Search over 10,000 free study notes

The reaction is as follows:

2H₂ + O₂ -> 2H₂O

This means that for every 2 molecules of Hydrogen gas, one...

Benzene has the chemical formula C6H6 where each Carbon atom is bonded to two other Carbon atoms and a single Hydrogen atom.  The 4th bond pair of electrons from each Carbon atom is delocalised, creati...

Although it can seem a unusual question it simply requires to have understood the basis of a titration.

First of all, what is a pH indicator? It is simply an acid-base compound whose acid...

(i) In general, when a molecule absorbs a UV-visible photon, an electron is promoted from one of the occupied molecular orbitals to an unoccupied molecular orbital at higher energy.

(ii) ...

I would first get the student to find the elements on the Periodic Table, and work out how many valence electrons each atom had. Then I would get them to draw the structures of hydrogen and chlorine us...