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Why is water cohesive?

Cohesion is the attraction of molecules of the same type.Water is cohesive because it is dipolar therefore the positive electrons from the 2 hydrogens are pulled towards the oxygen end making the oxygen e...

UO
Answered by Ugo O. Biology tutor
3005 Views

Why can water act as a solvent for ions?

Solvents are substances that can dissolve other substances.Water can act as a solvent for ions (charged particles/molecules) because it is dipolar (the positive electrons from the 2x hydrogen are pulled t...

UO
Answered by Ugo O. Biology tutor
4271 Views

Examinez comment les actions des adultes influencent les personnages dans No et Moi.

Certes il est indéniable que les parents ont une grande influence sur les personnages dans ce roman. Premièrement, La mère de No l’a désavouée, depuis le début personne ne voulait d’elle et elle le sait, ...

SN
Answered by Sacha N. French tutor
2823 Views

Describe how propenal, propanal and propanone can be distinguished from one another by simple chemical tests.

Propenal can be distinguished by adding bromine water, as it will go from a orange/brown solution to a colourless solution due to electrophilic addition. Propanal can be distingiushed from propanone by us...

NA
Answered by Nathan A. Chemistry tutor
9602 Views

How to differentiate y = xcos(x)

You would first of all establish which differentiation rule is required, for this question it would be useful to use the product rule splitting xcos(x) into x multiplied by cos(x). We can label u = x and ...

SC
Answered by Sophie C. Maths tutor
6241 Views

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