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briefly explain how you will isolate p-tert-butylphenol after you have extracted it into NaOH solution.
How many grams of steam at 105 degree celcius must be mixed with 25g of ice at -15 degree celcius in an adiabatic calorimeter with a heat capacity of zero in order to produce a final mixture
The equilibrium concentration of I2 is 0.0900M. What is the equilibrium constant, Kc , for the reaction at this temperature?
Compare the numbers you have just calculated with the vapour pressures of water at these temperatures. Can you suggest a reason why the two sets of numbers are so different?
Phosphorus-32 has a half-life of 14.0days . Starting with 4.00 g of 32p , how many grams will remain after 42.0 days?
The volume of the gas is measured 201 mL at .989 atm. compute the number of grams of Na used in the reaction if Vapor pressure of water = 0.0277 atm
What is the cell voltage when the following volumes of 0.640 M NaBr have been added? 1.0 ml, 13.0 ml, 20.6 ml, 21.5ml, 34,5ml, 43.1ml, 47.5ml.
estimate the ratio of their conductivities at room temperature
When you standardized the Sodium thiosulfate, what molarity of Na2S2O3 did you observe for each of your 3 trials.
When 5.00 g of fructose, C6H12O6, (FW 180.16 g/mol) is burned in a calorimeter whose heat capacity is 29.7 kJ/oK, the temperature increases by 2.635oK. Calculate the heat of combustion of fructose in kJ per mole.
1. H2O2(aq) acting as an oxidizing agent in acidic solution. Write the balanced half reaction?
Calculate the percent of a strontium sample left after 100 years. The half-life of strontium-90 is 28.1 years.
Show how many µL of protein sample you will take and add with the desired volume of DTT and Laemmli buffer to make the right concentration of sample.
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