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why doesnt nail rust in a NaOH solution? i thought na is more reactive so it will give him electron to the fe?

umm so i have to build a generator but my understanding of it is very poor and when i look at the explanation from the textbook i don't seem to get much out of it :( i know that a DC generator converts mechanical energy * -> electrical energy. The coil rotates because of the magnetic field and...

what is the product when ethanol + OH- ???

Find the first, second, third, fourth, fifth derivatives of the function y = sin 3x. Find the rules that can help to find the 50th derivative of the function. It's urgent! My attempt to the question: y = -a^n sin ax for even...

Just wondering how to factorize this (2x^4-3x^2+x)^1/2 would that be x^1/2(2x^3-3x+1)^1/2 or x(2x^3-3x+1)^1/2 or neither?:hammer: