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Utilizing the standard half cell potentials listed below to Compute the standard cell potential for the following reaction occurring in an electrochemical cell at 25 degress 2k(s) + I2(s) yields 2K+(aq) + 2I-(aq)
k+ (aq) =e- yields K(s) Eo= -2.93VI2(s) +2 e- yields 2I(aq) Eo= +0.54
A sample of neon effuses from a container in 77 seconds. The same amount of an unknown noble gas requires 157 seconds. identify the gas.
consider a refrigerator that keeps its contents at 9 degrees fahrenheit when the house temperature is 73 degrees
One mole of N2, one mole of O2, and 0.5 mol of H2 are at 25 oC and 1 atm. The final total pressure of the mixture is 1 atm. Calculate delta_S on forming the mixture.
Calculate the height of a column of methanol that would be supported by atmospheric pressure. The density of methane is .787 g/cm^3.
Given the values of So given below in J/mol K, calculate the value of DSo in J/K for the combustion of 1 mole of ethane to form carbon dioxide and liquid water.
explain why the vitamin tablet is crushed before titrating with the iodate titrant.
If you wanted to prepare a solution of CO in water at 25C in which the CO concentration was 1.8 mM, what pressure of CO would you need to use
You have a 1.0 mL sample of unknown concentration that requires 8.0 mL of titrant to change the color of the solution. How many mg of ascorbic acid are in your unknown sample
hydrogen and oxygen gas combine explosively to produce water. write a balanced chemical equation for this process. if
A gas cylinder contains a mixture of He and Ne at STP. Which of the following quantities would have the largest magnitude. Root mean square speed of He
Explain which of the subsequent species are capable of hydrogen bonding among themselves
already have a solution that contains 10 mmol of acetic acid. how many millimoles of acetate will you need to add to this solution? the pKa of acetic acid is 4.74
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