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Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
What mass (in g) of iron is needed to evolve 730.5 kJ of heat under standard conditions as it forms iron(III) oxide
When using paper chromatography to separate components of a mixture, the manual suggests that water is wicked through the paper.
Construct quantum mechanical operators for the two observables: a. The inverse seperation, 1/x and b. the electric dipole moment in one dimension
For the molecule shown below, choose all the statements that are true. Soluble is where at least 10 drops of the compound can be added to a particular solvent (in this case, water or hexane-- CH3CH2CH2CH2CH2CH3) and the result is one homogeneous l..
What is the temperature change of the water if the downstream diameter is 3.8 cm? If it is 7.5 cm? What is the maximum temperature change for an enlargement in the pipe?
Determine the concentration of the sodium hydroxide solution? Considering this balanced equation given as :
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
A rock contains 0.42 mg of Pb-206 and 0.53 mg of U-238. Approximately how many U-238 atoms were in the rock when it was formed billions of years ago? (The half life for 238U-->206Pb is 4.5x10^9 yr.
Provide three balanced chemical equations that will precipitate Pb2+ from a solution. Exclude substances containing chloride or chromate ions
Will a precipitate of Cu(OH)2 form when 18.00 mL of 0.010 M NaOH is added to 1.000 L of 0.010 M CuCl2
According to the Henderson-Hasselbalch equation shown below, what equilibrium is established for the given acid/base reaction if pH = pKa - 2
A sample of neon is collected at 2.7 atm and 12.0 oC. It has a volume of 2.25 L. What would be the volume of this gas at STP?
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