Freezing point of pure water

What is the freezing point of a solution made by dissolving 450 g of ethylene glycol (C2H6O2) in 550 g of water? The freezing
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2. asked by Cecilia
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you are conducting a freezing-point determination in the laboratory by using an aqueous solution of KNO3. The observed freezing
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2. asked by Anonymous
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When saccharin is added to pure water, the freezing point of the resulting solution drops to -5.0C, Calculate the freezing point
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2. asked by Lala
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What is the freezing point of an aqueous 2.65 m calcium chloride (CaCl2) solution? The freezing point of pure water is 0.0ºC
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2. asked by David
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What is the freezing point of an aqueous 2.25 m potassium nitrate (KNO3) solution? The freezing point of pure water is 0.0ºC
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2. asked by Cecillia
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What is the freezing point of an aqueous 2.25 m potassium nitrate (KNO3) solution? The freezing point of pure water is 0.0ºC
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2. asked by Cecilia
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1. Which of the following is not true?a. The freezing point of sea water is lower than the freezing point of pure water. b. The
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2. asked by Cameo
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Antifreeze is used in automobile radiators to keep the coolant from freezing. In geographical areas where winter temperatures go
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2. asked by emma
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What concentration of aqueous CaCl2 solution freezes at -10.2ºC? The freezing point of pure water is 0.0ºC and Kf of pure
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2. asked by Michelle
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What concentration of aqueous CaCl2 solution freezes at -10.2ºC? The freezing point of pure water is 0.0ºC and Kf of pure
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2. asked by Cecilia
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When 18 g of ethylene glycol C2H6O2 is dissolved in 150 g of pure water, the freezing point of the solution is_C . (The freezing
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2. asked by david
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When 18 g of ethylene glycol C2H6O2 is dissolved in 150 g of pure water, the freezing point of the solution is_____ C. (The
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2. asked by jerry
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When 18 g of ethylene glycol C2H6O2 is dissolved in 150 g of pure water, the freezing point of the solution is ___ (degrees)C. (
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2. asked by Jared
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the addition of 50 g of salt to a sample of pure water causes its freezing point to be reduced from 0.0 C to -3. 15 C. Determine
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2. asked by Ya Girl
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I had to perform an experiment for the freezing point depression in which we had to determine the freezing points of water as a
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2. asked by Hannah
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The equation for lowering the freezing point of a solvent is given in your manual. Given that the freezing point for the pure
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2. asked by Asia
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From the following:pure water solution of C12H22O11 (m=0.01) in water solution of NaCl (m=0.01) in water solution of CaCl2
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2. asked by Sal
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From the following:pure water solution of C12H22O11 (m=0.01) in water solution of NaCl (m=0.01) in water solution of CaCl2
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2. asked by Anonymous
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What are the temperatures for freezing water and boiling water on the Kelvin temperature scale?a)273K for freezing water; 373K
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2. asked by Kristie
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Freezing point of pure water = -2, Freezing point of Unknown solution = -1Mass of unknown in 50g of water = 1.9964g. Calculate
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2. asked by Anna
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Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that
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2. asked by Jaden
3. 821 views
assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that
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2. asked by Colin
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The freezing point of pure cyclohexane is 6.60°C and the freezing point depression constant is 20.00°C/m. The freezing point
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2. asked by Anonymous
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The freezing point of pure cyclohexane is 6.60°C and the freezing point depression constant is 20.00°C/m. The freezing point
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2. asked by Anonymous
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Freezing-point depression can be used to determine the molecular mass of a compound. Suppose that 1.28 g of an unknown molecule
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2. asked by Rukky
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Freezing-point depression can be used to determine the molecular mass of a compound. Suppose that 1.28 g of an unknown molecule
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2. asked by Rukky
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If the freezing point of pure toluene is -95.15 oC and its freezing point depression constant is -8.38 oC/molal, what is the
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2. asked by Jaden
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A freezing point depression experiment was conducted using cyclohexane as the solvent. The freezing point of pure cyclohexane is
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2. asked by Danielle
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A solution is prepared by combining 3.72 grams of an unknown non-electrolyte with 325.0 grams of chloroform. The freezing point
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2. asked by Sarah
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Assuming complete dissociation of the solute, how many grams of KNO_3 must be added to 275mL of water to produce a solution that
1. 1 answer
2. asked by Melanie
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Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression
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2. asked by hereyago
3. 790 views
