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What if I can't find an example of where a theory could be applied in the exam texts?

Before analysing a text, it's always a good idea to look at the contextual information that you have been given and come up with some theories which are likely to be relevant (e.g. if it's a transcript, Gile...
EH
3334 Views

If f(x)= ( ((x^2) +4)(x-3))/2x find f'(x)

Tackle differentiation questions in two parts: First put it into the simplest for possible for differenciation, then perform the differenciation. So for this equation you should first expand the top brackets...
AB
Answered by Alex B. • Maths tutor
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For the following reaction, you obtained 7.2 g of sodium sulfate, starting from 10 g of sulfuric acid. Sodium hydroxide is in excess. What is the % yield? H2SO4 + 2NaOH → Na2SO4 + 2H2O

Identify the limiting reagent: you have been told sodium hydroxide is in excess, so you know sulfuric acid is the limiting reagent Calculate the moles of the limiting reagent: n = m/M. m = 10 g , M = (1 x 2)...
RB
Answered by Rachel B. • Chemistry tutor
3932 Views

Crude oil is a fossil fuel - what is a fossil fuel and how is crude oil separated into its fractions?

A fossil fuel is a substance like coal, oil, or natural gas formed from decayed plant or animal remains which can be burned to produce energy and power. Crude oil is separated by fractional distillation - fi...
ES
Answered by Ella S. • Chemistry tutor
4492 Views

How do I answer a problem question on negligence?

Firstly, the issues in the problem question should be identified and highlighted. It helps to seperate the issues into claims, for example X v X. Secondly, each aspect of a negligence claim should be address...
JM
Answered by Jonathon M. • Law tutor
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