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If 9g of alumnium reacts with 35.5g of chlorine, what is the empirical formula of the compound formed?

Empirical formulaThe empirical formula is a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms. To find this you require the mas...

BF
6567 Views

What is an isotope?

Isotopes are atoms of an element with different numbers of neutrons. They have the same proton number, but different mass numbers. They have the same chemical properties, due to having the same number of ...

BF
4172 Views

What is Plato's Analogy of the Cave and its significance for philosophers?

With Plato’s analogy of the cave I find it is really useful to understand it visually, so I’m going to draw a diagram of the cave as I explain it. The useful thing about this is that when it comes to revi...

EC
10115 Views

How do I go about answering questions in my interview if I don't know the answer?

If you have got to the interview stage of an Oxbridge application then the Director of Studies or whoever is conducting the interview is obviously interested in you, they know that you are a capable stude...

EC
1687 Views

Describe and explain how an action potential is generated

This is a common question, that takes a little while to get your head around. Once you've understood the process, it can be simplified down to a cycle of 3 steps for memory: depolarisation

DS
Answered by Diluxshan S. Biology tutor
4240 Views

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