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A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in tetraamminecopper(II), [Cu(NH_3)_4]^{2+}. If a standard hydrogen electrode is used as the cathode, the cell potential, E_cell, is found to be 0.076 V at 298 K.
Based on the cell potential, what is the concentration of \rm Cu^{2+} in this solution?
A certain substance has a heat of vaporization of 34.75 kJ/mol. At what Kelvin temperature will the vapor pressure be 4.00 times higher than it was at 289 K
consider 25.0 g of water at 21.7degc that are mixed with 25.0 g of water at 43.3degc in a foam cup calorimeter. the
The Ksp of magnesium carbonate is 4.0x10-5. write balanced chemical equations and Ksp expressions for each of the salts as part of your solution
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In acid based titration, 33.65mL of an 0.148 M M HCL solution were required to neutralize 25.00 mL of a NaOH solution . What is the molarity of the NaOH solution
There are two common polymorphs of zinc sulfide: cubic and hexagonal. Based on the analysis of Madelung constants alone, predict which polymorph should be more stable.
A 25.00 ml aliquot of a nitric acid solution of unknown concentration is pipette into a 125ml Erlenmeyer flask and 2 drops of phenolphthalein are added.
Is the energy that an electron has in the first energy level of atom A the same as the energy that an electron would have in the first energy level of aom B
the label of an aerosol spray can contains a warning that the can should not be heated to over 130 degrees f because of
a compound has the empirical formula ch2o. when 0.0866g is dissolved in 1.000g of ether the solutions boiling point is
A 25 mL sample of 0.200M NH3 was titrated with 0.200M HCl. Calculate the pH at each of the following points in the titration: 0.0 mL acid added; 10.0mL acid added;20.0 mL added;25.0 mL acid added;30.0 mL acid added
a solution is made by dissolving 26.42g of nh42so4 in enough h2o to make 50.00ml of solution.a. what is the molar mass
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