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The first step is to formulate the Kc expression. Kc is the "concentration of the products / concentration of the reactants". We show concentration is in moldm^-3 by using square brack...

y²e^2x = 3y + x²1) Differentiation: Product rule, Explicity differentiation.2) Rearrangement: Collecting terms, Making dy/dx subject.

Firstly identify the main clause! Find the verb, then the subject (if there is one) and then the object. Look for any particular 'signpost' words that might suggest there is a subordinate clause (e.g. 'cu...

Don't just memorise the English translation! Make sure you understand how the sentence fits together grammatically e.g. identify the subject, object and the main verb and see what agrees. Then make a note...

Avoir (to have) and être (to be) are both auxiliary verbs used in the perfect tense in French. The majority of words take avoir in the passé composé, e.g. 'I played' be...