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The product rule is used when finding the derivative of the product of two functions - two functions multipled together.
If y = f(x)g(x), then
dy/dx = f'(x)g(x) + f(x)g'(x)<...
The most important thing when writing is strong argument is that you clearly state your argument in the introduction and build on this throughout the essay to finally come to a coherent conclusion back...
Work done (joules) = Force (newtons) x distance moved in direction of the force (metres)
Work done = 10 x 2 = 20J
Cold and low oxygen - minimises likelihood of organisms decaying
Ar of Magnesium = 24; Ar of Oxygen = 16
number of moles = mass divided by Ar
number of moles of Mg = 2.4/24 = 0.1
number of moles of Oxgen = 1.6/16 = 0.1
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