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Problem- A current of 4.73 A is pass through a Pb(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 6.80 g of lead?
It is not a question in the book, so I just need the full solution of deriving
What is the hydroxide-ion concentration of a 0.190 M oxalic acid, H2C2O4, solution? For oxalic acid, Ka1 = 5.6x10-2 and Ka2 = 5.1x10-5.
Question- A mixture of 1.374g of H2 and 70.31g of Br2 is heated in a 2.00L vessel at 700K. Calculate the equilibrium concentration of H2. Calculate the equilibrium concentration of Br2
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 ..
Using the quantities given in the Procedure, calculate the theoretical yields for the mononitration of (a) acetanilide and (b) methyl benzoate. Acetanilide = quantity is .5 g and molar mass 135.17 g/mol. methyl benzoate= quantity is .55g. and mola..
Mixing cyclohexanol with phosphoric acid is an exothermic process, whereas the production of cyclohexene is endothermic. Construct an energy diagram showing the course of this reaction.
A titration was performed at 25 degrees C and the Ksp of a slighlty soluble salt was determined to be 1.5×10-4. Calculate the standard Gibbs Free Energy of this salt. R = 8.314 J/mol-K
1. a researcher mixed 5.00 ml of 2.03 x 10-1 m feno33 with100.00ml of 2.05 x 10-3 m kscn using 5.0 x 10-1 m hno3
What amount of barium sulfate is produced by reacting 13.2 mL of 0.875 M barium chloride with excess sodium sulfate
For the hydrogen atom, calculate the wavelength of light needed to excite the electron from the fifth energy level to the ninth energy level.
a little girl is celebrating her 7th birthday. each guest is served one large slice of chocolate cake a hamburger
Gold sells for $1120/oz. One ounce is equal to 28.35g. The molar mass of gold is 196.97g/mol. 1 moldovian franc contains 0.567g of gold. If 1 franc = $1.42, how many atoms of gold are presents in 0.010 moldovian francs?
Kc for the reaction below at 25°C is 4.8 x 10-6. Calculate the equilibrium concentration (mol/L) of Cl2(g) if the initial concentration of ICl(g) is 1.33 mol/L. There is no I2 or Cl2 initially present.
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