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Pendant mon temps libre j'aime faire beaucoup de sport parce que c'est mon intention de rester toujours en forme. Depuis ma jeunesse, j'ai eu une passion pour le tennis car je regardais les meilleurs prof...

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...

One of the first recorded attempts to define narrative, and therefore begin to understand its associations with history, was Aristotle in Poetics[1], in which he alludes...