g/cc. Determine molality of…

A: Relationship between %by mass and molality m=%by weight×1000/Molar mass of NaOH×(100−%by weight)…

Q: Choose the correct answer ?

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Q: You have a solution which is 44.3% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

A: Mole fraction is given by mole of one solute divided by sum of number of moles of solute and…

Q: Applications of Colloids?

A: Colloids: The non-crystalline and homogeneous substances that consisting of one substance dispersed…

Q: Why is the vapor pressure of a solution different from the vapor pressure of the pure liquid…

A: While adding the non-volatile solute into the solvent, the tendency of solvent molecule to evaporate…

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.89.…

A: Sum of mole fractions in a mixture can be taken as 1 Mole fraction of A = 0.89 Mole fraction of B =…

Q: Why does a gas mixed with another gas not form a colloidal system?

A: A heterogeneous mixture of two distinct states of matter is termed as a colloid system. There isa…

Q: What is the Van't Hoff factor of Carbon Monoxide when dissolved in water? Assume ideal behavior

A: van't Hoff factor is actually the measurement of solute effects on collegtive properties such as ,…

Q: The van der Walls attraction between similar colloidal particles in a solvent is always bigger than…

A: Vanderwaals forces are the interactive forces between similar molecules of a matter and depend on…

Q: mole fraction

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Q: A solution was prepared by dissolving 120 g of NaCl in 250 g of H2. What is the mole fraction of…

A: Given, A solution was prepared by dissolving 120 g of NaCl in 250 g of H2.  Mole fraction can be…

Q: a) What is the mole fraction of the solvent? b) What is the %m/m of the solution? c) What is the…

A: A solution consists of solute and solvent. A solute is defined as the component that is present in…

Q: 2) Calculate the vapor pressure caused by the addition of 100.0 g of nonvolatile solid naphthalene…

A: Given that: Mass of solvent (benzene) = 500.0 gMass of nonvolatile solute (naphthalene) = 100.0 g…

Q: Why is Tyndall effect shown by colloidal solutions?

A: Tyndall effect is the dispersion of particles by light and its often used to differentiate the true…

Q: The mole fraction of methanol in a solution that contains 16 g of methanol (32 g/mol) and 90 g of…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: What mass (g) of sodium nitrate must be added to 500 ml of water to prepare a solution that is…

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Q: Why are density and viscosity of a solution not considered colligative properties?

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