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In both cases a death has occurred. We all know that for someone to be guilty of murder they must have satisfied the actus reus and the mens rea, they must have unlawfully caused the death and they must h...

A simple way of thinking about why enzymes catalyse only specific reactions is to think of the enzyme and the substrate (the compound the enzyme is acting upon) as a lock and key system. Enzymes have a pa...

First, we simply label the two equations as 'Equation 1' and 'Equation 2' respectively. So we have: Equation 1: 2x + y = 18and Equation 2: x - y = 6. In simultaneous equations, there are two variables: x ...

21.5 cm³ / 1000 = 0.0215 dm³ of HCl. n = cv so (0.050) x (0.0215) = 0.001075 mols of HCl. NaOH + HCl --> NaCl + H₂O so there is a 1:1 ratio of reactants to products. Th...

First of all, it's definitely safe to say that space is one of the play's key themes. We see it in lots of different ways - but in the broadest sense, you should notice how the play moves from a wide open...