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15.00g of Si reacts with 25.00g of F2 to produce 28.67g of SiF4. Which reactant is the limiting reagent? An action potential can be referred as a ¨wave of depolarization¨ down the axon. Explain what you think this means.? Number Theory: Find the roots of 4x^2+6x+1 in Z11 (could you please explain step by step? THANKS!)? How many edges in a circle? 7^(x+1) + 7^x + 7^(x-1) = 399, what is x?