Explain boiling point - properties of solution, Biology

Assignment Help:

Boiling Point

There are certain properties of solutions  which are directly connected with vapour pressure and one of it is boiling point.  You must have observed that water boils at a temperature of 100oC.  This is because a liquid boils when its vapour pressure is equal to external pressure. The normal boiling point (BP) refers to an external pressure which is equal to the atmospheric pressure (760 mm Hg), which for water is 100oC. With an increase is pressure, the boiling point increases,

e.g., the boiling point of water at 770 mm is 100. 37oC. You must have noticed that in a pressure cooker the water boils at 121oC at 103 kg/kilo pascal, for this a greater pressure must be overcome and thus the boiling point can be elevated. Conversely, the boiling point can be lowered at a reduced atmospheric pressure as in high altitudes i.e. if you boil potatoes at a hill station, it will take longer time to cook as compared to the planes. For every 290 m increase in altitude above sea level, the boiling point of water is lowered by 1oC.

 


Related Discussions:- Explain boiling point - properties of solution

Freeze fracture electron microscopy, Freeze Fracture Electron Microscopy ...

Freeze Fracture Electron Microscopy Freeze fracture electron microscopy i a technique lo reveal the surface features of hydrophobic interior of cell membrane. In this technique,

What are the female pronucleus, What are the female pronucleus and the male...

What are the female pronucleus and the male pronucleus? The female pronucleus is the proper haploid nucleus of the egg cell. Male pronucleus is the haploid nucleus of the sperm

Aortic valve replacement-types of surgery in ar, Aortic Valve Repla...

Aortic Valve Replacement :  Technique: Surgical technique is not much different from what has already been described for aortic stenosis. Care must be taken to avoid VF

Define drug effects on food intake - cause dry mouth, Define drug effects o...

Define drug effects on food intake - cause dry mouth? cause dry mouth (xerostomia) : Lack of saliva makes it difficult to masticate and swallow foods, especially those of a dry

Birth marks (naevi) and vascular naevi, Birth Marks  (Naevi): Birth Ma...

Birth Marks  (Naevi): Birth Marks  is also known  as naevi.  It  is a multiplication  of  one or more cutaneous elements within  the skin. It  is defined  as a  congenital, ci

X-linked dominant genes, X-Linked Dominant Genes Dominant X-linked gene...

X-Linked Dominant Genes Dominant X-linked genes are always expressed in both the sexes just as in autosomal traits. One dose of X-linked dominant allele produces its effects in

Head stream of highland brook zone, Head stream of Highland brook zone ...

Head stream of Highland brook zone This is formed by a number of small streams, which originate from a marsh, a spring or a glacier. This is a small shallow zone with an irreg

How many cells are in the average human brain, How many cells are in the av...

How many cells are in the average human brain? Roughly, 6 trillion are in the average human brain.

Differentiate between glycogenesis and glycogenolysis, Differentiate betwee...

Differentiate between glycogenesis and glycogenolysis. The synthesis  of glycogen in liver and muscle  is  called glycogenesis.  The breakdown of glycogen in the liver (glycoge

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