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Two half cells in a galvanic cell consist of one iron Fe solid electrode in a solution of iron II sulphate FeSO4 aq as well as a silver Ag solid electrode in a silver nitrate AgNO3 aq solution.
a) Presume the cell is operating as a galvanic cell state the overall as well as half-cell reactions. Explain what will happen to the mass of the cathode while the cell is operating.
b) Repeat parts a), presuming that the cell is operating as an electrolytic cell.
What is the mechanism for the compound with the starting materials maleic anhydride, THF with curved arrows
Calculate the energy change for the alternative reaction that yields chlorine sodide (Cl+Na-) . 2Na(s) +Cl2 (g) yeilds 2Cl+Na+(s) Assume that the lattice energy for Cl+Na- is the same as that for Na+Cl-
calculate the equilibrium pressure of N2O4(g) and NO2(g). (c) What percentage (by moles) of the original N2O4(g) is dissociated at the new equilibrium position (total pressure = 1.00 atm)?
What proportions of hexane and heptane should be mixed (a) by mole fraction and (b) by mass in order to achieve the greatest entropy of mixing
How many minutes would be required to electroplate 25g of chromium by passing a constant current of 4.80 amperes through a solution containing CrCl3
A pound of coffee beans yields 30 cups of coffee (4 cups = 1 q). How many milliliters of coffee can be obtained from 1 g of coffee beans.
Starting with 3.00 moles of HBr in a 12.0 L reaction vessel, calculate the concentrations of H2, Br2, and HBr at equilibrium.
the rate constant for a particular second-order reaction 0.47 m-1s-1 the initial concentration of reactant 0.25 moll
Suppose that the atomic mass unit (amu) had been defined as one-sixth of the average mass of an atom of sodium instead of one-twelfth of the mass of an atom of carbon-12. What would the average atomic mass of magnesium be on this new scale
One mole of an ideal monatomic gas initially at 300K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of ..
You are given a small piece of gold colored material and want to determine if it is actually gold. Using the Archimedes' Principle, you find that the volume is 0.40 cm3 and the mass is 6.0 g. What conclusions can you reach from your simple density..
A quantity of gas originally held at 4.75 atm pressure in a 1.00 L container at 26 Celsius is transferred to a 12.0 L container at 20 Celsius . A quantity of O2 gas originally at 5.15 atm and 26 Celsius in a 5.10 L container is transferred to this..
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