Question37 to 40.37. The pH of pure water is neutral, the best explanation for this is (A) in pure water, the [H] and [OH]
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2. asked by Abdulrazak umar Usman
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A solution is prepared by dissolving 5.00 g of glycerin (C3H8O3) in 201 g of ethanol (C2H5OH). The freezing point of the
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2. asked by asa
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Calculate the freezing of solution of 3.46 g of compound,X, in 160 g of benzen.when separated sample of X was vaporised, it
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2. asked by Ethio
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the addition of 50 g of salt to a sample of pure water causes its freezing point to be reduced from 0.0 degrees Celsius to -3.15
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2. asked by randomchik
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Explain why the freezing point of a pure solvent remains constant whereasthe freezing point of a solution continues to decrease
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2. asked by Ali
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Explain why the freezing point of a pure solvent is constant, whereas the freezing point of a solution decreases with steady
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2. asked by Cassie
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freezing point of pure solvent remains constant whereas the freezing point of a solution continues to decrease with time
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2. asked by areen
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What is the freezing point of a solution containing 4.134 grams naphthalene (molar mass = 128.2) dissolved in 30.0 grams
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2. asked by X
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assuming complete dissociation of the solute, how many grams of \rm KNO_3 must be added to 275 \rm mL of water to produce a
1. 1 answer
2. asked by a
3. 708 views
the difference between the boiling point and the freezing point of pure water at standard pressure is(1)32 K (2)273 K (3)100 K
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2. asked by Jazmin
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the difference between the boiling point and the freezing point of pure water at standard pressure is(1)32 K (2)273 K (3)100 K
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2. asked by Jazmin
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Analysis of a compound gave 39.50% C, 2.20% H, and 58.30% Cl. When 0.855 g of this solid was dissolved in 7.50 g of napthalene,
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2. asked by Chris
3. 1,088 views
When 0.855 g of this solid was dissolved in 7.50 g of napthalene, the solution had a freezing point of 78.0° C. The pure
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2. asked by Justyn
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Calculate the freezing point of a solution of 3.46 g of a compound,X,in 160 g of benzene. When separate sample of X was
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2. asked by Ethio
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A) We have an experiment , using the solution of KNO3 , measured freezing point of solution is -1.15 degree , and using a sample
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2. asked by MAD
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An aqueous salt solution has a freezing point of -.5 degrees Celsius and causes neither swelling or shriveling of cells. The kf
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2. asked by Anonymous
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1. Would it be advisable to determine the freezing point of pure p-dichlorobenzene with one thermometer and the freezing point
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2. asked by Larry
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1. Would it be advisable to determine the freezing point of pure p-dichlorobenzene with one thermometer and the freezing point
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2. asked by Allie
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What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water? The molal freezing
1. 3 answers
2. asked by Henry
3. 1,647 views
A student wishes to test the hypothesis that adding antifreeze to water lowers the freezing point of water. What would be the
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2. 75 views
Help! I have to get this done tonight and I cannot get this answer right. A solution of water (Kf=1.86 ∘C/m) and glucose
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2. asked by Emmalee
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Why would it not be useful to just use pure ethanol or pure ethylene glycol as an antifreeze since their normal freezing points
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2. asked by redgy
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Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that
1. 2 answers
2. asked by Nikita
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When an aqueous solution is cooled to low temperatures, part of the water freezes as pure ice. What happens to the freezing
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2. asked by Anonymous
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Is freezing an endothermic or exothermic process? How do you know?(1 point)Responses Freezing is endothermic because as water
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2. 126 views
5.00kg glycol, C2H4(OH)2, [this is anti-freeze!] is added to your radiator. If your radiator contains 12.0kg of water, what
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2. asked by Cassie
3. 2,426 views
Which change is chemical?(1 point)Responses water freezing: liquid water becoming solid water water freezing: liquid water
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2. 59 views
Predict the sign of ΔG0 and ΔSuniverse for water freezing at -10℃ and 1 atm. Note that the normal freezing point of water is
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2. 68 views
What is the freezing point of a solution prepared by adding 264g of copper(ii) sulfate to 4 liters of water? The freezing point
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2. asked by Bruce Wayne
3. 2,171 views
QuestionIs freezing an endothermic or exothermic process? How do you know?(1 point) Responses Freezing is exothermic because as
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5.The freezing point of salt water is _____ the freezing point of fresh water. greater than equal to lower than related to
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2. 61 views
Which of the following would be described as a chemical reaction?Responses A Water evaporatingWater evaporating B Salt
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2. 36 views
Which has the lowest freezing point?A. pure water B. 0.5 M ionic NaCl C. 0.5 M ionic CaCl2 D. 0.5 M ionic AlCl3 E. 0.5 M
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2. 54 views
calculate the freezing point of a solution of a 3.46g of a compound, X, in 160g of benzene. when a separate of X was vaporised,
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2. asked by Temsgen
