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1. Structural isomers are compounds which have the the same molecular formula but the atoms are arranged in a different order. This can be due to a change in the carbon skeleton, the type of functi...

a) Differentiating gives d²y/dx²=-4x^-3-1/4

b) Let dy/dx=0 and rearrange to find x=2

c) Inserting x=2 into d²y/dx²=-4x^-3-1/4 ...

Intro: conservatism is practical and flexible. It is a means without ends not an ideology. Traditional Con: pragmatic. negative view of human nature therefore everyone needs to be told what to do One Nati...

Correct answer: the positive difference between the separated and combined mass of the nucleons. 

Explaination: The nculeons are held together by a binding force- ie the strong force, intermedicate...

Plants, like us, need food and water to survive. We have a heart, arteries and veins that help us circulate our blood around. But plants don't have that, and need ways of transporting water and food, whic...