How many grams of ethylene glycol (C2H6O2) must be added to 1000. g water to create an automobile radiator coolant mixture that will not freeze at – 15⁰C?

Q: Indicate the most important types of intermolecular attractions in the following solutions: HCl(g)…

A: Hydrogen Chloride gas, HCl is a polar Molecule in which Hydrogen is slightly electropositive (…

Q: Which molecule would you expect to be more soluble in water: CCl4 or CH2Cl2 ?

A:

Q: Which of the following accurately lists compounds in order of increasing solubility in water? LİCI,…

A: Polar compounds are more soluble in water.

Q: If 11.2 g of sugar (MM= 342 g/mol) is dissolved in 500 g water at 30 degrees celsius, a. how many…

A: Given information,   11.2 g of sugar (MM= 342 g/mol) is dissolved in 500 g water at 30 degrees…

Q: You add 1.00 kg of ethylene glycol (C2H6O2) antifreeze to 4450 g of water in your car’s radiator.…

A: You add 1.00 kg of ethylene glycol (C2H6O2) antifreeze to 4450 g of water in your car’s radiator.…

Q: What is the boiling point of a solution containing 82.1 g of I2and 700.0 g of chloroform, CHCl3.…

A: If a non-volatile compound is added to the solvent, its boiling point will be increased. A liquid…

Q: If 11.2 g of sugar (MM= 342 g/mol) is dissolved in 500 g water at 30 degrees celsius, a. how many…

A: a)  ∆T = Kb × m       (102 - 100) = 0.512 × mass / 342      Mass = 1335.94 g of sugar  b) ∆T = Kf ×…

Q: 4) If the outside temperature in winter is -9 °C, how many grams of ethylene glycol (HO-CH,-CH,-OH)…

A: Freezing point of water = 0 ◦C or 273.15 K Freezing point of solution = - 9 ◦C or (– 9 + 273.15) K…

Q: carbon tetrachloride has a density greater than that of water. Would carbon tetrachloride be a good…

A: Given in following question carbon tetrachloride and ethyl alcohol 1. )Why higher density CCl4 have…

Q: Which of the following substances is MOST soluble in water? a. C2F4 b. CCl4 c. C3H7OH d. C5H12

A: We know that " like dissolves like ". That is polar compounds dissolve in polar solvents and…

Q: What mass of urea, CO(NH2)2, a non-volatile non-electrolyte, must be dissolved in 250.0 g of water…

A: We have mass of solvent as 250 g, urea is a solute, vapour pressure is lowered by 10% . We have to…

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

A: Given: The coldest temperature in the area = −21.0°C The density of ethylene glycol = 1.11 g/mL We…

Q: How much energy is given off when 563.8 g of NaCl solidifies at its freezing point of 801C

A:

Q: A solution is prepared by dissolving 396g of sucrose (C12H22O11) in 624 g of water. What is the…

A: Colligative properties are those physical properties of a solution which depend on number of solute…

Q: 1- A solution is prepared from 3 gm of NaOH and 75 gm of water. Kf -1.86 C/m, K, = 0.521 C/m and…

A: Answer..

Q: 17. Which would be more effective in increasing the boiling point of 500.0 g water? A. 100.0 g…

A: Ans) 100g table salt, NaCl

Q: you add 1.00 kg of ethylene glycol (C2H6O2) antifreeze to 4450 g of water in your car’s radiator.…

A: Given that: Amount of ethylene glycol = 1.00kg Amount of water = 4450g Vont hoff's factor (i) = 1…

Q: 5. increasing boiling point CH. H2O NaClfin water) CH,OH CH CH, 6. decreasing melting point CH4 H2O…

A:

Q: Which of these compounds is most soluble in water and why?          (A) CH4; forms hydrogen bonding…

A: Hydrogen bonding Hydrogen bonding is present when one of the electronegative atom bears hydrogen…

Q: Would you expect cyclohexane, C,H12, to be miscible with water? Explain why or why not.

