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Examine how colour is used in Sylvia Plath's poem, Tulips.

In Plath's 'Tulips' the speaker uses a juxtaposition between the white and clinical depiction of the hospital with the excruciating 'redness' of the flowers to present her feelings of pain and anguish. Th...

Answered by Harriet T. • English Literature tutor

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What are the steps in semi-conservative DNA replication?

Initially, the DNA is present in the form of a double helix, comprising 2 polynucleotide strands joined by hydrogen bonds between complementary bases. The enzyme helicase unwinds and separates the 2...

Answered by Hannah P. • Biology tutor

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There are 10 boys and 20 girls in a class. The class has a test. The mean mark for all the class is 60. The mean mark for the girls is 54. Work out the mean mark for the boys

Find the total number of people in the class 10+20=30
find the total number of marks achieved by the class 60x30=1800
since the mean mark for the girls is 54, you can work out the total marks ac...

Answered by Dessi T. • Maths tutor

3527 Views

What is the acid dissociation constant, Ka of the 0.150 mol dm–3 solution of weak acid HA with pH of 2.34?

First, It would be useful to write the equation for the dissociation of the weak acid HA, which is HA <--> H⁺+ A^-. Then, write the Ka expression of the weak acid HA, which is [...

Answered by Venus S. • Chemistry tutor

8984 Views

Solve 10x - 7 = 4x + 5

Firstly, we want to gather similar terms. This means that we want to rearrange the equation so that all the x terms are on one side of the = sign and all the constants (the "ordinary" numbers) a...

Answered by Mary O. • Maths tutor

4250 Views