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I can't take my books into the exam, how do I memorise them?

First thing is, try not to worry, it's only natural to panic about being able to quote your texts in a closed book exam but you have to remember that the examiners are not expecting you to be able to recite ...
SL
4732 Views

The normal price of the pair of shoes is £28. In a sale the price is reduced by 35%. What is the new price of the shoes?

If you take £28, what is 10% of 28? 2.8 So what is 30% of 28? You would do 2.8 x 3... which is? 8.4 And what is 5% of 28? You would half 2.8...so 1.4 Now add together 30% of 28 and 5% of 28... this gives 9.8...
SD
Answered by Seyta D. • Maths tutor
4567 Views

Describe transport of materials by a river system

Salts and minerals are dissolved into the river water and thus travel in solution. Insoluble materal such as clay floats giving the river water a darker murky appearance as it travels in suspension. larger r...
JC
3325 Views

What is the difference between the two main schools of thought on enzyme function?

The first of the two major theories are Lock and Key mechanism, which describes the perfect design of the enzyme active site to that of its substrate so that they can immediately interact on contact without ...
JC
Answered by Jonathan C. • Biology tutor
3070 Views

What is the % yield if 12g of magnesium is dissolved in hydrochloric acid to produce 20g of magnesium chloride?

First we need to write the balanced equation for the reaction. In this case it is Mg + 2HCl -> MgCl 2 + H 2 . Now we need to work out the maximum theoretical yield of MgCl 2 from 12g of Mg. 12g of Mg is 0...
HW
Answered by Holly W. • Chemistry tutor
8088 Views