A: 1.   Cyclohexane is a cycloalkane with the molecular formula C6H12. Cyclohexane is non-polar.…

Q: Which solid displays the greatest solubility in water at 80 °C? O NANO3 NaBr KNO3 KBr

A:

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: How many grams of ethylene glycol (62.1 g/mol) are required to raise the boiling point of 3200 grams…

A:

Q: PI+ 7,5 kcal EX 8. True or False. The energy required to melt a solid is higher than the energy…

A: Given: Energy required to melt a solid is higher than the energy required to vapourize a liquid.  To…

Q: 60 KCL NaCi 20 Ce (So) 20 40 60 80 10 Temperature ("C) 5. Which ionic solid is most soluble in water…

A:

Q: student dissolves 10.82 grams of estrogen, C18H24O2 (272.4 g/mol), in 158.1 grams of ethanol. Use…

A: Solution -

Q: A 53.3 % by mass solution of propylene glycol (C3H3O2) in water is used in cars to prevent…

A: In this question, we will determine the new boiling point of the solution after addition of 53.3% by…

Q: Is ethanol soluble in C6H12? Is Ethanol soluble in H20? Is ethanol polar or nonpolar?

A: The objective of the question is to find the solubility of ethanol in water and cyclohexane .

Q: Which of these would be the most soluble in water? In other words, which has intermolecular forces…

A: Among the following, CH3CH2OH are more soluble in water.

Q: Calculate the freezing and boiling points for 0.45 mol ethylene glycol a d 0.15 mol KBr in 150 gram…

A: kf for water is 1.186K.kg.mol-1.kb for water is 0.512 K.kg.mol-1.The freezing point for 0.45mol…

Q: solution is prepared by dissolving 396 g of sucrose (C12H22O11) in 624 g of water. What is the vapor…

A:

Q: A motorist fill his radiator with an anti-freeze mixture that states that the mixture is good to -35…

A: Since, Kelvin temperature = ℃ temperature + 273 thus,

Q: Calculate the freezing and boiling point of 0.25m glucose in ethanol. Ethanol normal boiling point…

A: The freezing point depression and boiling point elevation are given by

Q: How many grams of table sugar (C12H22O11) must be added to 200 g H2O to raise the boiling point of…

A: The given data is as follows: The mass of water = 200 g = 0.200 kg The boiling point of waterTb° =…

Q: What mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepare a 0.0500 molal…

A: Molality (m) :-  The number of moles of solute dissolved in one kilogram of solvent is defined as…

Q: Cinnamaldehyde (132.16 g/mol) is used as a flavoring agent. What mass of cinnamaldehyde must be…

A: Elevation in boiling point is a colligative property, i.e. it depends on the amount of solute…

Q: You pour 84 mL of 1.5 M HNO3 and 284 mL of 0.50 M KOH over 50 g ice. The solutions and the ice were…

A: Molarity of HNO3 = 1.5 M  Volume of HNO3 = 84 mL = ( 841000 ) L = 0.084 L  Molarity of KOH = 0.50 M…

Q: Which of the following factors affect the solubility of a gas in a liquid solvent? I. Pressure II.…

A: Solubility of gas in a liquid solvent is dependent on:

Q: Which of the following gases would you expect to be most soluble in water? * O methane (a component…

A:

Q: Which of the following gives the correct order of solubility in water? (1) H₂N CH3 (iii) > (ii) >…

A:

Q: Answer the following question about an aqueous solution of tetrahydrofuran (C4H8O)with a…

A: The energy required can be found by knowing the mass of tetrahydrofuran needs to evaporate.

Q: Compare boiling points and solubilities in water for each pair of compounds. Explain  a. Ammonia,…

A: a. Ammonia, NH3 and methane, CH4 - Ammonia is a polar Molecule while methane is a non polar…

Q: A certain substance X condenses at a temperature of 113.6 °C. But if a 350. g sample of X is…

A: Liquid condensation temperature corresponds to the temperature at which it boils . Thus boiling…

Q: Why are the freezing and boiling points of water higher than would be expected for a compound of its…

A: Water is composed of two atoms of hydrogen and one atom of oxygen. Boiling point is the temperature…

Q: The normal boiling point of CCL4 is 76.8 °C and its Kb = 5.02C / m . Calculate the boiling point of…

A: Given: KbCCl4​​=5.02   Tb (CCl4​)​=76.8oC   Molarity =1 m

Q: Diethyl ether (C4H10O2) has heat of fusion DHfus = +7.3 kJ/mol.  Find the heat of freezing 12.5 g of…

A: Given: The heat of fusion of diethyl ether (C4H10O2), ∆Hfus = +7.3 kJ/mol We have to calculate the…

Q: Some people add salt to pasta water to cook the pasta faster by increasing the cooking temperature.…

A:

Q: Which of the following substances should you expect to be more soluble in benzene than in water? CS,…

A: Benzene is nonpolar, organic solvent water is a polar solvent....