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Avogrado's constant = 6.02214086 × 10²³ mol^{-1 2.5/6.02=0.415 Ar of N = 14 Mr of N2 = 28 28 x 0.415=11.62}

Faustus could be perceived as a Gothic victim because he could be interpreted as a victim of himself; of his own ambitions and obsessions. The driving force for his act of selling his soul is to enhance h...

The human heart has four chambers, the right atrium, the right ventricle, the left atrium and the left ventricle. The right and left sides are completely seperated by the septum, this is so that the oxgen...

Marram grass is an example of a plant adapted to its environment, as it lives on sand dunes where the environment is harsh. The sand its roots are in means water will drain away and its closeness to the s...

This is because the left ventricle pumps oxygenated blood round the entire body while the right ventricle only pumps blood to the lungs which is a much shorter distance. Because the left ventricle needs t...