Determine the magnitude of the electric field along axis
A rod 8.6 cm long is uniformly charged and has a total charge of -26.1 μC Determine the magnitude of the electric field along the axis of the rod at a point 40.8268 cm from the center of the rod. The Coulomb constant is 8.98755 × 109 N · m2/C2.
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A total of 17.34 mL of 0.122 M H2O2 titrant is required to completely neutralize 25.00 mL of an unknown concentration of Fe2+ in basic aqueous solution according to the generalized redox reaction formula.
A student mixes 5.00 mL 2.00 x 10-3 M Fe(NO3)3, 2.50 mL 2.00 x 10-3 M KSCN, and 2.50 mL H2O to give a solution having a total volume of 10.00 mL. She finds that in the equilibrium mixture the concentration of FeSCN2+ is 7.50 x 10-5 M. What is the
What molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 5.20? [Ka(C6H5COOH) = 6.5 * 10-5]
Since methylene chloride and water to not mix, by wetting a piece of filter paper with water addition of both layers to the filter funnel results in the aqueous layer passing through the paper and the organic layer remaining in the funnel.
What are the metabolic and physiological processes that increase the concentration of protons and carbon dioxide in the blood during exercise?
A balloon is filled with helium to a volume of 25 L at 100kPa pressure and 25°C. The balloon is then released. What volume does it occupy when it has reached an altitude where the pressure is 18 kPa and the temperature -24°C?
Draw the structure of a hydrocarbon that reacts w/ 2 equivalent of H2 (H sub 2) on catalytic hydrogenation and gives only succinic acidon reactions with acidic KMnO4 (KMnO sub 4).
A tanker truck carrying 5.0 x 103 kg of concentrated sulfuric acid (H2SO4) tips over and spills its load. If the solution is 95% sulfuric acid by mass and has a density of 1.84 g/L how many kilograms of sodium carbonate (Na2CO3) must be used to ne
In the laboratory a student named Georgia weighed 5.95 g of an unknown solid mixture containing benzoic acid, copper (II) sulfate, and sand. She added 15 mL of acetone to her sample and dissolved one of the components of the mixture.
A sample of nitrogen gas is collected over water at a temperature of 23.0 degrees Celcius. What is the pressure of the nitrogen gas if atmospheric pressure is 785 mm Hg?
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