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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/va...

Answered by Aatif H. • Chemistry tutor

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prove by induction that, f(n) = 2^(3n+1) + 3(5^(2n+1)) is divisible by 17 for all n>0.

With induction we start with the base case n = 1. So setting n=1 we find that f(1) = 391 which is equal to 17x23. So indeed the base case holds.We assume that for positive integers k, f(k) is divisible by...

Answered by Matt B. • Further Mathematics tutor

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Outline the reasons why insects and other animals need well-developed transport systems (3 marks)

This question has 3 marks attached to it, therefore the examiner is looking for three clear points.

Larger organisms tend to have higher metabolic demands as they are more active.

Answered by Vaibhav D. • Biology tutor

12797 Views

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 ...

Answered by Alesya M. • English Literature tutor

7108 Views

Why is the left ventricle wall more muscular than the right ventricle wall?

The heart has 2 sides; the left and the right. The left side of the heart pumps oxygenated blood from the lungs to supply the rest of the body. The right side of the heart pumps deoxygenated blood from th...

Answered by Elizabeth R. • Human Biology tutor

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