Is the composition of the vapor at the top of a fractionating column different from the composition at the bottom? Explain.

Q: Discuss the distinction between the mole fraction the composition of the liquid phase and the mole…

A: Mole fraction is the ratio of  number of moles of one component to the total number of moles of all…

Q: Banks DIH says its classic Banks Beer contains 4.5% alcohol by volume (v/v) in the liquid phase. The…

A: #(a): Given the % v/v of alcohol (Ethanol) in the beer = 4.5 %  This means that 100 mL of beer…

Q: Question 9 The phase rule describes the number of variances given the number of component present in…

A: Question 9  The phase rule states that for a heterogeneous system at equilibrium, the number of…

Q: When performing a recrystallization of an impure solid, why is it important to allow the heated…

A: Recrystallisation is one of the most used technique in chemistry to obtain the pure compound from an…

Q: You are tasked to obtain a solid product from your laboratory activity. To verify the identity of…

A: Intermolecular forces refer to the type of interactions which are present in between atoms or…

Q: 2. While determining the pressure during the Dumas experiment, if the barometric pressure reported…

A: GIVEN:-

Q: 2- Why is the flask in which the evaporation process takes place closed by a piece of aluminum? In…

A: In the experiment to determine the partial weight of volatile liquid, it is important that the…

Q: For a given liquid a plot of the lnP versus 1/T gives a straight line with a slope of -4606 K. What…

A:

Q: Describe a binary eutectic diagram and show all phase regions with all the relevant information for…

A: The binary eutectic phase diagram explains the chemical behavior of two immiscible (unmixable)…

Q: Is it possible to have a homogeneous, binary liquid solution that has a higher (or lower) viscosity…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: At 1 atmosphere, saturated water and vapor coexist at 373.12 K per the NIST Fluids Database. If the…

A: Given that, at 1 atm and 373.12 K, saturated water and vapor coexist. The molar volume of the liquid…

Q: Which of the following deviations from the experiment could cause a decrease in the calculated mass…

A:

Q: Explain the process of collection of particles by Diffusion?

A: Diffusion can be defined as the process in which the substances are mixed with one and another by…

Q: 11- find the normality N of NaCl soluton , if w/v% = 0.85%. M.Wt =58.5? 0.145 0.0145

A: Given, w/v %=0.85%  M.Wt of NaCl = 58.5 g mol-1 Normality = ?

Q: One of the following is incorrect according to fractionated column: * O The surface area is directly…

A: Fractionated column should have the vapor covering the smallest surface area possible so that more…

Q: stion 11 Based on the graph, what is the estimated number of theoretical plates of the fractional…

A:

Q: Describe the physical differences between capillary and packed columns. What are the advantages and…

A: Physical features of open tubular columns These are also known as capillary columns. The interior of…

Q: The following temperature/composition data were obtained for a mixture of two liquids A and B at…

A: Part-a).Please find the plot below.

Q: give 5 examples of a 1 phase diagram and show its phase rule

A: 1) Water phase diagram

Q: Explain why the boiling point of your unknown liquid is at the point when the last little bubble…

A: The boiling point is the temperature at which the vapour pressure of the liquid is equal to the…

Q: In what pressure range and in what temperature range must H2O exist in order for H2O1s2 to sublime…

A: The conversion of a solid directly into gas is called as sublimation. For example: Camphor and solid…

Q: Research on the process of desalination with the use of distillation. Write how vapor-pressure…

A: Desalination is a process that takes away mineral components from saline water. More generally,…

Q: The graph in the figure above depicts a temperature-composition solid-liquid phase diagram. 1. Name…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: For a given liquid a plot of the lnP versus 1/T gives a straight line with a slope of -3179 K. What…

A: We have to calculate the ∆Hvap .

Q: Given the following mixture of two compounds 10.00 mL of X (MW =50.00 g/mol)(density 1.160 g/mL) and…

A: Given : volume of X = 10 mL And mass of Y = 690 g Since mass of X = density of X * volume of X =…

Q:

A: Given that, w/v % = 0.85%  M.Wt = 58.5 g mol-1  Normality = ?

Q: The partial molar volumes of two liquids A and B in a mixture are 245.6 cm3.mol-1 and 194.2…

A: So we will calculate the volume of the solution.

Q: The experimentally measured density of a bulk material is slightly higher than expected based on the…

A: Solution A material could be a substance or mixture of drugs that constitutes associate degree…

Q: The MgO-NiO phase diagram is shown below. On the diagram, draw the process of cooling from the…

A: A question based on phase diagram, which is to be accomplished.

Q: Given the following mixture of two compounds 45.00 g of X (MW =78.00 g/mol)(density 1.128 g/mL) and…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Refer to Fig. 5.8 and identify the number of phases present for mixtures of compositions (i) (0.4,…

A: Given data contains, (i) Mixture of compositions=(0.4, 0.1, 0.5) (ii) Mixture of compositions=(0.8,…

Q: What is the relationship between the volatility of a liquid and its vapour pressure?

A:

Q: What are the purposes of the following in recrystallization of solids?  I) boiling stones – II)…

A: The addition of seed crystals leads to create nucleation sites which help in forming crystals. The…

Q: It is possible to use the Dumas method even if the sample's boiling point and vaporization point is…

A: The statement given is: .

Q: vacuum distillation, the surrounding pressure inside a chamber is lowered so the solvent boils at a…

A: The relation between Tmperature and pressure is governed by Clausius-Claypeyron equation:…

Q: AI-Si Eutectic, Calculate the mass fraction of the B phase, silicon, given a sample with 61.8 wt%…

A: Given, At 61.8 wt% aluminium at 576.99 oC. Formula Used Mass fraction = given masstotal mass of…

Q: How does the melt temperature of the main phase affect diffusion?

A: The entropy of fusion and the melting temperature have a governing influence on the self-diffusion…

Q: Which of the following conditions is NOT necessary for diffusion to occur? a.) a difference in…

A: Diffusion is the movement of particles from an area of high concentration to an area of low…

Q: A certaln liquid X has a normal bolling polnt of 93.40 °C and a bolling polnt elevation constant K…

A: According to the colligative property formula : Tf-Ti=i×Kb×m  ....eq 1 here Tf is final…

Q: Which of the following molecules in the pure (bulk) liquid state show dispersion and dipole-dipole

A: The HCl being a polar molecule has the only predominant intermolecular force it has is Dipole-Dipole…

Q: Melting point of a compound is lowered when an impurity is introduced. However 1:1 mixture of A and…

A: Solution                         We know  That This is mostly due to the Hydrogen - Fluorine…

Q: how do we find the average of the molar mass of these unkown liquid? how to express the water bath…

A: Given equation,      MM = d × R × TP

Q: 3. A 12.0 cm3 sample of liquid H2O (density 1.00 g.cm-3) is heated to 328 oC under an external…

A: The given questions have been solved using the ideal gas equation.