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How many seconds would it take to deposit 0.500 g of Ni metal on an electrode by passing a 3.00 amp current through a solution of Ni2+?
An aqueous KNO3 solution is made by using 84.6g of KNO3 diluted to a total solution volume of 1.43 L. Calculate the molality and mass percent of solution. Assume a density f 1.05g/mL or the solution.
Calculate the freezing point of the following solutions, assuming complete dissociation. Part A= 0.114mK2S Part B=20.5g of CuCl2 in 401g water Part C=6.5% NaNO3 by mass
Show that the balanced equation obeys the law of conservation of mass.
Compute the activation energy for this reaction when The half-lives were found to be 161 min at 199 Celsius and 12.5 min at 230 celsius? The isomerization of methyl isocynide follows first order kinetics.
Use stoichiometry and the balanced reaction below to calculate to moles of NaOH added at the equivalence point from the mass of ammonium chloride used.
A 45.8 mL sample of a 5.8 M KNO3 solution is diluted to 1.00 L. What volume of the diluted solutions contains 15.0 g of potassium nitrate
limiting Reactant Worksheet - What are the two steps in the Experimental Procedures that are incorporated to reduce the loss of the calcium oxalate precipitate. Identify the steps in the procedure and the reason for each step.
Iodine-131 decays to produce xenon-131. Which type of nuclear radiation is emitted in this reaction
Calculate the enthalpy change for the reaction in kJ/mol HCL. For this problem, assume that the calorimeter loses only a negligible quantity of heat, the total volume of the solution is 100 ml, the density of the solution is 1.0 g/ml, and its spec..
calculate acidic and basic buffer capacity. How much of strong acid should be added to shift buffer pH one unit down, and how much of the strong base is needed to bring buffer pH one unit up?
What is the velocity of a hydrogen molecule after absorbing a photon @ 58.4 nm. what is the translational energy of the molecule in J mol-1
The bond in molecular iodine is quite weak, and hot iodine vapor contains a proportion of atoms. When 1.00 g of I2 is heated to 1000 K in a sealed container of volume 1.00 L
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