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1. Explain the product rule: d/dx ( f(x) . g(x) ) = f'(x).g(x) = g'(x) . f (x)
   2. Briefly run through trigonometric derivatives.* cos (x) differentiates to: -sin(...

1. Equation from line 6 is: 2 (ethanol) -------> 1 (ethoxyethane)
   2. The ratio of reaction is 2:1. This is the ratio of moles not mass, i.e., 2 moles of ethanol give 1 ...

1. Briefly explain the etymology of hydrocarbon names and how polymers are named. The answer is therfore, chloroethene.
   2. Draw a structure for chloroethene and show in diagram how chloroethene p...

As you go across the period from left to right (excluding noble gases), electronegativity increases. This is because the nuclear charge increases (Atomic Number/number of protons) and atomic radius decrea...

10 mark answer"The League of Nations failed for several reasons: the USA was not a member; its most powerful members, Britain and France, were motivated by self-interest; and any decision taken ha...