Why is it important to perform a fractional distillation slowly? What happens if a fractional distillation is done very quickly by rapidly raising the temperature of the heat source?

Q: 1.Assume that the measured freezing point of pure cyclohexane using your thermometer was 6.0 °C. A…

A:

Q: What is the  of effect of stirring  on the freezing point of pure acetic acid? why?

A: 1) The freezing point of pure acetic acid is 16°C. Stirring at the freezing point of pure acetic…

Q: 1. A solution containing 50% KOH is fed at a rate of 1000 mol/h to an evaporator to produce a…

A:

Q: a) How could you calculate a water pressure above a 1M NaCl solution (salt in water)? Could you…

A:

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

A: To find the value of  at 20oC.

Q: What is the ratio of benzene and ethyl benzene based on a) molar fraction b) mass; They must be…

A: The ratio of mixing benzene and ethylbenzene based on the molar fraction so as the have a maximum…

Q: imple Distillation The temperature was 76o C when the first drop of distillate was collected.…

A: Distillation is used to separate miscible liquids.

Q: Sketch the solid-liquid phase diagram of 2,6-xylenol and tert-butanol. Pure tert-butanol has a…

A: For the purpose of convenience, tert-butanol has been considered as liquid A and 2,6-xylenol has…

Q: Explain the importance of using a thermometer in the simple distillation setup. Enumerate the…

A: 1. In steam distillation process the thermometer connect at the top of the set up which measure the…

Q: Explain on a particle basis why the vapor pressure of a solution is lower than a pure solvent

A: Colligative properties Properties that depend on the number of particles present, not on the…

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: Which two chemicals make up the 50/50 fractional distillation and which two make up simple…

A: Simple distillation is the process in which two or more liquids are get separated with the simple…

Q: what is the maximum % recovery of TNT?

A: At low temperature- 100g ethanol : 0.70 g TNT At low temperature: 100 g ethanol : 18.58 g TNT   Now,…

Q: for the binary mix ethanol/water the boiling point will be (when performing our disitllation) the…

A: The water and ethanol on mixing together forms non-ideal solution where ∆Vmixing is not equal to…

Q: Consider a solution containing 5 moles of acetone and 5 moles chloroform. The vapor pressures of…

A: The given solution contains acetone and chloroform. Number of moles of acetone = 5 molNumber of…

Q: Using your knowledge of the “like dissolves like” generalization, determine which solute ethanol…

A: Like dissolves like means polar solute dissolves in polar solvent while non-polar solute dissolves…

Q: 12. Recall that the freezing point is depressed by -1.86 °C per mole of solute per kg of water.…

A:

Q: The sign of the molar heat of solution (whether it is endothermic or exothermic) of a solid solute…

A: 1.) To explain which of the following statement is true for molar heat of solution during…

Q: Draw a phase diagram showing how the phase boundaries differ for a pure solvent compared with a…

A: The explanation is given below-

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: hich type of distillation is suitable for "less drastic conditions"?

A: Distillation  It is a separation technique that can be used to either increase the concentration of…

Q: explain why the boiling point of a two component mixture rises slowly throughout a simple…

A: A temperature is not absolute. When you measure a temperature, you are measuring a distribution of…

Q: Given this, if 2.5 g of a certain ionic compound that breaks into three ions is added to 150. mL of…

A: we have to apply formula of depression in freezing point

Q: An unknown substance in a container is a single phase and the components were not separated using an…

A: Solution is a homogeneous mixture of two or more than two components, whose composition vary to the…

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

A:

Q: Consider an element Z that has two naturally occurring isotopes with the following percent…

A: average atomic mass= ∑%abundant×Molar mass/100 using this we can calculate the average atomic mass…

Q: A 100.0 g sample of phenol, CHO, (MW = 94.11 g/mol, Kmp=7.40 °C/molal, MP = 43.0 °C) is contaminated…

A: Given - Mass of phenol = 100.0 g             Mass of sodium chloride = 7.000 g             Molar…

Q: What are azeotropes, and how do they affect a distillation process? Azeotropic distillation is a…

A: Mixtures present in a boiling liquid mixture can be separated using an approach called azeotropic…

Q: Fractional distillation of a binary mixture leaves behind a liquid consisting of both components.…

A: Fractional distillation is the technique to separate miscible liquid with different boiling points.…

Q: Draw a temperature-composition diagram for the acetone-chloroform mixture, wherein the boiling…

A: The temperature-composition diagram indicates the changes in the composition of a liquid and vapor…

Q: 2.67 g of pure acenapthene (AN) is completed dissolved in 15.1 mL of hot ethanol at 70∘C. If this…

A: 2.67 g of pure AN is completed dissolved in 15.1 mL of hot ethanol at 70 °C. If this hot solution is…

Q: Two fractionating columns are each 40 cm in length. Column A has 20 cm. By marking in the space…

A: Given, Length of fractionating column , L = 40 cm HETP of column A =  2cm HETP of column B = 20 cm

Q: In the technique of recrystallization, one step involves heating the solvent containing the solute…

A: Solution -

Q: What is the best way to increase the solubility of a gas in a solvent in which the gas does not…

A: Solubility of gas is defined as the the amount of gas that gets dissolved in solvent.

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

A: Given that -  Ratio of NaCl/water = 5.02g/5 mL    The freezing point of pure liquid, water is about…

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: Some crushed ice was placed in a 400 mL beaker. Some of the ice was allowed to melt before the…

A: Given data :-

Q: How can we calculate the Vapor Pressure of a Two-Component Solution?

A: The measure of ability to material to convert into the gaseous state (or) vapor state is known as…

Q: Answer the following problem completely and systematically. Show your complete solution. As you may…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: An ethanol/water mixture forms an azeotropic mixture. Why is it not possible to obtain a pure…

A: Azeotropes are the liquid mixtures which boils at a constant T like a pure liquid. They possess the…

Q: Suppose that you have a 1:1 mixture of compounds that is comprised of compound X and compound Y. You…

A: The amount of solute which can be dissolved in given amount of solvent is termed as its solubility.…

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

A:

Q: When 14.3 g of a certain molecular compound X are dissolved in 70. g of formamide (NH,COH), the…

A:

Q: Why is it important to release the pressure by venting out the separatory funnel? How will this…

A: As there are two phases in the separatory funnel slight gaseous pressure will be build up. In order…