why does the change in internal energy decreases as the volume of ethanol increases? For 25ml ethanol/ 75ml water   For 50ml ethanol/50ml water   For 75ml ethanol/25ml

Q: Imagine two solutions with the same concentration and the Normal boiling point same boiling point,…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: The solubility coefficient of a gas may be defined as the number of cubic centimeters (STP) of the…

A: The objective of the question is to calculate the Henry's constant.

Q: saturated solution of the solute Potassium nitrate, KNO3 is prepared by dissolving the solute in 180…

A: The question is based on the concept of solubility. maximum amount of solute that can be dissolved…

Q: Which of the following statements is TRUE? Select one: please explain The boiling point of 0.01 m…

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Q: 12. Calculate the boiling point of 1.8 moles of CaCl2, a strong electrolyte, dissolved in 1.00 kg of…

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Q: AS surroundings 250 mL of water at 298 K and 1.0 atm. AH soln(KOH) = -58.0 kJ/mol 389 -97.1 -389…

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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.

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A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Ocean water can be simulated by dissolving 3.5 g NACI in 100. g of water. If the total volume is…

A: a) Molality of a solution is determined as-   Now, ocean water has 3.5 g NaCl in 100 g water. Thus,…

Q: has been transferred from areas As a system reaches thermal equilibrium, of high to low A) solute;…

A: The heat or thermal energy flows from the high-temperature area to the low-temperature area.

Q: lauric acid: 3.950 g benzoic acid: 0.392 g freezing point lauric acid: 42.0 degrees Celscius…

A: Weight of lauric acid= 3.950 g.Weight of benzoic acid= 0.392 g.Freezing point of lauric acid=…

Q: What is the freezing point of a 0.10 molal ethanol solution if its solute was determined to be a…

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Q: Molality of solution Is 17.28m As the solution cooks, water steadly evaporates and the solution sowy…

A: Given data,Molality of initial solution=17.28mNormal boiling point of water=100oCFinal boiling point…

Q: Data was collected to determine the molar mass of a nonvolatile solid solute when dissolved in…

A: Given  Mass of cyclohexane=10.14 g Mass of solute=0.255g Freezing point change     3.04 oC

Q: Topics] The normal boiling point of methanol Is 64.7°C. A solution containing a nonvolatile solute…

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Q: Why is it important for us to leave the water for 5 minutes and determine the water's temperature?…

A: We are to discuss why we need to wait for 5 minutes before measuring the temperature of water. We…

Q: When NaCl(s) is dissolved in a mixture of ice and liquid water, all originally at 0oC, the…

A: Addition of non-volatile solute to solvent tend to lower the solvent’s freezing point, this is known…

Q: 2. A solution of KCI is saturated at 50°C. (a) How many grams of solute are dissolved in 100 g of…

A: Answer:- This question is answered by using the given solubility table at different temperatures.…

Q: Imagine a solution of two liquids in which the molecules interact more favorably than they do in the…

A: An actual vapor pressure greater than that predicted by Raoult's law is said to be a positive…

Q: Question: 1. What is the freezing point of a solution prepared by dissolving 20 g of ethanol (Molar…

A: The question is based on the concept of solutions. we have to calculate freezing point of the…

Q: Can you form a homogenous solution between ionic compounds like LiCl and vegetable oil? Why or why…

A: When two or more pure sunstanc are combined together , the resulting mixture will be either…

Q: Consider a solution consisting of 1.75 mol water and 0.97 mol ethanol. What is the Gibbs energy of…

A: Here we are required to find the Gibbs energy of mixing when water and ethanol are mixed

Q: fractional distillation

A: Fractional distillation is the separation of a mixture into its component parts, or fractions.…

Q: While processing data, a student determines that the value of ATf for a solution is 7.2°C. If Kf for…

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Q: Determine the vapor  pressure ratio of the glucose solution and sucrose solution. For both solution,…

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Q: CAH solution=D9solid dissolving -mwater X Swater water Using equation 6, determine the enthalpy of…

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Q: If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no…

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Q: It is desired to prepare 2.5 m^3 of a 60 mol percent methanol - water solution. Determine the…

A: The objective of the question is to find out the volume of the methanol and water required to be…

Q: A solution containing 6.314 g of a non-volatile organic solute dissolved in 100.00 g of toluene…

A: Answer: When a non-volatile is dissolved in a solvent it causes an elevation in the boiling point of…

Q: 3. The chemical potential of pure benzene decreases by 250 J when an amount of paraffin wax is…

A: According to the Bartleby guidelines we have to answer only one question so please submit different…

Q: What is the predicted value of i for NaCl?

A: The van 't Hoff factor is a measure of a solute's effect on colligative qualities such osmotic…

Q: The mass of the salt is 5.006, volume of water is 100ml. Initial temperture is 20 and final…

A: Step 1: Using the specific heat capacity formula, the enthalpy change of the solution is calculated…

Q: formation of solutions where the process is endothermic can be spontaneous provided that 1. they…

A: Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the…

Q: The vapor pressure of water at 30 °C is 4.24 kPa. Calculate the vapor pressure if 65.0 g of…

A: mass of glycerol = 65.0 gmolar mass of glycerol = 92.09 g/molmolar mass of water = 18.02…

Q: 8) Determine the freezing point of a solution that contains 63.8 g of naphthalene (C10H8, molar mass…

A: 8)  Given, Mass of naphthalene (C10H8) = 63.8 g Molar mass of naphthalene = 128.16 g/mol Volume of…

Q: Assuming that NaCl will dissolve perfectly and form an ideal solution, what mass of NaCl is needed…

A: The freezing point depression is calculated by using the following formula. ∆Tf = m×Kf Where, Kf =…

Q: 1. Might any of the ratios you calculated for Table 2 above be useful for predicting how the…

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Q: An automobile antifreeze solution contains 2.70 kg of ethylene glycol, CH2OHCH2OH, and 1.90 kg of…

A: Given : Mass of ethylene Glycol = 2.70 Kg Mass of water = 1.90Kg

Q: Determine the molar mass of an unknown compound i

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Q: DI, 2020 1. The solvent DPE has a freezing point of 27.84°C and a value of kf= 8.00°C of naphthalene…

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Q: calculate the molal boiling point elevation constant K, of X.

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Q: The normal freezing point of a certain liquid X is -2.70 °C, but when 43.3 g of potassium bromide…

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Q: 16. Determine the cahnge in boiling point for 397.7 g of carbon disulfide (Kb= 2.34 degrees Celsius…

A: We have to calculate the change in boiling point.

Q: The chemical potential of pure benzene decreases by 250 J when an amount of paraffin wax is…

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Q: The experimental data in the table was collected during a freezing point depression study where BHT…

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Q: In an experiment, a 0.001 (mole fraction) solution of polysaccharide in water is made and is placed…

A: Answer - According to the question - Given -  Due to osmotic pressure from B pure water diffuses to…

Q: Table 1: Data Table mass of ice + water used (9) freezing point of pure water (°C) mass of sample…

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