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As a side?reaction, organometallic reagents can react with atmospheric CO2 to produce metal carboxylates while the CaCl2 drying tube cannot prevent the incursion of CO2. Explain why this side?reaction is not expected to be problematic in this experiment
can you write the oxidation reduction reaction for a solution of potassium dichromate added to an acidified solution
The PH of a solution prepared by dissolving 0.30 mole of the weak acid, HA, in enough water to make 1 liter of solution is 6.1. Calculate the Ka and the percent ionization of the HA solution.
What is the change in the cell voltage on decreasing the ion concentrations in the anode compartment by a factor of 10. What is the change in the cell voltage on decreasing the ion concentrations in the cathode compartment by a factor of 10
Match the quantum numbers with the corresponding shell and subshell or invalid if the quantum numbers are not a valid set.
Dissolving 3g of an impure sample of CaCO3 in HCl produces .656 L of CO2, measured at 293 K and 1.04 atm. What is the percent by mass of the CaCO3 in the sample?
what is steam distillation and why is it a preferred technique to purify high boiling liquids that are water-insoluble
what type of electronic probe could be used to determine the pressure inside the
How many moles of Na and Cl2 are needed to make 7.3 moles of NaCl? Use the balanced equation 2Na + Cl2 --> 2NaCl
Using the dumas method, you find that a sample weighing 71.6mg gives 3.84mL of nitrogen gas at 23 deg.celcius and 785 mmHg. What is the volume of nitrogen at STP?
What would be the resulting molarity of a solution made by dissolving 21.9 grams of KCl in enough water to make an 869-milliliter solution?
What are the concentrations of all of the following ions at the equivalecne point: Na+, H3O+, OH-, and C5H5CO2-. What is the pH of the solution at the equivalence point
At 40 degrees celsius the vapor pressure of methyl alcohol is 254 mmHg and at the same temperature the vapor pressure of ethyl alcohol is 135 mmHg.
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