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When substances such as sugar and table salt are dissolved in water, the freezing points of the new solutions are lower than the
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2. asked by kayci
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When substances such as sugar and table salt are dissolved in water, the freezing points of the new solutions are lower than the
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2. asked by kayci
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When substances such as sugar and table salt are dissolved in water, the freezing points of the new solutions are lower than the
1. 2 answers
2. asked by kayci
3. 1,011 views
a solution is prepared by mixing 2.17g of an unknown non-electrolyte with 225.0g of chloroform. The freezing point of the
1. 1 answer
2. asked by hershi
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Which has the lowest freezing point?Select one of the options below as your answer: A. pure water B. 0.5 M ionic NaCl C. 0.5 M
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2. asked by ricky
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Is freezing an endothermic or exothermic process? How do you know?(1 point) Responses Freezing is exothermic because as water
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Is freezing an endothermic or exothermic process? How do you know?(1 point)Responses Freezing is exothermic because as water
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2. 121 views
What is the freezing-point depression of water in a solution of 100g of sucrose, C12 H22 O11, and 500g of water? (Molar freezing
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2. asked by Anonymous
3. 893 views
From the following:1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of
1. 1 answer
2. asked by CC
3. 938 views
From the following: 1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of
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2. asked by CC
3. 1,549 views
What is pure liquid?What is impure liquid? Thx You are going to have to define these in context. "Pure" is a relative term. For
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2. asked by GgooD
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I had to perform an experiment for the freezing point depression in which we had to determine the frezzing points of water as a
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2. asked by Hannah
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I had to perform an experiment for the freezing point depression in which we had to determine the frezzing points of water as a
1. 6 answers
2. asked by Hannah
3. 739 views
had to perform an experiment for the freezing point depression in which we had to determine the frezzing points of water as a
1. 1 answer
2. asked by Hannah
3. 610 views
Listen to the audio clip. Which of the following sentences has the same meaning?(1 point) Responses I am certain that the river
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2. asked by sussy
3. 102 views
0.15 grams of benzene (C6H6) is dissolved into 4.7 grams of melted biphenyl. The freezing point of the mixture was determined to
1. 1 answer
2. asked by Taylor
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0.24 grams of benzene (C6H6) is dissolved into 4.9 grams of melted biphenyl. The freezing point of the mixture was determined to
1. 1 answer
2. asked by Erin
3. 731 views
which of the following liquids have the highest freezing point?a- aqueous Fe(NO3)3 (0.030) b- aqueous glucose (0.050 m) c-
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2. asked by Ania
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What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of Ca(NO3)2(formula weight = 164 g/mol) in 115 g of
1. 3 answers
2. asked by jessie
3. 4,646 views
Antifreeze protects a car from freezing and from overheating. Calculate the freezing-point depression of a solution containing
1. 1 answer
2. asked by Veronica
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When 0.5mol of a certain ionic substance is dissolved in 1.0kg of water, the freezing point of the resulting solution is -3.72
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2. asked by dakota
3. 943 views
Antifreeze protects a car from freezing and from overheating. Calculate the freezing-point depression of a solution containing
1. 4 answers
2. asked by Sam
3. 2,583 views
Is freezing an endothermic or exothermic process? How do you know?(1 point)Freezing is exothermic because as water bonds into
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2. 62 views
how many grams of methanol must be added to 5.00kg of water to lower its freezing point to -12.0 degrees C? for each mole of
1. 2 answers
2. asked by jennifer
3. 1,230 views
When 15.0 g of ethyl alcohol, C2H5OH, is dissolved in 750 g of formic acid, the freezing point of the solution is 7.20 C. The
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2. asked by bree
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Pure glacial acetic acid HC2H3O2 has a freezing point of 16.62 degrees C. Its freezing point depression constant is Kf=3.57
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2. asked by Anonymous
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Find the molecular mass of a solute by freezing point depression. Solvent: para-dichlorobenzene Freezing point of pure solvent:
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2. asked by anonymous
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How does frost form?Objects that are below the freezing point of water, attract and freeze water vapor in the air. Water must
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2. asked by cesat
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If the freezing point of a pure solvent is 6.00 degrees Celsius, will the solvent which is contaminated with a soluble material
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2. asked by G
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James is cooking pasta and adds 1.40 g of NaCl (NaCl = 58.5 g/mol) to 75.6 g of water, in which the NaCl dissociates completely.
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2. 115 views
Suppose 1.500 g of a compound is dissolved in 35.00 g of camphor. The freezing point of pure camphor is 178.75 °C, the freezing
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2. asked by stefani
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Which action describes chemical weathering?(1 point)Responses water carving out a limestone cave water carving out a limestone
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2. asked by Jaz
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A solution prepared by dissolving 3.00 grams of ascorbic acid (vitamin C, C6H8O6), in50.0 grams of acetic acid has a freezing
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2. asked by Ace
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When 10grams of sodium chloride, NaCL,dissolves in 100grams of water, the freezing point of the water gose down to -5.9C. when
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2. asked by Jessica
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When doing a simple distillation of ethanol-water, is the vapor pure ethanol or does it also contain water? (knowing that
1. 1 answer
2. asked by Namie
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