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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) 

...

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Answered by Rory B. Chemistry tutor
9723 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
4953 Views

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

First note that ln(x) = 1ln(x), this is in the form udv/dx.

Let dv/dx = 1 and u = ln(x). 

du/dx = 1/x from the standard results and v = x by integration.

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Answered by Ryan B. Maths tutor
4761 Views

Can you explain the narrative techniques in The Turn of The Screw?

The governess is what we would call an unreliable narrator. She is unreliable for a variety of reasons- the most popular reason amongst critics being that she is insane. Following the ...

LS
21202 Views

What is an Extraneous Variable?

An Extraneous Variable is something that the experimenter cannot control, which can have an effect on the overall outcome of the experiment. The main four extraneous variables are demand charac...

LS
Answered by Lydia S. Psychology tutor
35458 Views

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