Osmotic pressure, Chemistry

Assignment Help:

Osmotic pressure:

Osmosis process is the movement of a solvent from a solution of lower solute concentration (higher solvent concentration) to one of the higher solute concentration (lower solvent concentration). In osmotic pressure measurements a semi-permeable membrane. It is permeable only to solvent (as it have holes that are small enough to prevent large solute molecules passing through) separates two liquids. This means that this technique is used for relatively large molecules, often polymers or biological macromolecules. Typically, one liquid is pure water and the other is the solute solutions of interest. This produces a flow of water from the solvent to the solute solutions. The experimental apparatus (Fig. 1) incorporates one for each liquid, two identical vertical columns, and the height of the liquid in the solution columns increase relative to that in the pure solvent column due to this net flow.

 

2065_osmotic pressure.png

Fig.1. Schematic diagram of the apparatus for measuring osmotic pressure. (a) Apparatus at the start of the measurement; (b) apparatus at equilibrium


Related Discussions:- Osmotic pressure

Atom, atomic structure

atomic structure

Explain chemistry changes of food deterioration, Chemical Changes Duri...

Chemical Changes During the processing and storage of foods, several chemical changes occur that involve the internal food components and the external environmental factors. T

S-block element, why the hydroxides of alkaline earth metals are less basic...

why the hydroxides of alkaline earth metals are less basic than alkali metals of the corresponding periods?

Draw the structures of white phosphorus and red phosphorus, Draw the struct...

Draw the structures of white phosphorus and red phosphorus. Which one of these two types of phosphorus is more reactive and why?

D, Difference in variation of molar conductivity in dilution for strong and...

Difference in variation of molar conductivity in dilution for strong and weak electrolyte

Coordination position isomerism, Coordination Position Isomerism: If in a ...

Coordination Position Isomerism: If in a multinuclear complex the distribution of ligands around the metal centres changes it will result in a different isomer. Such an isomerism

#polrography, application of polarogrophy in deatails

application of polarogrophy in deatails

Solvent extraction using metal chelarors, The following information is avai...

The following information is available for the extraction of Cu2+ into CCl4 with dithizone: KD,c = 7 ´ 104; b = 5 ´ 1022; Ka,HL = 3 ´ 10–5; KD,HL = 1.1 ´ 104; n = 2. What is the ex

Uses of oxalic acid or polyprotic acid, Uses of Oxalic acid or Polyprotic a...

Uses of Oxalic acid or Polyprotic acid (i) Oxalic acid is used in the manufacture of carbon monoxide, formic acid and allyl alcohol. (b) Oxalic acid is used as a laboratory

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd