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'Por' and 'para' convey very different meanings in Spanish and using one instead of the other can change the whole meaning of the phrase. For example:-

Trabaja para Carmen - She works for Carm...

5^x-3=7^2x+1

log₅5^x-3=log₅7^2x+1

x-3=(2x+1)log₅7

x-2xlog₅7=3+log₅7

x(1-2...

If a chiral molecules undergoes nucleophilic substitution what happens to its stereochemistry?

S_N1: These reactions occur with the production of a cationic intermediate. These conta...

Transition metal ions have, by definition, at least one partly filled d orbital (eg:3d). When in a solution, the positive charge of the transition metal ions can cause the lone elctron pairs of other ...

You've spent ages writing your personal statement, working hard on your A Levels/IB, and tackling entrance exams - and it's all paid off, because you've got yourself an interview at a medical school! ...