3. A,Hs of water is 6024 Jmol-1 at 273 K. The densities of solid and liquid water are 0.915 and 1.000 g/ml, respectively. What is the freezing point of water under 100 bars of pressure? fus

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

A: Pure benzene (solvent) freezing point = Tp = 5.49 °C Freezing point of Solution = Ts = -13.0 °C Kf…

Q: The freezing point of benzene is 5.5 ° C. What is the freezing point of a solution of 5.00 g of…

A: Molar mass of naphthalene is is 128.17 g/mol Number of moles of naphthalene can be calculated as:

Q: A compound contains 42.9% C, 2.4% H, 16.6% N, and 38.1% O by mass. The addition of 3.16 g of this…

A:

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: 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 vehicle radiator containing 4450 g of water, the freezing point of the water drops by 6.73 °C.…

A: Given data, Mass of water (W2) = 4450 g Depression in freezing point (ΔTf) = 6.73 °C Freezing point…

Q: What mass of fructose, C5H10O5 (molar mass is 150.2 g), in grams must be added to 115 g H2O to lower…

A: The question is based on the concept of solutions.   Molality is a method of expressing…

Q: The boiling point of ethanol (C2H5OH) is 78.5 ° C. What is the boiling point of a solution of 14.4 g…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: Dre The freezing point of ethanol, CH₂CH₂OH, is -117.30 °C at 1 atmosphere. A nonvolatile,…

A: Given - Freezing point of ethanol =117.30°C Weight of saccharin= 11.59 gram  Weight of ethanol…

Q: A 13.1 g sample of a new chemical is dissolved in 102.4 g of H20. The freezing point of the…

A: The difference between freezing point of Pure solvent and it's solution is called depression in…

Q: - 1 The molal freezing point depression constant K₁=2.02 °C-kg-mol for a certain substance X. When…

A:

Q: Some ethylene glycol, HOCH2CH2OH, is added to your car’s cooling system along with 5 kg of water. If…

A: Solution has two components. One is solute and other is solvent. When solute is added to solvent it…

Q: Calculate the freezing point and boiling point of a solution con- taining 10.0 g of naphthalene…

A: Given information: Mass of naphthalene = 10.0 g Volume of benzene = 100.0 mL Density of benzene =…

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 common laboratory solvent ethanol is often used to purify substances dissolved in it. The vapor…

A:

Q: 5. What is the freezing point of a solution prepared by adding 239.0 g of copper(II) sulfate…

A:

Q: The freezing point of water H2O is 0.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A: The depression in the freezing point is a colligative property and it is directly proportional to…

Q: 1. A student determines the molar mass of methanol, CH3OH by the same method used in this…

A: Answer: This question is based on the colligative property of the solution. Colligative property of…

Q: Nicotinamide is a water-soluble nonelectrolyte vitamin important in metabolism. Addition of 3.88 g…

A:

Q: What molality of N a Cl is required to lower the freezing point of water to -12.4 degrees C? Use…

A: Given: Freezing point of water with NaCl solution = -12.4 oC And Kf of water = 1.853 oC/m.

Q: 17.55 g of an unknown compound decreased the freezing point of 138 g of benzene (Kf= 5.12 ∘C  /m) by…

A: Detail mathematical calculation is shown below

Q: The freezing points and boiling points of the solution which contains 22.1g Nacl in 129 ml. of water…

A:

Q: 3. What is the freezing-point depression of water in a solution of 17.1 g of sucrose, C12H22011, in…

A: Freezing point of a liquid is defined as the temperature at which it gets converted to solid.…

Q: 10.Pure ethanol (C2H5OH) typically freezes at -114.6 °C, with a Kf value of -1.99 °C/m. If 50.00 g…

A: Pure ethanol freezes at -114.5 °c 50.00 g of Ca(NO3)2 is added in 700 g of ethanol. Freezing point…

Q: A certain liquid X has a normal freezing point of-3.00 °C and a freezing point depression constant…

A:

Q: What is the freezing point of an aqueous solution that boilsat 105.0 °C?

A: As the solution is aqueous so get the value of Kb and Kf with respect to water as, Boiling point…

Q: The freezing point of ethanol, CH3CH2OH, is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte…

A:

Q: A 5.00 gram sample of lauryl alcohol is dissolved in 100 g of benzene (Kf = 5.10 degrees C/m). The…

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

Q: The freezing point of ethanol, CH3CH2OH, is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte…

A:

Q: When 225. g of urea (CH,N,0) are dissolved in 1200. g of a certain mystery liquid x, the freezing…

A:

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

A:

Q: The freezing point of ethanol, CH3CH2OH, is -117.300 °C at 1 atmosphere. Kf(ethanol) = 1.99 °C/m In…

A: Given, In a laboratory experiment, students synthesized a new compound and found that when 13.34…

Q: If 4.27 grams of sucrose, C12H22O11, are dissolved in 15.2 grams of water, what will be the boiling…

A: Calculate the molality of the solution. Moles of sucrose=4.27/342.3 g/mol=0.012 mol Molality=0.012…

Q: The boiling point of ethanol (C₂H₅OH) is 78.5°C. What is the boiling point of a solution of 6.4 g…

A: Elevation in boiling point of solution is given by  ∆Tb=i.m.Kb where i=Van't Hoff factor = 1   ,…

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

A: