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A student titrated a sample containing .5671 grams of Oxalic Acid with .3150 N of NaOH. The end point was reached after the addition of 20.12 mL of NaOH. Calculate the experimental equivalent weight for oxalic acid.
How many grams of solid barium sulfate form when 10.2 mL of 0.160 M barium chloride reacts with 68.6 mL of 0.055 M sodium sulfate. Aqueous sodium chloride is the other product.
Within the Bohr model of the hydrogen atom, the radius of the orbit for the ground state was 5.292 x 10-11 m. Using de Broglie's idea that the circumference of this orbit had to equal the wavelength of the electron
at 80 degrees celsius the vapor pressures of pure liquids X,Y and Z are 385, 190,and 66 mm Hg, respectively. What pressure must be exerted on the surface of a solution containing one mole of X, three mole of Y, and two moles of Z for boiling to be..
a buffer was prepared by adding 2.4 g of ammonium nitrate to 100.0 ml of 0.30 m ammonia kb 1.8 times 10-5. to this
Draw the skeletal structure of the product or mixture of products that result from the bromination of the given starting material with less than one equivalent of NBS in the presence of peroxides.
The final temp of the water is 78.26 degrees F. Calculate the specific heat of the metal. Assume that all energy lost by metal is gained by the water.
How much energy is liberated at constant pressure if .0894g of HCl reacts with excess calcium carbonate
What is the percent yield of carbon dioxide if 3.06 g of the gas is collected when 10.7 g of marble reacts
Draw a mechanism showing electron flow with curvy arrows that includes all steps and intermediates going from starting materials to TPCP
explain why it is dangerous to mix solutions in a test tube by placing a finger
What is the width of a 1275 gram piece of aluminum with an area of 18.5 square meters and a density of 2.7 g/cc
a simple cubic unit cell is composed of identical spherical particles with a diameter of 75 pm.what is the volume of
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