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The Ka of a monoprotic weak acid is 8.34 × 10-3. What is the percent ionization of a 0.196 M solution of this acid? Why does wikipedia say motor's back-EMF is "not due to the motor's inductance but a separate phenomenon", which phenomena? Please find the missing numbers for these Pythagorean Theorem questions and round to the nearest tenth if necessary.Please show all work? F(x, y) = sin(2y/x) and u is unit vector in direction (1, 2).? Two point charges, q₁= +5 nC and q₂= +4 nC, are located on the x-axis at x= 0 and x=5.00 m. What is the electric field at point x=1.41 m?