What do you notice about the compounds under the melting point column that have negative values?

Q: What is the boiling point of a 2.6 m sucrose solution in ethanol? K(ethanol) = 1.22 °C/m and the…

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Q: XB Based on the liquid-vapor equilibrium figure above, answer the following questions. a. Label all…

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Q: given the following information (see image) determine ▲g° at 20.0°C

A: To find the value of  at 20oC.

Q: 1. The process of freezing is shown below for two samples. The smaller circles represent a solute.…

A: option- C is correct as solute addition cause depression in freezing point.

Q: Illustrate dissolution of the ionic solid NaCl in water?

A: The compounds can be classified on basis of bonding as: Covalent compounds ionic compounds The…

Q: What specifically occurs when a liquid mixture is distilled?     1)    Components of a solid…

A: The process in which selective boiling and then condensation of a particular component of a liquid…

Q: Explain how you determine the freezing point of a solution that does not have a well-defined…

A: Answer -  freezing point of a solution - The effect of adding a solute to a solvent has the opposite…

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: Why does a system freeze?

A: A system is the part of the universe which is under thermodynamic study.      Universe = System +…

Q: does the boiling point of liquid solution independent of its composition (yes or no?)

A: To explain: does the boiling point of a liquid solution independent of its composition.

Q: Predict what will be observed in each experiment below. predicted observation (choose one)…

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Q: When KNO3 dissolves in water the system temperature is expected to: 1 a. Remain the same O b. Need…

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Q: What are the conditions for forming a homogeneous solid solution? Explain

A: Solution Thermodynamically, an answer could be a special description of a unvaried mixture that it's…

Q: The presence of soluble impurities in a given substance A lowers the melting point of A because the…

A: The given statement is False as The presence of soluble impurities in a given substance A lowers the…

Q: Besides their antifreeze properties, the aqueous ethylene glycol solutions used for internal…

A: Normal boiling point of solution (Tb) = 113°C Normal boiling point of water (Tb°) = 100 °C As per…

Q: Please help me with this problem

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other…

Q: Why is it not advisable to freeze a sealed glass bottle that is completely filled with water? Use…

A: Substances generally expands on heating and contract on cooling. As a result, on heating its density…

Q: how do you solve for the molal boiling point constant?

A: Colligative properties are those properties of a material that depends on the number of particle of…

Q: Describe how fractional distillation can better purify a mixture of liquids by discussing a liquid…

A: To achieve a desired degree of separation of a mixture of liquids, the general method involves…

Q: Phase changes;  Show the water phase changes diagram and how it's difficult from the Carbon dioxide…

A: Phase diagrams shows the preffered physical states of matter at different thermodynamic variables…

Q: Gases are more soluble in cold water. Which ocean waters do you think have the highest…

A: Gases dissolve at a higher rate in cold water. This phenomenon is widely used in the preparation of…

Q: Using the figure, identify the two points showing Freezing Point Depression.   a. 1 and 2 b. 1…

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Q: The amount of caffeine was influenced by the temperature of water used to brew, and the time of…

A: Water temperature can have a significant impact on caffeine content due to the fact that caffeine is…

Q: 2. 1,3-Propanediol (structure shown below) will dissolve in CaCl₂ (aq). Draw the strongest…

A: Answer:Attraction forces that acts between the difference species of the system to make it stable…

Q: Which effect do you observe, when 2 or more metal-containing minerals are placed together in water?…

A: A multiple choice question based on minerals, which is to be accomplished.

Q: What specifically occurs when a liquid mixture is distilled? 1) Components of a solid mixture are…

A: Distillation is separation technique used for separation of liquids. This technique is used to…

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

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

A: Here in the question some aqueous solution of electrolytes are given.We have to calculate their…

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: What are anionic vacancies?

A: The interruption of patterns in the solid crystal leads to the formation of defects. Stoichiometric…

Q: Boiling point is indirectly proportional to volatility. O A. True O B. False

A: Answer Boiling point is indirectly proportional to the Volatility

Q: What is the unit for the freezing point constant? Group of answer choices °C m °C/m M

A: 0C is a unit of temperature.

Q: Find the intermolecular force ammonia has with water and the intermolecular force ammonia has with…

A: Solubility of any substance means the mixing of one component into the other component. If the…

Q: Describe ionic liquids and their solutions with examples?

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: 354 353 352 351 3 350 349 348- 347 2 346 345 344 1 343 342 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 mol…

A: Answer a)  Regions Phase description 1 Liquid phase 2 Coexisting phase 3 Vapour phase…

Q: Assume that when you were transferring the mass of sodium chloride you measured to Test Tube 2, a…

A: Molality = Number of mol of solute/Mass of solvent in Kg Number of mol = Mass/molar mass Freezing…

Q: 3. What are su melting point using a capillary and a Thiele tube containing 4. Is it possible for a…

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Q: 1. The figure depicts the steps that contribute to the enthalpy change for the dissolution of NaCl.…

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Q: 3. What do you mean by vapour pressure ? Explain the vapour pressure curves in water and sulphur…

A: Answer - Vapour pressure - Vapor pressure is defined as the pressure exerted by a vapor in…

Q: You are studying the boiling points of liquids with some fellow students. You have two liquids of…

A: The boiling point of the substance is a physical property that is related to the phase change of the…

Q: If I am determining the melting point of a water sample that contains NaCl in it, what would the…

A: A temperature at which a solid is in equilibrium with the liquid is called the melting point of that…

Q: Using the following figure, predict the boiling point of the initial drops of distillate of a…

A: Given the distillate contains a mixture of 0.8 Mol fraction of toluene and 0.2 Mol fraction of…

Q: The triple point of a pure substance is at 0.173 atm and 175 K. The freezing point of the substance…

A: Firstly we will plot a graph with the help of given information, based on the graph we can eliminate…

Q: At 184 K the vapor pressures of compound A and compound B are 1274 and 224 torr, respectively. A…

A: The Vapour pressure P of a mixture is given by the formula : P = x1p°1 + x2p°2 x1 = mole fraction of…

Q: ** Of the following substance, only . Has London depression force HCI H2S CH3OH CH

A: We are given four molecules. 1) In HCl the bond is polar covalent bond. So the force are…