Top answers

How do you calculate the equilibrium constant, Kc, of a reaction?

Given a reaction in the form: aA + bB ⇄ cC + dD where A and B are reactants, C and D are products and a, b, c and d are stoichiometric coefficients (relative number of moles of each molecule). T he equilibri...
CH
77167 Views

Why do group 3 metals form more acidic aqueous solutions than group 2 metals?

The equation of a metal ion forming a metal hexaaqua ion in aqueous solution is as follows. M n+ + 6H 2 O > [M(H 2 O) 6 )] n + These are acidic because the metal is positively charged , and so attracts el...
OW
Answered by Oliver W. • Chemistry tutor
10829 Views

What is a mole?

In chemistry the mole (mol) is a basic unit to describe a quantity of substance based on the number of particles (atoms or molecules) that it contains. The number of particles in one mole of substance is 6.0...
TP
Answered by Tomos P. • Chemistry tutor
4676 Views

When chlorine is bubbled through potassium bromide solution, the solution turns orange. Explain this.

This is because the reaction taking place is a displacement reaction , meaning that one element is being displaced by another. So what is being displaced?: If you look at the periodic table, chlorine is more...
LB
Answered by Leah B. • Chemistry tutor
88438 Views

What are the Key features of benzene?

The electrons/ Pi bonds are delocalised2. It is made up of six Carbons in a ring with two rings of electon density above and below the plane of the ring.3. It has a lower electron density than alkenes with a...
TE
Answered by Tabitha E. • Chemistry tutor
8117 Views