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IUPAC name stem comes from the longest chain of carbon atoms, in this case five atoms giving pentan-, and the suffix comes from the most important functional group in the molecule, in this case the carbox...

Dependendo do artigo escolhido, aconselhava a começares com um introdução que não preveja o que vem no resto do texto, mas sim que apenas introduza a obra ou o trabalho escolhido e o que vai ser sobre. Um...

We differentiate y with respect to x:Firstly, we apply the Chain rule in the fist part of the RHS. Remembering the chain rule is uv -> u'v+uv', so d(3xe^{3x^2})/dx=3e^{3x^2}+18x^{2}e^{3x^2}now, we sim...

BC = BA - CA = (3a - b) - (a + 4b) = 2a - 5b ...

Arabic is a very formulaic language, and you can use this to your advantage! Arabic words are derived from basic root words, usually comprising of three letters. Let's use the example of كتب ., which is a...