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Expand (x+1)(x-4)

Using the "FOIL" Technique should help with the expansion, telling you what order to multiply things together. F stands for "firsts", so the first step is to multiply the first things in ...
EG
Answered by Emily G. • Maths tutor
5696 Views

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 end ...
UO
Answered by Ugo O. • Biology tutor
3592 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 towa...
UO
Answered by Ugo O. • Biology tutor
5342 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, cel...
SN
Answered by Sacha N. • French tutor
3399 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 using...
NA
Answered by Nathan A. • Chemistry tutor
11171 Views