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Given 106 mL of a buer that is 0.3 M in HOCl and 0.7 M in NaOCl, what is the pH after 14 mL of 0.97 M NaOH has been added? (Ka for HOCl = 3.5×10-8)
Find the magnitude of the gravitational force that each part exerts on the other out in space, far from any other objects.
What mass of ethylene glycol must be added to 1615g water to raise the boiling point to 104.3 degrees celcius?
Calculate the concentrations of NH4+ and NH3 and the pH in a solution prepared by mixing 22.0g of NaOH and 0.500L of 1.5 M NH4Cl. Assume that the volume remains constant.
Calculate the % copper in an ore that contains 25 % cu2so4
Calculate the k value associated with the reaction at 25 degrees celcius given the Gibbs free energy of formation of N2H4 is -419.15Kj/mol
sample of KHP required 33.86 mL of sodium hydroxide, what was the molarity of the sodium hydroxide solution?
A 739 mL gas sample at STP is compressed to a volume of 244 mL, and the temperature is increased to 24 ?C. What is the new pressure of the gas in Pa?
The triprotic acid H3A has ionization constants of Ka1 = 7.5× 10-2, Ka2 = 7.8× 10-9, and Ka3 = 6.9× 10-12. Calculate the following values for a 0.0580 M solution of NaH2A Calculate the following values for a 0.0580 M solution of Na2HA.
Problem- Ammonium perchlorate is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas, chlorine gas, oxygen gas, water and a great deal of energy. 1) What mass of oxygen gas is produced by the reaction..
The difference between the energy of the photons and the kinetic energy of the electrons corresponds to the energy needed to remove the electrons (that is, the ionization energy). Suppose that a PES experiment is performed in which mercury vapor i..
Which of the following substances would be expected to be the most soluble in CCl4? Answer with explanation as to why. a)NH3
Describe the computational procedures that lead to the determination of the rate constants ka and kb from measurements of tau for different values of [A]tot
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