Please choose the correct term to fill in the blank (increase / decrease / not change) for the following statement: 'While temperature is kept constant, adding excess water and making the solution become undersatured (diluted) will ___________ the vapor pressure above the solution.'

Q: When a 19.243 g sample of Compound Z, a nonelectrolyte, is dissolved in 487.3 g of benzene, the…

A: Given that: Mass of compound Z = 19.243 g Mass of benzene = 487.3 g = 0.4873 kg Freezing point of…

Q: The concentration that refers to the number of equivalence per liter of the solution is called ?…

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Q: A solution is made using 182.1 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

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Q: 1 / 1 100% Using the Lattice Enthalpy and the Hydration Enthalpy to find the Enthalpy of Solution…

A: Enthalpy is the heat content of a system at constant pressure.

Q: Imagine that we have a saturated aqueous solution of NaCl. Please choose the correct term to fill in…

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Q: Why are volumes not additive? Explain.  For example, 10.00mL of pure ethanol and 10.00mL or pure…

A: As total volume depends on the interaction of liquid molecules, volume is not a additive property.…

Q: Which solution has lower vapor pressure? A.) a 0.2M KNO3 Solution B.) all four solutions given have…

A: Colligative properties : Those physical properties of a solution which depend upon the number of…

Q: Choose the aqueous solution that has the highest boiling point. These are all solutions of…

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Q: A 7.08 g sample of an ionic compound XCI2 is dissolved in 383 grams of a solvent. The freezing point…

A: The molecular weight of the solute can be calculated by using the colligative properties, depression…

Q: At 30 °C, a solution is prepared by mixing 22.8 g Na2SO4 with 175.0 g water. The vapor pressure of…

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Q: Previous Answers A solid mixture consists of 25.5 g of KNO, (potassium nitrate) and 4.5 g of K,SO,…

A: Initially we have taken 25.5 g of solid KNO3 in which we dissolve them and we then check the gram to…

Q: 6. Using Table 2.3 below, identify your unknown electrolyte: TABLE 2.3 Salt van't Hoff i Salt van't…

A: The Van't Hoff factor is the actual concentration of ions present in the solution when the compound…

Q: How do solute particles lower the vapor pressure and elevate the boiling point? Choose all that…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The normal freezing point of a certain liquid X is 7.90 °C, but when 9.4 g of alanine (C,H,NO,) are…

A: We know that : ∆Tf = Kf*m or, Kf = ∆Tf/m  and m = 1000W2/M2W1  From these two equations, we have :…

Q: For a 0.9% m/v of saline solution at 25C, having a density of 1.045 g/mL, determine the freezing…

A: Colligative properties are the properties that depends only number of particles but not on the…

Q: The boiling point of benzene C,H, is 80.10°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A: The expression of boiling point elevation is as follows,                          ∆Tb = Kb × m…

Q: A solution of acetic acid and water contains 205.0 g L-1 of acetic acid and 820.0 g L-1 of water.(a)…

A: The concentration of a solution can be expressed in molality, molarity, formality, normality.…

Q: At 25 C, a solution is prepared by dissolving 22.1 grams of toluene, C,H, in 250.0 mL of benzene,…

A: Since there are multiple sub-parts, we will answer only first three sub-parts. If you require the…

Q: Calculate the boiling point elevation (ATb) of a 2.0 m aqueous ethylene glycol solution. Hint: Kb…

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Q: Abuela asked Mirabel to perform an experiment on freezing point depression. The solution was…

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Q: Concentrated phosphoric acid as sold for use in the laboratory is usually 90% H3PO4 by mass (the…

A: Molarity is defined as the number of moles of solute dissolved in per litre of the solution.  It is…

Q: Prove the statement that an alternative way to express Henry's law of gas solubility is to say that…

A: Henry law explains the solubility of a gas in liquid solution by partial pressure and mole fraction…

Q: Create a solution of equal molarity from matter C and D. If the vapor pressures of this substance C…

A: Equal molarity means equal mole fractions Let mole fraction of C =Xa,D=Xb Xa+Xb=1 Total pressure…

Q: Find the boiling point and freezing point of a solution resulting from the addition of 500 g of…

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Q: Calculate the molality of a solution prepared by dissolving 57.0 g of sodium hydroxide (NaOH) in…

A: Molality is defined as  Molality = moles of solute / mass of solvent in Kg  Mass of solvent (water)…

Q: Imagine that we have a saturated aqueous solution of NaCl. Please choose the correct term to fill in…

A: Solution: We know when we add non volatile solute to the solvent, the vapour pressure is lowered and…

Q: c. Molecule A is the most likely to dissolve both B and C. i. Use intermolecular forces to explain…

A: We need to consider the intermolecular forces to answer this question.

