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The electroplating process used by Consolidated Metal is designed to galvanize 200 washers per batch with each washer having an average 0.35g Zn coating. If Consolidated uses an electrical current of 175 amperes(A), how many hours will it take to produce the 250,000 washers required by the government contract?
Information;
1A current = 1 coulomb(C) charge/s
1 mol electrons / 96,485C
2 mol electrons / 1mol Zn
Nuclear reactions is expressed in given reaction as 2/1H +2 /1H→3/2He + ? ; 233/92U+1/0n→133/51Sb+98/41Nb+?1/0n
Draw structural formulas for the alkoxide ion and the alkyl(aryl)bromide that may be used in a Williamson synthesis of the ether shown. ch3-0-chch3 with a ch3 off of the second carbon from the right Draw both structures in the single sketchpad.
Metallic aluminum reacts with MnO_2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Al.
A mixture of 0.150 moles of C is reacted with 0.117 moles of O2 in a sealed, 10 L vessel at 500 K, producing a mixture of CO and CO2
The temperature of the calorimeter rose from 25C to 33.73C. If the heat capacity of the calorimeter was 9,630 J/C, what is the value of delta H for the combustion reaction in KJ/mol.
calculate the theorretical yield of aspirin if 1.05 g of salicyclic acid is combined with 2.0 mil of acetic anhydride.
What is the hydronium ion concentration of a 0.20 M solution of an acid with a Ka
Also, give an estimate the pl of this tetrapeptide (you may assume the pKa of any acidic R group is 4, the pKa of any basic R group is 11.5, and the pKa of the alpha-COOH is 2, and the alpha-NH3 is 9.5).
How about for a solution of nitric acid (which has pKa of -1.4) Do the calculation for a formal concentration. of 1M and for the formal concentration of 0.1M.
the density of phosphorus vapour at 310 degrees celcius and 75 mmHg is 2.64 g/L. What is the molecular formula of the phosphorous under these conditions?
Include activity coefficients in your solubility-product expression. The Ksp of Hg2I2 is 4.6× 10-29.
The concentration of carbon in a carbon-metal alloy is found to be 4.73x10^1 kg/m3. It is also known that the concentration of carbon in wt% in the alloy is 1.318x10^0 .
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