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Why would you use a subjunctive in this sentence? "Quiero que venga conmigo."

The subjunctive refers to a mood that deals with any form of uncertainty, as opposed to the indicative which deals with certainty and factual actions. "Quiero que venga conmigo" expresses a desire ...
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Answered by Benjamin S. Spanish tutor
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Find the integral of xcos(2x) with respect to x

You can see that this question is asking you to do integration by parts. Remember that the integral of uv' is equal to uv - the integral of u'v. You want to find a u that gets easier when you differentiate i...
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Answered by Krystian J. Maths tutor
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Describe the difference between respiration and breathing.

Respiration - the biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in ce...
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Answered by Shivani S. Biology tutor
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Explain how a catalyst can effect the rate of a forward and reverse reaction.

A catalyst can provide a different mechanism or pathway for a chemical reaction through stabalistion of the transition state. The catalyst will lower the activation energy of the reaction meaning a greater n...
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Answered by Kieran N. Chemistry tutor
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Palladium acts as a heterogeneous catalyst in the reaction between an alkene with hydrogen by providing an alternative reaction route. Describe the stages of this reaction route. (3 marks)

The detail required for many A-level questions is indicated in the number of marks available. As this question awards 3 marks, 3 separate points must be made. For example, the first stage of a heterogeneous ...
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Answered by Amy S. Chemistry tutor
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