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Question- A 0.25-mole quantity of CuSO4 is added to a liter of 1.0 M NH3 solution. What is the concentration of Cu2+ at equilibrium? [The formation constant for Cu(NH3)42+ is
Kf = 5.0 x 1013.]
Please show how you obtained the answer
Gallium crystallizes in a primitive cubic unit cell. The length of the unit cell edge is 3.70A. The radius of a Ga atom is how many A
What mass of carbon dioxide is produced from the complete combustion of 6.20×10?3 of methane: CH4+ 202 Yields CO2+ 2H2O
Name two intermolecular forces that are mixed up in chromatography and the roles that they play during separation.
Describe using chemical reactions how Oxone keeps swiming pool water clean (i.e. what would happen to the solubility of organic materials such as algae when treated with Oxone
What molar ratio of acetic acid to sodium acetate is required to create a buffer solution having a pH of 4.84 at 25°C? Ka for HC2H3O2 is 1.8 × 10-5.
Table salt contains 39.33 of sodium per 100 of salt. The Food and Drug Administration (FDA) recommends that adults consume less than 2.40 of sodium per day. A particular snack mix contains 1.19 of salt per 100 of the mix.
Explain the differences in values of the ligand field splittings (Delta = DeltaO or DeltaT for the cobalt complexes below): [Co(NH3)6]3+ ----> Delta = 22,900 cm-1, [Co(H20)6]3+ -----> Delta = 18,200 cm-1, [Co(NH3)6]2+ -----> Delta = 10,200 cm-1 [C..
Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 50. cm3. If the combustion of this mixture releases 865 J of energy, to what volume will the gases expand against a constant pressure of 640
A cell based on the reaction below has a standard potential of +0.42 V at 25°C. If all of the species are at standard conditions except [H+], at what pH will the cell have a potential of zero. H2O2(aq)+ 2 H+(aq) + 2 Cl-(aq)? Cl2(aq) + 2H2O(l)
MgNH4PO4.6H2O loses H2O stepwise as it is heated. Between 40c and 60 the monohydrate is formed, and above 100 celcius the anhydrous material is formed.What are the phosphorus percentage of the monohydrate and of the anhydrate material?
a specific brand of gourmet chocolate candy contains 7.00g of dietary fat in each 22.7-g piece. how many kilograms of
What is the ground state electronic configuration for H2Se. What is the electronic geometry. What is the molecular geometry.
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