Q: A solution is made using 137.9 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

A:

Q: Abuela asked Mirabel to perform an experiment on freezing point depression. The solution was…

A: In part 3., mass of potassium nitrate is taken as mass of potassium chloride since it was mentioned…

Q: The normal recipe for preparing Kool-Aid® calls for adding the entire package and 1 cup of sugar to…

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Q: The vapor pressure of pure water at 25 °C is 23.8 torr. Determine the vapor pressure (torr) of water…

A: The vapor pressure (torr) of water at 25 °C above a solution prepared by dissolving 15.0 g of urea…

Q: A solution is made by dissolving 70.0 grams of KNO3 (s) in 100 grams of water at 50°C and standard…

A: Answer : Calculate the percent by mass of KNO3 in the solution (ww%) = Mass of soluteMass of…

Q: Adding a nonvolatile solute to a liquid will cause boiling point depression and freezing point…

A: False. Boiling point is the temperature at which vapour pressure of liquid is equal to the…

Q: ching and lear X water treatment systems - Forkly X +…

A: Relative lowering in vapour pressure is defined as the decrease in vapour pressure of solvent when…

Q: Consider two solvents: Solvent X has a higher freezing point depression constant than Solvent Y. A…

A: We would use formula of freezing point depression to determine which solution would have lower…

Q: A solution is prepared by dissolving 31.7 g urea, (NH2)2CO, in 120.0 g water. Calculate the boiling…

A: Solution The boiling point elevation equation can be represented as below ∆T=Kb×m here, Kb is the…

Q: 135 g of acetone ( C3H6O) and 265 of water are mixed at 20.  Find the vapor pressure of this…

A: Given :-  Mass of water = 265 g  Mass of acetone = 135 g  Vapour pressure of water at 20°C = 25 torr…

Q: When 142. g of alanine (C3H,NO2) are dissolved in 1500. g of a certain mystery liquid X, the…

A: Calculate the number of moles of alanine. The molar mass of alanine is 89.09 g/mol.

Q: Give one example in which a high concentration of a solute is beneficial and one example in which…

A: High concentration of solute is hypotonic solution, The beneficial hypotonic solution is 3% NaCl…

Q: Non-volatile solutes are the required solutes for the colligative property on boiling point because…

A:

Q: Which statement properly describe Roult's Law? Raoult's law states that the vapor pressure of a…

A: Roult's law says that the vapour pressure of the pure solvent decreases when some amount of…

Q: Which of the following statements is NOT true? A. Dissolution and crystallization are opposite…

A: We have to tell among the given statements which one is not correct. The given statements are…

Q: Two solutions are prepared using the same solute: Solution A:     0.27 g of the solute dissolves in…

A:

Q: have a 10% by mass salt water solution (NaCl) with a density of 1.04 g/ml. Find the molarity,…

A: Given,  10% by mass, means 100 g solution contains 10g NaCl  Mass of NaCl = 10 g Moles of NaCl =…

Q: What is Solubility? 2.What are unsaturated, saturated, supersaturated solutions? 3.What are the…

A:

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of cobalt(II) chloride (129.8…

A: GivenBoiling point of water = 100°CMoalr mass of CoCl2 = 129.8 g/molemass of water = 250 grams =…

Q: All solute dissolve in solvent? True or false

A: Solution is equal to solute plus solvent  Solvent - major components Solute - minor components

Q: At 45°C, the vapor in equilibrium with a solution of ethanol (eth) and chloroform (chl) has a…

A: We have find out the partial pressures in the vapor phase. b. Calculate pure chloroform's vapor…

Q: Explain the relationship between solubility and temperature for solute KNO3. Include solute KNO3’s…

A: Solubility is the amount of a substance that is required to form a saturated solution in a given…