Calculate the time (minutes) required for a constant current of 0.750 A to deposit 0.270 g of cobalt (II) as the element on the cathode. Assume 100% current efficiency for both cases. constant F = 96485 C/mol e- ,  atomic weight:  cobalt=58.93 g/mol and oxygen=16.00 g/mol

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Q: quantum numbers and orbital notation. Explain why these are impossible. a. n=4, =2, m²-3, m,=-½ b.…

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Q: how many moles of CH4 are in a 100 L container at 8.5 atm and 750 K ?  R= 0.08206 Latm/ molK

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A: Molarity of Ca(OH)2 = 0.209 M Volume of HCl = 25.00 ml Volume of Ca(OH)2= 15.93 ml

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A: Given -> Concentration of butanoic acid = 0.46 mM = 0.00046M (1 M = 1000 mM)

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A: a) in Fe(NO2)64- , unpaired electrons = 0 and in Fe(OH)64-, unpaired electrons = 4

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Q: 0.336 M CH3NH3Br and 0.344 M CH3NH2 (methylamine). Determine the pH change when 0.078 mol NaOH is…

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A: Concentration = 0.130 M Ka = 0.15

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A: Percent of dissociation of acetic acid can be calculated as follows

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A: Weight of tin(2)fluoride =50 gram Weight of sodium phosphate = 50.0 gm

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Q: Using the standard enthalpies of formation, what is the standard enthalpy of reaction? CO(g) +…

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Q: According the the Law of Conservation of Mass, if 5 g of reactant A react with 5.4 g of reactant B,…

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