Recent content by alexio

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    Clairaut's Theorem: Continuous 1st Derivatives?

    If second derivatives of function,f, fxy and fyx, are equal, are the first dervitives, fx and fy, continuous?
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    Understanding Coupled Redox Reactions (10.8) from ACS Freeman Chemistry Book

    I have studied chemistry thorugh ACS chemistry book published by Freeman. Now I am studying chapter 10, Reduction-Oxidation and I have some problem with Coupled Redox Reactions, 10.8. I couldn`t understand the meaning of coupled reaction. When I found the definition of it, it made...
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    Difference Between Cyclic Paraffin & Paraffin

    what is the difference between cyclic paraffin and paraffin? Plz give me example
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    To distinguish if a critical point is a saddle point or not,. .

    To distinguish a critical point is a saddle point or not, It is useful way to use discreminent. The discreminent is fxxfyy-fxy^2. What I want to know is how to prove the discreminent.
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    Question about capacitor and dielectric

    The problem is that I am complicated what the direction of the force between capacitor and dielectric is while inserting dielectric in capacitor, when the voltage of capacitor is constant. Also I want to know the direction of the force, when the charge of the capacitor is constant.
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    Why does adding a dielectric increase the energy of a capacitor?

    First of all, I am not a native speaker so the sentence I wrote may not make sense. So If you want to know meaning of it pleask ask me. In most of the nature phenomena, most thing has been happened to reduce there potential or energy. However if insert a dielectric in the gap of a capacitor...
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