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What happens at the anode during electrolysis?

The anode is the positive electrode so attracts negative ions. At the anode, negative ions lose electrons (they are oxidised).The resulting product depends on the ionic substance but is non-metal and is ofte...
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Answered by Sharla P. • Chemistry tutor
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What role does acetylcholine have at the neuromuscular junction.

The neuromuscular junction is the meeting point between a nerve and a muscle, specifically a motor neurone and a muscle fibre. It is the way in which the brain communicates with the muscles of the body to in...
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Answered by Aaron S. • Biology tutor
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How do vaccinations work? Why don't they cause disease?

A vaccine is a weakened form of the disease causing bacteria injected in to the patient. The person then develops immunity to that bacteria and so when they are infected with the bacteria, they are able to q...
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Answered by Acrisa K. • Biology tutor
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Why can metals conduct electricity?

The outer shell of electrons in metals are delocalised, meaning they are able to travel freely around the metal. The negative electrons hold the positively charged metal ions together. The pool of delocalise...
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Answered by Acrisa K. • Chemistry tutor
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Prove that one interior angle of a a regular octagon = 135 degrees

Regular octagon has 6 triangles within it. Total of interior angles in a triangle = 180 degrees So the total of interior angles within a regular octagon would = 180 x 6 (=1080). All angles in a regular octag...
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Answered by Acrisa K. • Maths tutor
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