These are cooling curves of (1) first compound and (2) second compound. Based on the graphs, what are their freezing poin

Q: In our daily lives, where cooling curve and freezing point determination can be observed or applied?…

A: The cooling curve analysis (CCA has been used extensively in metal casting industry to predict…

Q: Antifreeze Protect a car from freexing, It also pvotect it fro Ouerheating. Calculate the freezins…

A: Given ,  Mass of ethylene ethylene  glycol (w) = 100 g Molar mass of ethylene glycol (M) = 62.07…

Q: 11. Calculate the boiling point of the boiling point of 178g of CaCO3 dissolved in 1kg of water?

A: The moles present in given grams is calculated.

Q: You are examining forensics data for a court case and need to identify an analgesic (pain killer).…

A: Given, mass of unknown is 10 g and it is diluting to 250 ml ,  Density of the solution is 0.800 g/ml…

Q: What is the intermolecular force between sodium nitrite and water. What about sodium nitrite and…

A: The intermolecular force between Sodium nitrite(NaNO2) and water(H2O) is Hydrogen bonding because…

Q: forces, polarity, and solubility factors be (from best to worst) to dissolve in dichloromethane…

A:

Q: Is the boiling point of 0.01 mKF(aq) higher or lower than that of 0.01 m glucose(aq)? Explain.

A: Given : aqueous solutions of KF and glucose. Hence the solvent is water. molality of KF = 0.01 m and…

Q: he diagram to the right shows plots of vapor pressure versus temperature for a solvent and a…

A: Given curve is To answer the below questions: (a) Which curve represents the pure solvent and which…

Q: 1. why is it that small drops of liquid tend to assume a sherical form? 2. what is an emulsion? 3.…

A: 1. Due to surface tension small drop of liquid tends to attain minimum surface area. Minimum surface…

Q: Which of the following substances will have the greatest effect on freezing point or boiling point?…

A: As per our guidelines we can only solve first question. Please resubmit other questions as next…

Q: How can we calculate the Boiling-Point Elevation and Freezing-Point Depression?

A: Boiling point elevation depends on the solute and solvent ratio. Freezing point depression is a…

Q: Calculate the boiling and freezing points of 0.22m glycerol in ethanol.  Normal BP ethanol: 78.4 Kb…

A: Given:Normal boiling point of ethanol (Tbo) = 78.4 ℃ = 351.55 K.Kb of ethanol = 1.22 K Kg/mol.Normal…

Q: Which of the following solutions will give the highest boiling point? O a. 10 moles salt in 1 kg…

A: Elevation in boiling point is a colligative property and thus is dependent on the number of solute…

Q: Why does 1 mol of sodium chloride depress the freezing point of 1 kg of water almost twice as much…

A: Depression in freezing point is given by : ∆Tf = i. m. Kf Where  ∆Tf = freezing point depression i =…

Q: Which component of the solution which being described below? it identifies the

A: Solution is the Homogeneous mixture of two or more substances.  it identifies the nature of the…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right. A.…

A: 1) (NH4)3PO4  Ammonium phosphate. t is an unstable compound with a boiling point of 130 C°. The…

Q: the freezing point and boiling point of a 0.55 m  CH3OH in water. (Kf = 1.8oCkg/mol;  kb= 0.51 oC…

A: Given, Molality = 0.55 m Kf = 1.8°C kg/mol Kb = 0.51°C kg/mol

Q: The boiling point of ethanol CH3CH₂OH is 78.50°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Essentially the question is what makes a freezing point greater.

A: Properties of a solution which depends upon the no of solute particles present in it is called…

Q: Which has the highest freezing point:  1. pure H20  2. 0.020 m MgCl2 3. 0.250 m NaCl 4. 0.050 m…

A: Freezing point:- It is the temperature at which a liquid starts to freeze into its solid form.…

Q: How many grams of KBr are added to 950.0 g of ethanol to lower the freezing point 4.65 C? Make sure…

A: Given: The mass of ethanol is 950 g. The depression in freezing point is 4.56 oC. Introduction: The…

Q: Based on the given diagram The green broken line defines the pahse diagrma of solution Shows the…

A: The phase diagram of the solution indicates the freezing, boiling and sublimation curves for the…

