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Explain Fractional Distillation (6 Marks)

Fractional distillation is the process of separating the different hydrocarbon compounds within crude oil (Show understanding of fractional distillation through context) . First the crude oil is heated/vapor...
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Answered by Aatif H. • Chemistry tutor
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Discuss gender in The Great Gatsby

Fitzgerald portrays a male-dominated society where women are either sexualised or idolised in The Great Gatsby. Daisy is presented as a pure, blank canvas for men to project their desires onto, as she is oft...
AM
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'Characters in Macbeth conform to gender norms.' To what extent would you agree with this statement?

Initially, Macbeth is described as 'brave' and 'valiant' by his fellow comrades. These men speak about Macbeth attacking someone on the battlefield, he "unseam'd" his opponent "from the nave t...
MS
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What are the limiting factors of photosynthesis?

A limiting factor is an environmental factor that restricts metabolic reactions from occurring within an organism. The 3 main limiting factors in photosynthesis are the light intensity, carbon dioxide concen...
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Answered by Antonia H. • Biology tutor
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(a)Show that the lines y=3x+7 and 2y–6x=8 are parallel. [3 marks] (b) Is the point (–5, –6) above, below or on the line y = 3x + 7 ? Do not use a graphical method. [2 marks] [Total 5 marks]

(a) The gradient of y=3x+7 is 3 and rearrange 2y–6x=8 to y=3x+4 to show the gradient of 2y–6x=8 is also(6÷2=) 3. Alternatively, choose a value for x and find y value for both lines (e.g. (0, 7) and (0, 4)); ...
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Answered by Iman I. • Maths tutor
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