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The length of a rectangle is five times the width. The area of the rectangle is 1620 cm(squared) Work out the width of the rectangle.

If the length is 5 times the width we can say that length=5a if width=a. We know the equation for: the area of a rectangle= length x width.In this case: area= 5a x a= 5a 2 and from the question we know that ...
SJ
Answered by Sophie J. • Maths tutor
11373 Views

What 2 reagents are required to form NO2+ (state conditions)? Write an equation for this reaction.

Concentrated sulphuric acid (H 2 SO 4 ) and concentrated nitric acid (HNO 3 ).H 2 SO 4 + HNO 3 -> HSO 4 - + H 2 NO 3 + H 2 NO 3 + <-> (equilibrium arrow, do not penalise if normal arrow used ) H 2 O...
EC
Answered by Eleanor C. • Chemistry tutor
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Describe the process of ultrafiltration in the Kidneys.

Ultrafiltration occurs in the nephron, the functional unit of the kidney. Blood enters a coiled network of vessels called the glomerulus from the afferent arteriole at a high hydrostatic pressure. The glomer...
MM
Answered by Matthew M. • Biology tutor
23196 Views

What is one way in which the disturbing aspects of human nature are explored in 'Othello?'

Iago shares a viewpoint on human nature, exploring its disturbing aspect through one’s exploitative potential, and the power of hatred. E.A J. Honigmann describes Iago as the ‘liar, betrayer [and] mental tor...
SC
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How do I effectively analyse a poem?

It is often hard to know where to start when analysing a poem. I think it is easiest to initially get a grasp on the content of the poem. This may seem obvious, but at first glance a poem can seem confusing....
RG
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