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Hello! Van der Waals forces are the weak forces that contribute to intermolecular bonding between molecules. ... Examples of van der Waals forces include hydrogen bonding, dispersion forces, and dipole-dipole interactions.
These are relatively weak electric forces that attract neutral molecules to one another in gases, in liquefied and solidified
Hello Dear,
For doing engineering from Chennai you have to give,TNEA 2020 (Tamil Nadu Engineering Admissions) is the state level admission procedure for offering admissions in B. Tech courses after class 12th. Candidates can also apply for university-level exams.
There are also some private colleges who conducts their own exam
By using this formula equilibrium constant
Kp= kc (RT)^delta n gas
When Delta n gas = no. Of moles of products - no. Of moles of reactants.
For the reaction
Delta n gas = 1 -[1/2 + 1] = -1/2
Hello!!
Polyembryony is the phenomenon of two or more embryos developing from a single fertilized egg. ... Polyembryony can occur in humans, resulting in identical twins, though the process is random and at a low frequency. Polyembryony occurs regularly in many species of vertebrates, invertebrates, and plants.
Hello! The answer to this is that the image will disappear . We know that
1/f=(u2/u1 - 1)(1/R1 - 1/R2)
where u1= refractive index of medium of object
u2= refractive index of lens
and R1 and R2 are the radius of curvature of the two surfaces of lens.
We know
An aldol condensation is a condensation reaction in organic chemistry in which an enol or an enolate ion reacts with a carbonyl compound to form a β-hydroxyaldehyde or β-hydroxyketone (an aldol reaction), followed by dehydration to give a conjugated enone.
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