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Explain the trend in Ionisation energy when moving across a period and down a group

Key definitions/explanation of terms

Ionisation energy is the energy required to remove one mole of electrons from 

OF
Answered by Olivia F. • Chemistry tutor
15185 Views

Explain which species is oxidised in this reaction: Br2 +2I– = 2Br– +I2

A useful way to answer oxidation/reduction questions is to remeber the acronym OIL RIG:

Oxidation Is Loss (of electrons) 

...

RB
Answered by Rory B. • Chemistry tutor
37631 Views

Explain which species is oxidised in this reaction: Br2 +2I– 2Br– +I2.

A useful way to answer oxidation/reduction questions is to remeber the acronym OIL RIG:

Oxidation Is Loss (of electrons) 

...

RB
Answered by Rory B. • Chemistry tutor
9706 Views

How do I solve simultaneous equations?

Simeltanous equations are a pair of equations that have 2 unknows. In order to solve a simelatneous equation 1 of the unknows must be eliminated. This can be done by either: 

1. Substitut...

RB
Answered by Rory B. • Maths tutor
4937 Views

Integrate the following function by parts and reduce it to it's simplest form. f(x) = ln(x).

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