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Can you explain adjective endings to me?

Like every grammar topic in German, adjective endings become more intuitive the more you read and write. One possible (and possibly tedious) way of learning them is through memorising grammar tables, but I'l...
CD
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Describe the model now used for the structure of an atom. Refer to the constituent particles including their relative masses and charges.

In an atom, the mass is concentrated in the nucleus which is at the centre of the atom. The nucleus is composed of neutrons and protons, each with a relative mass of 1. By comparison, the third component of ...
LC
Answered by Lewis C. • Physics tutor
20458 Views

Describe the energy changes as electricity is produced in a fossil fuel station.

To begin with, chemical energy in the fuel is released through combustion and becomes thermal energy. This thermal energy is used to heat water which evaporates and become steam. The rising steam turns turbi...
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Answered by Lewis C. • Physics tutor
4853 Views

What can I do to revise maths?

Do every past paper you can find!
AL
Answered by Anabel L. • Maths tutor
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"Sulfur Dioxide can be represented as a sulfur atom with double bonds to each of two oxygen atoms, explain the shape of this molecule and predict the bond angle".

This molecule is v-shaped. There are three areas of electron density surrounding the central sulfur atom, these three areas of electron density repel as far apart as possible, explained by the VSEPR theory, ...
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Answered by Firat G. • Chemistry tutor
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