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Showing posts with label LIQUID SOLUTIONS. Show all posts
Showing posts with label LIQUID SOLUTIONS. Show all posts
Wednesday, May 3, 2023

Henry`s law is not applicable for the aqueous solution of.......

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(A) O2  (B) N2 (C) SO3 (D) He Answer (C)  Explanation: Henry`s law is not applicable for the aqueous solution of those gas which undergoes  ...

Henry`s law constant of CO2 in water at 298K is 5/3 k bar. If pressure of CO2 is 0.01 bar, then find its mole fraction.

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Thursday, September 29, 2022

Van’t Hoff Factor

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In 1886, Van’t Hoff introduced a factor 'i' called Van’t Hoff factor to express the extent of association or dissociation of solute ...

Colligative Properties

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These are the properties that depend on the concentration of solute molecule or ions in solution but not on the chemical identity of the sol...

Henry's law constant for CO2​ in water is 1.67×10^8 Pa at 298K. Calculate the quantity of CO2​ in 500 ml of soda water when packed under 2.5 atm CO2​ pressure at 298K.

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If N2 gas is bubbled through water at 293 K, how many millimoles of N2 gas would dissolve in 1 litre of water. Assume that N­2 exerts a partial pressure of 0.987 bar. Given that Henry’s law constant for N2 at 293 K is 76.84 kbar.

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The solubility of gas is related to its mole fraction in the aqueous solution. The mole fraction of the gas in the solution is calculated by...
Monday, November 15, 2021

Liquid A and B forms an ideal solution and initial vapour pressure of A and B are P°A= 0.4 atm and P°A= 0.6 atm respectively. In a cylinder piston arrangement, 2 mole vapour of A and 3 mole vapour of B is collected at 0.42 atm.

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(1) predict wheather the vapour will condense or not ? (2) If the vapours are  compared slowly and isothermally at what  pressure F drop of ...
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Sunday, November 14, 2021

Vapour pressure of a solution containing 6 gm of non volatile solute in 180 gm of water is 20 torr/mmHg. If 1 mole of water is further added in to the V.P. increases by 0.02 torr. calculate the V.P. of pure water and molecular wt of the non volatile solute.

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10 gm of a solute is dissolved in 80 gm of acetone V.P. of solution is 271 mm Hg. If V.P. of pure acetone is 283 mm of Hg. calculate molar mass of solute.

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calculate weight of urea which must be dissolved in 400 gm of water so that final has V.P. 2% than V.P. of pure water?

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What is relation between relative lowering of vapour pressure and molality of solution?

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ILLUSTRATION (1)  calculate weight of urea which must be dissolved in 400 gm of water so that final has V.P. 2% than...
Saturday, November 13, 2021

200 ml of 0.2M urea solution is mixed with 200 ml of glucose solution at 300 K. Calculate osmotic pressure of resulting solution.

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Related Questions; (1) An  aqueous solution has 5% urea and 10% glucose by weight. what will be the freezing point of this solut...
Friday, November 12, 2021

How to determine total vapour pressure of solution in liquid phase as well as gas phase ?

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According to Raoult's Law:  The partial pressure of any volatile component of a solution at any temperature is equal to the vapour press...

Graph Between 1/YA Vs 1/XA:

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According to Dalton's law  of partial pressures, the total pressure P T  is given by:  Partial pressure of the gas = Total pressure x Mo...
Wednesday, November 10, 2021

When a solution containing w of urea in 1kg of water is cooled to 272K, 200g of ice is separated. If for water is 1.86Kkgmol−1,w is:

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Related Questions; (1) An  aqueous solution has 5% urea and 10% glucose by weight. what will be the freezing point of this solut...

What is Azeotropic mixture or solution?

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A solution which boils like a pure liquid and has same composition in liquid as well as vapour phase is called Azeotropic solution or mixtur...
Friday, June 26, 2020

What is " Clasius Claperon" equation ?

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The dependence of vapour pressure and temperature is given by CLASIUS CLAPERON equation. Vapour pressure of a particular liquid system is on...

What is "Anoxia" conditions ?

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At high altitudes the partial pressure of oxygen is less than that at the ground level. This leads to low concentrations of oxygen in the bl...

What is bends condition and what is relation of bends with Scuba divers ?

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Scuba divers  must cope with high concentrations of dissolved gases while breathing air at high pressure underwater. Increased pressure incr...

What is effect of temperature on vapour pressure ? Explain with CLASIUS CLAPERON equation.

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Factors affecting vapour pressure: (A) Temperature: . (1)  The temperature at which the vapour pressure of the liquid becomes equal to the a...