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Describe a single covalent bond in terms of the electron distribution of the atoms involved.

Atoms involved in a covalent bond will share ​a pair of electrons in order to acheive a full outer shell in both atoms. Each atom will donate a single electron to the bond, which will then orbit both atoms s...
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Answered by Thomas M. • Chemistry tutor
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The element sulfer is a common componant of coal. When the coal is burned, what pollutant will the sulfer form? How will this new compound impact the environment?

Sulfer, when burned in the presence of oxygen, will form sulfer dioxide (SO 2 ​). This can then dissolve in rain water, forming sulfuric acid. This will then fall to the ground as acid rain which can then ki...
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Answered by Thomas M. • Chemistry tutor
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What is a synapse?

A synapse is the tiny gap between two neurones. At a synapse information is passed across the gap via chemicals, called neurotransmitters, rather than using electrical impulses. When information passes acros...
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Answered by Emma C. • Biology tutor
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simplify (x-1)^2 - (x-1)

This question involves factorising then simplifying an equation. Start with the original equation:(x-1) 2 - (x-1) Take out a factor of (x-1)(x-1)(x-1-1)Simplify(x-1)(x-2)
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Answered by Nathan L. • Maths tutor
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How should I go about a descriptive writing task?

To an extent, descriptive writing is one of those things that can't be taught. Having said that however, there are a few things that you can do to help greatly improve your writing. One good technique is to ...
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