If a buffer solution is 0220 m in a weak acid ka 85 times
If a buffer solution is 0.220 M in a weak acid (Ka = 8.5 × 10-5) and 0.550 M in its conjugate base, what is the pH?
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Two slits are separated by .1 mm. Planar light incident on them produces a diffraction pattern on a board 1.35 m away, estimate the wavelength of light
Calculate the pH of a buffer solution obtained by dissolving 22.0 g of KH2PO4(s) and 40.0 g of Na2HPO4(s) in water and then diluting to 1.00 L
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If a buffer solution is 0.220 M in a weak acid (Ka = 8.5 × 10-5) and 0.550 M in its conjugate base, what is the pH
A 4 kg hammer is accelerated at 4m/s^2 before striking a nail for 1.6 sec find the force of the hammer
A silicon sample is 85x10^-6 m in length and has a cross-section of 20x10^-6 m x 6x10^-6 m. It has been uniformly doped with Arsenic with a doping density of 4.5x10^15 cm^-3. Assume the temperature is 300K and mobilities are u_n = 1300 cm^2/Vs and
What is the standard deviation of the returns on a portfolio that is invested 52 percent in stock Q and 48 percent in stock R?
A certain automobile engine is performing work at the rate of 33900 W (45 hp) with an efficiency of 27%
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