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What is calculus?

Finding the gradient or area underneath a graph
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Answered by Andrew G. • Maths tutor
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How do I start analysing language use in texts in exams?

While the texts are unseen, you can plan your exam analysis technique before you get into the exam. The AQA mark scheme in 2017 does a good job of breaking down what's important to include. First, close anal...
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Why was Charles I executed in 1649?

You can break down this essay into three sections: introduction, your reasons why you think Charles I was executed and a conclusion. In your introduction, you should give the reasons why you think Charles wa...
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Answered by Amelia W. • History tutor
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How do you write an essay plan to compare two texts?

There are two main ways in which to plan comparative essays. The first is taking each text as separate sections of the essay, and the second is to integrate talking about the texts throughout the essay. If y...
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i) Write down the Equation for the Haber-Bosch process. Stating clearly the catalyst used. ii) Explain why high pressures are used for this reaction in industry iii) Explain the importance of the catalyst

i) N 2 (g) + 2H 2 (g) = 2NH 3ii) Le Chatelier’s Principle : If a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium moves to counteract the change. Pressure is a result ...
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Answered by Ziona J. • Chemistry tutor
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