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The molecular formula of an atom shows you the actual number of atoms of the elements in a compound. For example ethane has molecular formula C2H6 meaning there are 2 carbon atoms and 6 hydrogen atoms in ...

At the centre of the atom, is the nucleus. This is made up of protons and neutrons. Protons are positively charged, with a relative charge of +1. Whilst neutrons are neutral (relative charge = 0).Surround...

Protein synthesis is a convoluted process but, essentially, all the cell is doing is 'reading' the instructions contained within the base sequence in the correct gene or 'section' of the DNA and then doin...

The subtitle of the novel 'A Pure Woman Faithfully Presented' represents Hardy's moral view of Tess in contrast to the Victorian attitudes of the characters around her.
The novel generally follows t...

First, we must find the two points at which the curve crosses the boundary. To do this, set y=0 and solve.0 = 5x - 2x² - 20 = (2x - 1)(-x+2)This gives that x = 0.5 and x = 2Next, we integrate w...