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Regard as two cells the first with Al and Ag electrodes and the second with Zn and Ni electrodes each in appropriate 1.00M solutions of their ions.
a) If connected as voltaic cells in series which two metals are plated as well as what is the total potential?
b) If connected such that one cell acts as a battery to power the other as an electrolytic cell, explain which two metals are plated and what is the total potential?
c) If 3.00g of metal is plated in the voltaic cell explain how much metal is plated in the electrolytic cell?
The iron content of a municipal water supply was determined by an atomic absorption procedure. The absorbance of the water, after a five-fold dilution, was 0.646 at 248.3 nm. A standard solution
proportional only to the numbers of hydrogens that give each product when substituted for by chlorine. What would be the relative yield of each product?
Calculate the maximum %recovery, assuming a 15.0ml recrystallizing solution is filterd at 10 degree celcius. The solubility in water is 0.040 grams per 100 ml at 10 degree celcius.
determine the enthalpy change if the heat released when 24.9 grams of potassium k reacts with excess h2o water is 124
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 5.90 MJ of energy (in the form of heat) if the temperature of the sodium is not increase by more than 10.0 degrees Celsius
What types of intermolecular forces would you expect to exist among molecules of 1-butanol?
Calculate the change in temperature for 1.30 g of CaCl2 dissolved in 25.0mL of H2O. Assume that the calorimeter absorbs no heat.
How many hours are required for 0.100 mol of electrons to flow through a circuit if the current is 1.00 A
Calculate the theoretical pH of the solution when beginning with 10.00 mL of 0.200 M HCl and dilute it to 50.00 mL with distilled water.
The specific heat cacpacity of solid copper metal is 0.385/Jg-K. How many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0 0C to 77.5 0C
compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
Two volatile liquids (A and B) form an ideal mixture at 300.0K which just begins to boil at a pressure of 0.3000 atm. The vapor pressure of pure component A is 0.5000 atm and the vapor pressure of pure component B is 0.2000 atm
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