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The crude oil is placed into large tanks, which are heated at the bottom, creating a gradient whereby the column is cooler at the top. The heat causes the oil to evaporate, and each fraction will reach a ...
Benzene consists of a ring of 6 carbon molecules. Each of these carbon molecules are bonded to each other by single bonds. This leaves free electrons in p-orbitals. The p-orbitals overlap, creating pi-bon...
A good structure is crucial for a good essay because it allows the reader to follow your line of argument and because it prevents any confusion. One of the key elements of a good paragraph, therefore, is ...
To begin, understanding the basica concept of algebra and multiplication using brackets needs to be covered as I have met quite a few children who have been used to these equations but are still unsure ab...
Expand brackets: 18x^2 - 42xy - 6xy + 14y^2 Simplify: 18x^2 - 48xy + 14y^2
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