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A 25.5 ml sample of a diprotic acid is titrated with 0.245 M KOH .
If 66.5 ml of base is required to reach the second equivalence point, what is the concentration of the acid?
What is delta G for this reaction at 298 K when the partial pressures are PC2H6 0.15 atm, PH2 0.15 atm, and PCH4 0.75, What is the delta G in kJ/mol?
An ascorbic acid supplement was analyzed by titrating a 0.1000g sample dissolved in water with 0.0200M NaOH. A volume of 15.20 mL of the base was required to completely neutralized the ascorbic acid. What was the percentage by mass of ascorbic aci..
A gas mixture with a total pressure of 750 contains each of the following gases at the indicated partial pressures: , 253 ; , 120 ; and , 173 . The mixture also contains helium gas.
where its latent heat of vaporization is 20.4 kJ/mol. Its molar mass is 70.91 g/mol. (a) Calculate the internal energy change (deltaU) for vaporization of 100 g of Cl2(liq.)
find the ph of the solution at the following points in the titration: a) before any base is added b) when half the acetic acid has been neutralized c) at the equivalence pt.
Draw the skeletal structure of the indicated species. LDA is added to a solution containing phenyl propanoate. After this reaction has gone to completion, 3-pentanone is added.
A solution initially 0.100 M in HOCl and 0.300 M in NaOCl. What is the pH in 0.030 mol of solid NaOH is added to 1.00 L of this solution? Assume no volume channge.
Consider that a benzene molecule could fit nicely within a two-dimensional square box with each side having length of 5 degree A. a. Calculate the four lowest energy levels for an electron confined
How many electrons must aluminum lose before it can reach a stable electronic configuration? Use the table of ionization energy to justify your answer.
What will the percentage of mercury (I) ions remaining in solution be?
In an equilibrium mixture of the three gases, the partial pressures of SO2Cl2 and SO2 are 3.31 atm and 1.59 atm, respectively. What is the partial pressure of Cl2 in the equilibrium mixture?
Disulfur dichloride is produced by reacting chlorine gas with molten sulfur. What is the percent yield if 3.25 g S2Cl2 is isolated from the reaction of 5.0 g S8 and 3.75 g Cl2
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