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: How many grams of sugar must be added to 1000 g water to make it freeze at -2.000 degrees celsius?

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: What mass of NaCl would you need to add to 1.00 kg of water to achieve a freezing point of 5 degrees…

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

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Q: Please help

A: The solubility curve of KCl in water is as shown below:

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Q: A sample of salt water will freeze at a higher temperature than a sample of pure water. O True False

A: The freezing point of pure water depends on the surface of the solution or solvent.

Q: In a mountainous location, the boiling point of pure water is found to be 98.0°C. Нow many grams of…

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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…

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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: 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: Compare the effect of drinking 250ml of ice water with the cooling effect of sweating out 250ml of…

A: You must first choose the processes that are occurring, including how many "heating up" processes…

Q: In the northern United States, summer cottages are usually closed up for the winter. When doing so…

A: Depression in freezing point : ∆Tf = i×kf×m0-Tf = 1 ×1.86×52562×3Tf = -5.25°C  Freezing point of…

Q: How many grams of ethylene glycol (C2H6O2) must be added to 1000. g water to create an automobile…

A: Colligative properties: The properties which depend on the ratio of the number of moles of the…

Q: Which is colder, dry ice (solid Co2) subliming -78.5°F or ethyl alcohol freezing at 179°F

A: Thus, while cooling, the temperature of any body exponentially approaches the temperature of the…

Q: How much table salt should be added to 300 g water to lower its freezing point to -2.00°C?

A: Given values here: Freezing point of solution = - 2o C Mass of solvent = 300 g

Q: Which is colder, dry ice (solid Co2) subliming -78.5°F or ethyl alcohol freezing at 179°F?

A: Dry ice is solidified CO2 which is used primarily as a cooling agent having very low temperature.…

Q: The freezing point (Tf) for t-butanol is 25.50°C and Kf is 9.1°C/m. Usually, t-butanol absorbs water…

A: When a non volatile solute is dissolved in a solvent, then there is a decrease in the freezing point…

Q: 2.503 g of ammonium chloride NH4CI are added to a calorimeter cup containing 25.30 g of water at…

A: ∆Hdissolution = -qsolution Heat loss by the solution,  q = m. c . ∆T m is the mass of water c is…

Q: A crystalline white solid is a mixture of glucose and sucrose.is it possible that a ten grammes…

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Q: How much heat in kJ is required to transform a 500-g ice at-15°C into tiquid water at 55°C? (Express…

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Q: At 110°C, which compound has a vapor pressure of 80 kilopascals? (1) ethanoic acid (2) ethanol (3)…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) To identify:…

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Q: The high specific heat of water explains why climates on land near bodies of water are moderate.…

A: Please find your solution below : Specific heat of a substance is defined as the amount of heat…

Q: 1) If a student wants to make 225.0 mL of a 17.65M stock solution of ZnCl 2, how many grams of…

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Q: The boiling point of pure water in Winter Park, CO ( elev. 9000 ft) is 94°C. What is the boiling…

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

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A: Welcome to bartleby!  Introduction :  We have to calculate Kf .

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Q: What mass in grams of CH₃OH (MM = 32.04 g/mol) would need to be added to 390.1 g of water in order…

A: ∆Tf = iKfm

Q: what quantity of heat would be evolved if 5.68g of liquid aluminum freezes at its normal freezing…

A: The answer to the following question is-

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

Q: Pure water freezes at 0oC. What is the freezing/melting point of an aqueous solution containing 37.4…

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Q: The active ingredient in many commercial antifreezes is ethylene glycol (C2H6O2). If you wish to…

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Q: Which solution would be best for spraying on roads to prevent ice from forming? K for water is 1.86…

A: Colligative properties are those properties which depends on the number of moles of a solute. There…

Q: plain in 4-5 sentences) Which sample has the lowest vapor pressure? Why?

A: The colligative properties are the properties of substance which depend upon amount of solute added.…

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When…

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Q: Ethanol has a Kb of 1.22 ºC/m and usually boils at 78.4 ºC. What is the boiling point of a solution…

A: ∆Tb = Kb x Molality Where, Kb = Molal elevation constant; ∆Tb = elevation in boiling point Molality…

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

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Q: The freezing point of diet soda is higher than the freezing point of regular soda, but lower than…

A: This can be explained by a colligative property named as Depression in Freezing point.  Soda(Diet…

Q: A common anti-freeze for car radiators is ethylene glycol, CH2(OH)CH2(OH). How many milliliters of…

A: Given, Volume of water = 6.5L Atmospheric temperature = -20oC Kf of water=1.86K/m Density of water=…

Q: One mole of compound A, with vapor pressure 400 mmHg at 50 °C, mixed with 3 moles of compound B,…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: How much heat in kilocalories is absorbed when 22.0 g of 2-propanol evaporates after being rubbed on…

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

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

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