Q: Which of the following solutions in ethanol (CH3CH₂OH) would have the lowest expected freezing…

A:

Q: Calculate approximately how much methanol , CH3OH, would be needed for an automobile radiator…

A:

Q: Which would have a higher boiling point- a sample of pure water or a sample of salt water (Nacl…

A: These questions are based upon colligative properties. We need to find if the boiling point is…

Q: My imaginary molecular compound has an empirical formula of C,H40. If you dissolve 2.64 grams of…

A: Using formula of depression in freezing point we can find molar mass and then we can determime…

Q: 1 Why did the addition of an unknown substance change the freezing point of naphthalene?

A: Freezing point change is a colligative property,that is freezing point change depend on no of ions…

Q: ffect of a solute on the boiling point of a solvent. mHg 40 60° 80" Temperature (°C) 100 X mm Hg 120…

A: Given,  Mole fraction of solute = 1 - 0.8 = 0.20 Vapor pressure of water(P°) = 157 mm

Q: Rank the following aqueous solutions in order of decreasing freezing point. Select 1 (highest…

A:

Q: Assuming 100% dissociation, calculate the freezing point (?f) and boiling point (?b) of 2.30 ?…

A:

Q: What is the boiling point of a solution made by dissolving 27 grams of MgCl2 in 559 grams of water?…

A: Given  Mass of MgCl2  = 27 gram  Mass of H20  = 559 gram  1000 gram  = 1 kg 559 gram    = 0.559 kg…

Q: Complete the boiling point elevation table below: Mass / Volume added Added reagent Molecular…

A: Interpretation - To complete the following table which is given above in the question -…

Q: Use the graph below as reference: What is the boiling point of a solution of 50% toluene?…

A: Answer is given below :

Q: The normal freezing point of a certain liquid X is 4.60°C, but when 40.g of iron(III) nitrate…

A: We know that, depression in freezing point in terms of Van’t Hof factor is given by,…

Q: 4. Why doesn't a pure liquid distill all at once when the boiling point is reached?

A: In some mixture the vapor has the same portion of constituents as the unboiled mixture.

Q: What is freezing point depression? Cite your sources

A: Colligative properties are those properties which depends on amount of solute but doesn't depend on…

Q: Assume that you were assigned BaCl2 in lab. The water in your test tube weighed 24.159 g. Following…

A: Given data is as follows: The mass of water = 24.159 g The freezing point of pure water given Tf°=…

Q: solution raises the boiling point of water by 0.51 °C. How much will the boiling point of water…

A: Given, Molality (m) = 1 m Boiling point of solution(□Tb)= 0.51 °c As we know,  □Tb = i × Kb × m If…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right. | 1.…

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

Q: Which aqueous solution has the lowest freezing point? Circle one. 0.10 m Na2SO4 0.10 m KNO3 0.10…

A: Depression in freezing point:                                                  ∆Tf= iKfm where, ∆Tf=…

Q: Consider the sugar–water phase diagram of Figure 9.1. Initially, saturated liquid solution 900 g of…

A: The explanation is given below-

Q: Given - Boiling point elevation A solution of: SOLVENT: Water (H2O) - 100mL or 100.00g SOLUTE:…

A: A numerical problem based on colligative properties, which is to be accomplished.

Q: nt, '2' next to the liquid with the next higher boiling point, of water is 1.00 g/mL. solution…

A:

Q: Assuming complete dissociation (Ksp > 1010), which salt solution in water will have the highest…

A: The compound, which has more particle in solution those have higher boiling point. And which has…

Q: The boiling point of pure toluene is 111.01 C and its Kbp is + 3.29 C.kg.mol-1. A 0.448 g sample of…

A:

Q: The kf of water is 1.86kgc/mol, approximately 4x the value of kb. If you attempted to freeze your…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: 6. What mass of naphthalene, C1oH3, should be dissolved in 375 g of nitrobenzene, CaHsNO2, to…

A: Given :  6. Mass of nitrobenzene = 375 gm  Boiling point of nitrobenzene = 214.20°C  Kb of…

Q: Enter your answer in the provided box. What is the boiling point of 0.800 m lactose in water? (K,…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…