Calculate the amount of 0018 m kmno4 solution required to
Calculate the amount of 0.018 M KMnO4 solution required to completely oxidize 39.69 ml of .100 M FeSO4 in an acidic solution according to the following equation.
MnO4- + 8 H+ + 5 Fe2+ --> 5 Fe3+ + Mn2+ + 4 H2O
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What is the purpose of a hot filtration in a recrystallization. When would a hot filtration step not be necessary or useful in a purification by recrystallization? What experimental observation of the hot solution would let you know that it was no
Three charges are to be placed as follows: q1: 10.00 µC at (0.00,0.00) q2: -25.00 µC at (4.00,0.00) and q3: -2.00 µC at (0.00,-3.00), Calculate the electric potential energy of the group of three charges
Assume you have predicted the following returns for Stock A and B in four possible states of the economy. What is the expected return of each stock? Calculate the variance and standard deviation for Stocks A and B.
A Carnot-efficiency engine operating between a reservoir of liquid mercury at its melting point, What is the temperature of the colder reservoir
Calculate the amount of 0.018 M KMnO4 solution required to completely oxidize 39.69 ml of .100 M FeSO4 in an acidic solution according to the following equation
Supply and Demand. The economic times in which we live are fascinating for a number of reasons. We have recently seen a recession, heard talk of a "recovery", and lately seen gasoline prices change.
A system has a heat source supplying heat at a rate of 187 W, At what rate is the internal energy of the system changing
If the firm had a pronounced seadonal sales pattern or if it grew rapidly during the year how might that affect the validity of your ration analysis? How might you correct for such potential problems?
If you used 20 mL of solvent for recrystallization, how much B would be expected to be in the crystallized material. What is the ration of A:B in the crystalized material
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