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The molar solubility of magnesium carbonate is 1.8 ? 10-4 mol/L. What is Ksp for this compound?
How do you determine the charge of an electron when given the number of moles of electrons and the amount of electricity passed through the circuit?
five grams of the specified pure solvent is placed is placed in a variable volume piston. What are the molar enthalpy and total enthalpy of the pure system when 50% and 75% have been evaporated at
Calculate the entropy change associated with the isothermal expansion of 5.40 mol of ideal gas atoms
A two-component mixture of volatile liquids was separated by gas chromatography using a 15 meter capillary column. The separation was insufficient with this column to see resolution of both fractions.
In a second experiment, I(electric current) broke down a sample of H 2 O into 1.45 grams of hydrogen and 11.51 grams oxygen. Are these results reliable with the law of exact extent?
At its boiling point of 100C, 724 kJ of heat is required to vaporize 321 g of water. What is the molar enthalpy of vaporization of water
Use stereoformulas to show that (S)-benzoin reduces to meso-hydrobenzoin.
A balloon is filled to a volume of 5.0 102 mL at a temperature of 29.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 102 K. What is the final volume of the balloon?
The unknown solution is composed of 50.0 g of nitrobenzene and 5.00 mL of the liquid unknown. Freezing point for nitrobenzene is 5.20 degrees C
Write a detailed mechanism for a) the Fischer esterification of acetic acid with ethanol in the presence of sulfuric acid and b) the reaction of acetyl chloride with ethanol.
A 15.0 ml sample of nitric acid solution is titrated with a 0.960 M barium hydroxide until the end point. Based on the titration data, the concentration of nitric acid is determined to be 3.18 M. Calculate the volume in milliliters of barium hydro..
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV
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