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What is Osmosis

Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration. This is done through a semi-permeable membrane. The aim is to have the same concentration of ...

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Answered by Miranda G. Biology tutor
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What is the trend of reactivity in group 1 metals?

As you go down group 1, the number of electron shells increases. This means that the outer electron is further from the attractive pull of the nucleus, and it experiences more shielding from the nucleus’ ...

Answered by Keshen P. Chemistry tutor
2179 Views

How should a history essay be structured, and how long should it be?

The general structure of a history essay should follow a similar pattern, in that it will start with a brief introduction outlining the general argument of the essay, and then move onto a series of points...

Answered by Kit M. History tutor
3131 Views

How should I prepare a text for an A Level English examination?

It is crucial to have read the text more than once ; this does not necessarily have to be in a linear manner, for once you are aware of the underlying structure it is possible to comb through a text thema...

Answered by Hannah "Harper" D. English Literature tutor
4061 Views

How does electrolysis work?

Electrolysis is essentially the movement of charged ions in a solution.For example, take sodium chloride, NaCl. NaCl is the electrolyte. The electrolyte is a substance, usually a salt tha...

Answered by Maddie R. Chemistry tutor
2736 Views

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