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A voltaic cell consists of an Al/Al3+ half-cell and a Ag/Ag+ half-cell. Calculate Ecell when [Ag+] = 0.00665 M and [Al3+] = 0.6273 M. You should use the reduction potentials for Al3+ is -1.66 V and for Ag+ is 0.80 V.
Calculate the force of attraction (in N) between a cation with a valence of +2 and an anion with a valence of -2
The best means of personal protection from radiation for emergency responders is the implementation of three basic principles: time, distance and shielding. Please show your work when answering the following questions.
Identify the compounds present in the mixture and determine the percent by mass of each in the original sample. 1 Identity and % (wt/wt)= 2 Identity and % (wt/wt)=
Calculate the molar mass of the unknown gas. Remember that the faster the rate of effusion, the shorter the time required for effusion; that is, rate and time are inversely proportional.
Assuming that the total pressure of the gases is 1.52 and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each gas.
what will the volume of the sample become if 459 ml of an ideal gas at 27 degrees of carbon and 1.05 atm is cooled to
The enthalpy of activation of a first order reaction is 123kj/mol. The rate constant at 80 C is 1.73x10^-2 s^-1. What is the rate constant at 35 C. (R=8.31 j/mol K
What is the molar solubility of PbI2 in water. For PbI2, Ksp=7.9x10-9. You may assume that the ions do not form ion pairs in solution.
What proportions of benzene and ethylbenzene should be mixed (a) by mole fraction (b) by mass in order to achieve the greatest entropy of mixing
Why two different proteins that are both 1500 amino acids long would travel together through the polyacrylamide gel in a single band containing both of the two different proteins.
what is the maximum mass of CO2 that can be produced from the combustion of .377g C2H5OH
what are the industrial uses of iodine
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