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How do buffer solutions work and how do you calculate the pH of a buffer solution?

First consider what a buffer is and what a buffer can be made from. A buffer is a solution resisting change in pH formed from a weak acid and its salt (a conjugate acid base pair), or from any weak acid and ...
Answered by • Chemistry tutor
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Outline the Knowledge/Mary argument and one criticism of it (12 marks)

The Knowledge/Mary argument was a thought-experiment coined by Frank Jackson, primarily in an attempt to show that Physicalism was false, and indirectly to support Property Dualism. It goes as follows:P1: Ma...
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Answered by Freya L. • Philosophy tutor
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How do you form the passé composé with être?

There are fourteen main verbs which need to use être in the passé composé (past tense) and these can be remembered in one of two ways: either by MR RED VAN TRAMPS or MRS VAN DER TRAMP. These verbs are (if I ...
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Answered by Betty B. • French tutor
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"Voltaire a écrit son conte philophique 'Candide' afin de critiquer les institutions de son epoque". To what extent do you agree?

Dans son conte Voltaire cherche à critiquer une grande gamme d'institutions politiques, religieuses et sociales... (This essay would go on to examine the various ways in which Voltaire criticises religious a...
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Answered by Alice M. • French tutor
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Discuss the representation of contemporary issues in the media LEVEL):

I will discuss the question relating to these media texts: A + BWhat types of representations are constructed: X + Y + ZAnalysis of Example A: with use of technical media language (depending on what type of ...
Answered by • Media Studies tutor
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