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What is the equation for photosynthesis?

6CO2 + 6H2O => (light energy) => C6H12O6 + 6O2
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Answered by Melanie T. • Biology tutor
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"Discuss the disadvantages of judicial precedent." AQA A Level Law, 2017.

Judicial precedent is the incremental approach of justices in following previous case law decisions in order to maintain a stable basis for UK common law. One disadvantage is that, due to the uncodified natu...
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Answered by Ed G. • Law tutor
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What is Fractional Distillation and how does it work?

Fractional Distillation is a method used in industry to separate different sized hydrocarbons (long chains that consist of hydrogen and carbon ). This is useful as it means crude oil can be separated into mo...
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Answered by Fred P. • Chemistry tutor
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How should we translate verbs ending in -ing into French?

Unlike in English, French only has one form of the present tense. This means that, no matter how tempting it may be, both 'I do my homework' and 'I am doing my homework' should be translated in exactly the s...
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Answered by Daniel P. • French tutor
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Why, in the bromination of phenols, do you not need an acid catalyst like you do in the bromination of benzene?

Benzene's delocalised π electrons means that it is not very nucleophilic and so cannot polarise a neutral molecule and produce the required electrophile. As a result it require a catalyst to form the electro...
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Answered by Sian A. • Chemistry tutor
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