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We can identify xe^(-2x) as a product and hence we will most probably need to use integration by parts.

We then set u = x and v' = x^(-2x). It is important to do it this way round so that when we d...

Super volcanoes are much bigger than normal volcanoes, usually erupting at least 1000 cubic km of material in a single event and far less frequently than normal volcanoes. Normal volcanos erupt nearer to ...

The subjunctive is known as mood rather than a tense in French as it denotes emotions such as hope, fear, desire as well as uncertainty which are triggered through certain verbs and impersonal phrases. Th...

The forward reaction in the Harber process is exothermic. Following Le Chatelier's principle, the reaction would therefore be favoured by using lower temperatures, increasing the yield of ammonia at equil...

Mix with bromine water (orange), if a double bond is present (alkenes) then the bromine water will be decolourised.