What is the ph of a 015 m solution of the weak base ammonia
What is the pH of a 0.15 M solution of the weak base ammonia (NH3)? The Ka of the conjugate acid is (NH4) is 5.6e-10.
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Given the spectrum X(f) of an analog signal x(t), sketch the spectrum of its sampled version x[n], assuming a sampling rate of 50, 40, and 30 Hz. (a) X(f) = rect(f/40) (b) X(f) = tri(f/20)
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 67.9kJ of heat. Before the reaction, the volume of the system was 8.80L . After the reaction, the volume of the system was 2.80L .Calculate the total internal energy change
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A PN junction has a doping concentration of 10^15, 10^16, or 10^17 cm-3 on the lightly doped n-side and of 10^19 cm-3 on the heavily doped p-side. Obtain series of curves of 1/(C^2) vs. V, where V rages from -4V to 0V in steps of 0.5 V.
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