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A certain weak acid, HA,has a Ka value of 9.7 x 10 ^-7.Calculate the percent dissociation of HA in a 0.10 Msolution? Calcualte the percent dissociation of HA in a 0.010 Msolution?
6.00 mL of this solution was mixed with 77.00 mL of a solution of potassium nitrate and 68.70 mL of a solution of ammonium chloride. What is the molarity of Nacl in the final solution?
Determine the exact molarity of NaOH (aq), when a sample of KHC8H404 dissolves in water and is titrated with 24.03 mL of NaOH(aq).
what is the difference between using blue dye and red dye when determining the rate law for the oxidation by sodium hypochlorite?
Iron(II) chloride (melting point 677°C) and potassium chloride (melting point 776°C) form the compounds KFeCl3 and K2FeCl4 at elevated temperatures.
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm
Rhodium has a density of 12.45 g/cm3. This metal crystallizes in a face-centered cubic unit cell. Calculate the diameter of a rhodium atom?
which reactions might lead to 1-bromobutane a. 1-butanol +NaBr b. 1-Butanul +NaBr/H3PO4 c. 1-butanul + KBr / H2SO4 d. 1-Butanul +NaBr/ HCl
A sample of soil from a newly discovered cave is analyzed by a team of explorers. They find an element that is a good conductor of electricity. It also forms a chloride in the form XCl2 and an oxide in the form XO.
Calculate the change in chemical potential of an ideal gas when its pressure is decreased isothermally at 30 degree
What is the concentration of a saturated calcium carbonate solution?
Nitrogen oxides undergo many interesting reactions in the environment and in industry. Given the following information, calculate H for the overall equation
particular coal contains 5.45 by weight of sulfur. how many grams of so2 gas will be produced when 100.0g of the coal
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