When ethanol is added to water at 25 °C and 1 bar, the total volume of the solution changesaccording to the empirical functioncmx - 0.36394cm(mol EtOH)= **V = 1002.93 cm + 56.6664mol EtOHcm(mol EtOH)+ 0.028256-where x is the number of moles of ethanol in the solution.As ethanol is added to the solution, the partial molar volume of ethanol decreases, reaches aminimum, and then increases. This behavior is shown in the figure below.Find the function for (ma) find the value x = ng56Ong TPHow many moles of ethanol are present when the partial molarvolume of ethanol in the solution is minimum?How many moles of water are present if the mole fraction ofethanol with this amount of ethanol present is 0.0952?535.*- nmol10Is the partial molar volume of water increasing, decreasing with increasing x, at a maximum orat a minimum? Explain based on an equation based on an equation from the lecture slides.Partial melar volume, VAcm mot

A mole is defined as some of the chemical units it may be atoms, molecules, ions.…

Answered: When ethanol is added to water at 25 °C…

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter2: Electrical Components And Circuits

Section: Chapter Questions

Problem 2.12QAP

See similar textbooks

Similar questions

For the dissolution of LiCl in water, ΔHsoln = -37 kJ/mol.Which term would you expect to be the largest negativenumber: ΔHsolvent, ΔHsolute, or ΔHmix?
What is meant by Centrifugation and How to calculate a desire RCF and rpm for the separation of mixture of liquids?
100.0 g of propyne (C3H4) (g) is burnt in a 30.0 L rigid vessel containing pure O2 (g) at P = 10.00 bar and an initial temperature of 25.0 °C. At the end of the reaction the temperature of the vessel is 250. °C. At the end of the reaction, what are the partial pressures (in bar) of CO2 (g) and O2 (g)?
Consider the following reaction: NH4Cl--->NH3(g)+HCl(g). The vapor pressure after dissasociation of a certain amount of NH4Cl is 608 kPa at 427 Celsius, but rises to 1115 kPa at 459 Celsius. Calclate Keq, deltarGstandard, and deltarHstandard, all at 427 Celsius. Assume that the vapor is an idela gas and that the enthalpy is indepednet of temperature in the range given.
A student determines the molar mass of a liquid unknown by the method used in thisexperiment. She found that the equilibrium temperature of a mixture of ice and water was1.0°C on her thermometer. When she added 12.3 g of her unknown sample to the mixture, thetemperature, after thorough stirring, fell to -4.0°C. She then poured off the solution through ascreen into a beaker. The mass of the solution was 93.4 g. Kf = 1.86°C/m What was the molality of the unknown solution? ______________ m How much unknown liquid was in the decanted solution? ______________ gHow much water was in the decanted solution? ______________ gWhat did she find to be the molar mass of the unknown liquid, assuming she made thecalculation properly?______________ g
Assume that at 298 K, 2.5 µmol (µ =micro) Ar(g) occupies 72 dm3 and grows to 100 dm3. Calculate the process's ΔG
Element X has an enthalpy of fusion of 59.2 kJ mol-1 at its melting point (684°C). Calculate ΔSsys for the process,X(l) → X(s)At 1 bar and 684°C. Express your answer in units of J mol-1 K-1 to 3 significant figures.
A solution of 0.50g of an unknown nonvolatile, nonelectrolyte solute is added to 100 mL of water at 298 K and then placed across a semipermeable embrane from a volume of pure water. When the system reaches equillibrium, the solution compartment is elevated 5.6 cm above the solvent compartment. Assuming that the density of the solution is 1.0 g/mL, calculate the molar mass of the unknown.
A mixture of phenol and water, under certain conditions of temperature and composition, forms two separate liquid phases, one rich in phenol and the other rich in water. At 30⁰ the compositions of the upper and lower layers are 70% and 9% by mass phenol, respectively. If 40kg of phenol and 60kg of water are mixed and the layers are allowed to separate at 30⁰C, what will be the weight of the two layers?
A water carbonating plant is available for use in the home and operates by providing carbon dioxide at 5.0 atm. Estimate the molar concentration of CO2 in the carbonated water it produces.
Calculate the boiling point (Tbp) of an aqueous solution that is 2.222molal sucrose(aq)under standard conditions. Report the value with 4 sig figs.
A gas mixture at 300K and 1 bar analyzing by volume 20% N2 and 80% CH4 is subjected to liquefaction at the rate of 1500 kg/hr. It is found that only 30% (weight) of the entering gas is liquefied and the concentration of N2 in the liquid is 60% by weight. The unliquefied gas leaves the unit at 273K and 1 bar. Determine (a) the volume of the unliquefied gas, m3/hr (b) the composition of the gas leaving expressed as volume %.

SEE MORE QUESTIONS

Recommended textbooks for you

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS