Top answers

Chemistry
A Level

Why are solutions of transition metal ions often coloured

Transition metal ions have, by definition, at least one partly filled d orbital (eg:3d). When in a solution, the positive charge of the transition metal ions can cause the lone elctron pairs of other ...

SA
Answered by Stuart A. Chemistry tutor
6907 Views

What is the ideal gas equation?

The ideal gas equation, pV = nRT, is an equation used to calculate either the pressure, volume, temperature or number of moles of a gas. 

JC
76043 Views

Why does AlCl3 form the dimer Al2Cl6?

AlCl3 has a trigonal planar structure. There is an aluminium atom with 3 sp2 hybridised orbitals which bond to 3 chlorine atoms. The bond angle is 120 degrees. Each chlorine atom...

JW
52690 Views

What is a curly arrow?

A curly arrow is an arrow that shows the movement ...

JT
Answered by Jonny T. Chemistry tutor
10008 Views

What is Entropy?

Entropy

At a Basic Level

Entropy, whilst a mathematical concept can be described as a measure of disorder. The more disor...

PC
Answered by Peter C. Chemistry tutor
5526 Views

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