1) How many grams of antifreeze (HOCH2CH20H) would have to be added to 15.0 kg of water in a truck's cooling system to keep it from freezing during a cold Ohio winter with temperatures of -20.0 °C? (Kf for water = 1.86 °C/m)

Q: A solution of Toluene (C7H8) in 301 g of Cyclohexane (C6H12) has a boiling point of 90.30 °C. What…

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Q: What volume of ethanol in milliliters (density = 0.7893 g/cm3) should be added to 427 mL of water in…

A: dddxxx The amount of substance dissolve in a given volume of solution is called density of the…

Q: Lithium chloride (LiCl) has a lattice energy of -834.0 kJ/mol and a heat of hydration of –871.0…

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Q: Pure benzene, C6H6, freezes at 5.5°C and boils at 80.1°C. What is the boiling point of a solution…

A: elevation in boiling point when a volatile solvent is added to a pure solvent then the boiling point…

Q: The boiling point of benzene, C6H6, is 80.1°C at 1 atmosphere. One nonvolatile, nonelectrolyte that…

A: Kb = 2.53oC/mmass of DDT = 15.67 gmolar mass of DDT = 354.476 g/molT(solvent) = 80.1oCi = 1 as the…

Q: 1. The freezing point of pure benzene (C₆H₆) is 5.49 °C. The freezing point of a solution made using…

A: Given that freezing point of pure benzene (C₆H₆) is 5.49 °C The freezing point of a solution = -13.0…

Q: A coolant mixture for the car radiator is prepared by mixing water and ethylene glycol, C2H4(OH)2.…

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Q: 13.6 g of solid ammonium nitrate (NH4NO3, molar mass 80.052 g/mol) is dissolved in 120 mL of water.…

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Q: One beaker contains 26 mL of 1.60 M HCl, and a second beaker contains 53 mL of 0.40 M NaOH. Both…

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Q: Why does the water in swimming pool remain cold even until noon after cold night?

A: Water in swimming pools remains cool even during hot summer. This is because water has high…

Q: How many grams of oxygen and carbon dioxide are consumed and formed, respectively, during the…

A: Note: Since you have posted multiple questions, we will provide the solution only to the first…

Q: 610g of glycol (C2H6O2) was added to 1.0 kg of water. When pure water boils at 100°C, at what…

A: A) 101.8°C Given that, Weight of Glycol (C2H6O2)  = 610 g Moles of Glycol (C2H6O2) n = 610 g/62…

Q: 6. What is the boiling point of a solution that contains 190. g of MgCl₂ in 100. g of water? (Kb for…

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Q: Calculate the heat of solution if 5.0 g of benzoic acid, C6H5COOH, is dissolved in 45.0 g of water…

A: Heat change of the reaction is measured as  q = m*c*∆T Where  m = mass of water (g) c = specific…

Q: What is the mass (in g) of ethylene glycol, a non-electrolyte, needed to add to 4.21 L of water to…

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Q: Ethanol (Kb = 0.374 °C/m) typically has a boiling point of 78.3°C. What will be the new boiling…

A: The elevation is boiling point is given by  ΔTb = Kb X m X i where m = molality of solution = moles…

Q: Calculate the final temperature of the resulting solution

A: Use heat conservation method Heat released by neutralization reaction + heat released by Ice(-60 to…

Q: How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator…

A: According to the equation for depression in freezing point  △Tf = Kf × wGMW×Wkg where w = Wt of…

Q: The following information are given for aqueous solutions of solid Y: - If solid Y is dissolved in…

A: Given solubility of Y at 25oC = 30g Y/ 100 g H2O           solubility of Y at 15oC = 40g Y/ 100 g…

Q: Ethylene glycol (C₂H6O2; MW=62.06844 g/mol), the main component of antifreeze, must be added to 5.0…

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Q: Magnesium chloride is often used to melt ice on sidewalks. Considering that the solubility of…

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Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of barium chloride (208.2…

A: Given,(i) molar mass of barium chloride = 208.2 g/molchange in freezing point = 0.450 oCmass of…

Q: What mass of a nonvolatile molecular substance (MM = 50.0 g/mol) must be added to 500 g H2O to…

A: We have to predict the mass of non volatile substance.

Q: Dissolving 4.45 g of KOH in 50.0 g of water raises the temperature of a calorimeter from 21.0 C to…

A: We have to predict the heat of solvation per gram of base.

Q: the A solution of toluene (C₂H₂) in 301 g of cyclohexane (CH₁₂) has a boiling point of 90.30 °C.…

A: T(solution) = 90.30oCT(solvent) = 80.90oCi = 1 as C7H8 is non-electrolyteKbC/m

Q: Determine the freezing point (in °C) of a solution that contains 204 g of CsH1206 dissolved in 234…

A: Formula used :-  ∆Tf = Kf×m  Where m = molality

Q: What is the boiling point of the automobile radiator fluid prepared by mixing 1.04  L of ethylene…

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Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of silver acetate (166.9…

A: Answer:- This question is answered by using the simple concept of elevation in boiling point. Using…

Q: An aqueous zinc bromide solution (ZnBr2) boils at 100.250 °C.  What is the molality of this…

A: Given  The Boiling point of Aqueous solution ZnBr2  = 100.250 ℃  Kb  of water   = 0.512 ℃/m…

Q: If 20.1408 g of KNO, (MM = 101.10 g/mol) is dissolved in 15.06 mL of water at 66.8°C (Density(H,O)…

A: Answer: Solubility of a compound in water at a particular temperature is the maximum amount of…

Q: How many liters of the antifreeze ethylene glycol CH2(OH)CH2(OH) would you add to a car radiator…

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Q: Complete combustion of 10.98 g of a compound of carbon, hydrogen, and oxygen yielded 16.10 g CO₂ and…

A: The objective of the question is to determine the molecular formula of the compound.It is given…

Q: Find the boiling point of a solution containing 0.520 g of glucose (C6H1206) dissolved in 80.2 g of…

A: Given  mass of glucose = 0.520 g  molar mass of glucose = 180 g/mol  mass of water = 80.2 g  Kf for…

Q: The freezing point of water is 0.00 °C at 1 atmosphere. A student dissolves 13.51 grams of potassium…

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Q: If 10 g sucrose (C12H22O11) is dissolved in 500 g water What is the boiling point of the resulting…

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Q: When 10 g of a certain substance was dissolved in 100 g of water, the boiling point of water became…

A: Given that: Mass of substance = 10g  Mass of water solvent = 100g  Boiling point of solution (Tb) =…

Q: The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 13.21 grams of sodium…

A: Given mass of sodium chloride = 13.21 g Molar mass of sodium chloride = 58.40 g/mol Number of moles…

Q: 8.Ethylene glycol (EG), CH2(OH)CH2(OH), is a common automobile antifreeze. Calculate the freezing…

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Q: A 83.5 g sample of a nonelectrolyte is dissolved in 250.1 g of water. The solution is determined to…

A: Given: The temperature of the solution is 102.3 degrees Celcius and the temperature of the pure…