Calculate the ph of a buffer prepared by dissolving
Calculate the pH of a buffer prepared by dissolving 240.0g of ammonium chloride and combining it with 400.0 mL of 12.0M ammonium hydroxide (NH4OH, but you can treat it as 12.0 M NH3) and diluting to a final volume of 1.50L.
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The force generated in a living cell by elongation of a single actin filament is approximately 1 pN. Calculate the work done by this actin filament when it moves the cell membrane 0.10 micron.
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Consider a uranium nucleus to be a sphere of radius R = 7.4 × 10-15 m with a charge of 92e distributed uniformly throughout its volume. (a) What is the electric force exerted on an electron when it is 3.0×10-15 m from the center of the
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Two parallel metal plates have area A = 255 cm2 and are separated by l = 0.50cm. They have a potential difference of 0.25 V. Find the numerical value of the electric field. What are the charge density and total charge on each plate? Draw the equip
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