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First, write a balanced chemical equation to determine the ratio of the reacting species: NaOH + HCl --> NaCl + H 2 O Sodium hydroxide and hydrochloric acid react in a 1:1 ratio, so the number of moles of...

The role of the myelin sheath is to speed up the conduction of an action potential along neurones. It's made up of Schwann cells that wrap around neurones, forming an insulating layer with gaps inbetween cal...

With any novel I would firstly advise that you have an extensive knowledge of the plot. For each chapter, as you read it, it may help to write yourself a short summary of what happened, which characters are ...

I remember this by: I P eed on the MAT, C (read:see) Interphase- 90% of a cell's life is in this metabolic phase Prophase- chromatin condenses, nucleolus disappears Metaphase- chromosomes align at the equato...

A stationary point is where the curve has 0 gradient. So to prove that x=4 is a stationary point, we must find the equation of the first derivative. To do this, differentiate x 2 - 2x - 24sqrtx. It might hel...