Vapour Pressure

CBSE XII Science Chemistry Solutions

Does the vapour pressure of a solution depend on the nature of solute? this was given as true

CBSE XII Science Chemistry Solutions

Vapour Pressure

NEET1 NEET1 Chemistry Solutions and Colligative Properties

Q.

CBSE XII Science Chemistry Solutions

Please can you help me by explaining the answer in detail...

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Please give  answer of the following

NEET1 NEET1 Chemistry

The vapour pressure of 2 liquid P nd Q are 0.6 and 0.2 torr respectively.determine the mole fraction of P at which both the liquid have equal partial vapour pressure

JEE Plances JEE (Main) Chemistry

if non volatile substance  is present on surface of liquid then what is its effect on vapour pressure

CBSE XII Science Chemistry Solutions

Ans with explanation please

CBSE XI Science Chemistry States of Matter

1st?

CBSE XII Science Chemistry Solutions

The vapor pressure of water is 12300 Pa at 27 C. Calculate the vapor pressure of 0.5 M solution of a non dissociating/non associating solute in it.

JEE Main Chemistry Solutions

Sr please solve  the problem  no. 39

NEET NEET Chemistry Solutions

Please answer the following question with explanation

ICSE IX Chemistry Study of Gas Laws

A moist gas is stored in a container of volume 870cc temperature 9°C and pressure of 659 mm Hg . Calculate its final volume at S.T.P. . Given vapour pressure at 9°C is 9 mm Hg.

JEE Main Chemistry Solutions

Benzene and toulene form an ideal solution. The vapour pressure of benzene and toulene are 75 mm and 22 mm at 20°c.If the mole  fraction of benzene  and toulene in vapour phase are 0.63 and 0.37 respectively. Calculate the vapour pressure of ideal mixture.

CBSE XII Science Chemistry Solutions

a solution containing 6 g of benzoic acid in 50 g of ether (C2H,OC,Hs) has a vapour pressure of 410 mm o mercury at 293 K. Given that the vapour pressure of ether at the same temperature is 442 of calculate the molecular mass of benzoic acid. (Assume that the solution is dilute)

CBSE XII Science Chemistry Solutions

18g glucose is added to 178.2g water the vapour pressure of water for this aqueous solution at 100​​​​​​​​calsias is   

CBSE XII Science Chemistry Solutions

Please explain that what does it mean in the paragraph in the pic given and also explain that what it means that " the solution boils at a constant temperature and composition remains same"

NEET NEET Chemistry Solutions

What is the composition of the vapour which is in equilibrium at 30 degree celcius with a benzene-toluene solution with a mole fraction of benzene of 0.400? (P0 B is 119 torr and P0 T is 37 torr)       (a) 1.237  (b) 2.237  (c) 3.237  (d) 0.237

NEET NEET Chemistry Solutions

A solution M is prepared by mixing ethanol and H2O.The mole fraction of ethanol in mixture is 0.9     . Given: Kf H20-1.86 Kkg/mol ,Kf ethanol-2.0 Kkg/mol ,Kb H2O-0.52 Kkg/mol ,Kb ethanol-1.2 Kkg/mol, Standard freezing point of H20- 273K , Standard freezing point of ethanol- 155.7K , Standard boiling point of H2O- 373K , Standard boiling point of ethanol-351.5K ,vp of pure water -32.8mm Hg,vp of pure ethanol -40mm Hg, mol wt of H2O - 18g/mol, mol wt of ethanol- 46g/mol                                . Consider the solutions to be ideal dilute solutions and solutes to be non volatile and non-dissociative                                                                                                                                        .Ques 1 ) The fp of solution M is: (a) 268.7K ,(b) 268.5 K ,(c) 234.2 K , (d) 150.9 K                          .Ques 2 ) The vp of solution M is: (a) 39.3mmHg ,(b) 36.0mmHg ,(c) 39.5mmHg ,(d) 28.8mmHg    .Ques 3) Wter is added to the solution M such that the mole fraction of water in solution becomes 0.9. The bp of this solution is : (a)380.4K ,(b)376.2K, (c)375.5K ,(d)354.7K

JEE Main Chemistry States of Matter

Sir plz solve it step by step ,U may leave part (b) but plz solve explaining part(a)

CBSE XII Science Chemistry Solutions

pentane and heptene have a vapour pressure of 55pa and 4.8 respectively at 20oc. A mixture is known to contahoeptin 2.52g of pentane and 1400g of heptene.calculate a.the mole fraction of each components in the liquid b.the total vapour pressure of the mixture. c.the mole fraction of each component of the vapour phase

CBSE XII Science Chemistry Solutions

please answer this

CBSE XII Science Chemistry Solutions

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CBSE XII Science Chemistry Solutions

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NEET NEET Chemistry Solutions

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NEET NEET Chemistry Solutions

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CBSE XII Science Chemistry Solutions

relative lower vapour pressure

CBSE XII Science Chemistry Solutions

the formula of relative lowering of vapour pressure that we have studied is pi - p/pi .but in some problems formula the denominator is p instead of pi. that is pi - p/ p .in which cases should we take like that

CBSE XII Science Chemistry Solutions

two liquids a and b at 120C and 160C which of these liquids has at higher vapour pressure at 90C

CBSE XII Science Chemistry Solutions

how this question can be answered

CBSE XII Science Chemistry Solutions

solutions

CBSE IX Chemistry Matter in Our Surroundings

what is vapour?

CBSE XII Science Chemistry Solutions

(ctrl/Cmd+V)Octane and nonane forms nearly ideal binary solution. When 1.0 mL of octane is added to 100 mL of nonane, the boiling point of solution falls. Which of the following is true about octane and nonane at same temperature? (1) Pure octane has lower vapour pressure than pure nonane. (2) Pure nonane has lower vapour pressure than pure octane. (3) The solution formed above has lower vapour pressure than both pure octane and pure nonane. (4) The solution formed above has greater vapour pressure than both pure octane and pure nonane.

CBSE XII Science Chemistry Solutions

vapour pressure of solution of urea is 736.2 mm at 100 degress celsius calculate osmotic pressure of this solution at 15 degress celsius.  

NEET NEET Chemistry Solutions

show that total vapour pressure over the solution of two liquids 1&2 at a particular temperature varies linearly with the mole fraction of a components

CBSE XII Science Chemistry Solutions

The mass of urea that would be dissolved in 180g of water in order to produce the same lowering of vapour pressure as is produced by dissolving 19g of cane sugar (c12 h22 o11) in 100g water is

NEET NEET Chemistry Solutions

chemistry

CBSE VII Science Weather, Climate and Adaptations of Animals to Climate

what is Hygrometer?

JEE Main Chemistry States of Matter

please give me the answer of this question

CBSE XII Science Chemistry Solutions

The vapour pressure of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. Find out the composition of the liquid mixture if total vapour pressure is 600 mm Hg. Also find the composition of the vapour phase.