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Describe the features of a benzene ring that define its reactivity. How does phenol differ from this?

The six carbon atoms in benzene are arranged in a planar ring, with one hydrogen atom bonded to each carbon. Each carbon atom has 4 valence electrons, and uses three of them to form single bonds with the two...
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In what ways and to what ends does Thomas Hardy present the idea of fate in Tess of the d'Urbervilles?

In Tess of the d'Urbervilles, Thomas Hardy asks the reader to question whether or not Tess has any control over what happens in her life. At the beginning of the novel, Tess is punished for the death of Prin...
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Answered by Alicia B. • English tutor
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Is the trapezium rule an exact method of integration?

The trapezium rule is not an exact method of integration, as it approximates the gradient between 2 ordinates to be constant. This method produces an overestimation for convex functions and underestimate for...
Answered by • Maths tutor
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Define globalisation and explore one way in which it may bring about cultural change in developing countries.

The first requirement of the question is to define globalisation; Globalisation refers a process by which national boundaries are eroded and national economies, cultures, technologies and governance become i...
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Answered by Zoe T. • Sociology tutor
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Find all of the roots of the equation y = 3x^3 - 12x

Step 1: Remove the most obvious factor, in this case 3x. y = 3x (x 2 - 4) Step 2: Realize (x 2 - 4) is the product of two squares and can undergo completing the square to produce two factors. y = 3x (x-2) (x...
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Answered by Victoria D. • Maths tutor
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