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Problem- Gallium is produced by the electrolysis of a solution obtained by dissolving gallium oxide in concentrated NaOH(aq). Calculate the amount of Ga(s) that can be deposited from a Ga(III) solution by a current of 0.350 A that flows for 60.0 min.
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Although the yield of methamphetamine is good, some unreacted phenyl-2-propanone remains after the reaction is complete. Describe how methamphetamine can be separated from phenyl-2-propanone.
What volume of 0.0500 M NaOH must be added to remove the first acidic hydrogen from each aspartic acid molecule (i.e., to reach the first equivalence point)
what is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid hno3 in a solution with a total
You prepare a suspension by dispersing 20.0 g solid compound with the aqueous dispersant (outer phase of the suspension) to a final volume of 100.0 ml. The dispersant contains 10% w/v glycerol and 0.5% w/v polysorbate 80. The density of the solid ..
The solubility of air in water is approximately 2.1 x 10^-3 M at 20 degrees C and 1.0 atm. Calculate the Henry's lay constant for air. Also, is the K(H) value of air approximately equal to the sum of the K(H) values of N2 and O2 because these two ..
Indicicate the coordinaiton number of the metal and oxidation number of the metal as well as the number and type of each donor atom of the ligands for the folloing complexes:
Suppose that ammonia decomposes at 600 Kelvin to establish equilibrium NH3 1/2N2(g)+3/2H2 for which K=0.395. You have a box volume of 1.00 liter into which you inject 2.65 grams of NH3 at 600K. What will be the final concentrations of NH3,N2, and..
A certain indicator, HA, has a Ka value of 0.000040. The protonated form of the indicator is red and the ionized form is blue. What is the pKa of the indicator
In a coffee-cup calorimeter, 1.50 g of NH4NO3 is mixed with 76.0 g of water at an initial temperature of 25.00°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.65°C.
Which of the following is not involved in signal transduction by the b -adrenergic receptor pathway. Which of the following is not involved in signal transduction by the b -adrenergic receptor pathway
An inventor is selling stock in a company to produce as well as market a device which he claims can be plugged into an electrical outlet, as well as then produce more mechanical work than the electrical energy than the device consumes.
When a piece of metal is irradiated with UV radiation (lambda = 162 nm), electrons are ejected with a kinetic energy of 5.46 x 10^-19 J. What is the work function of the metal
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