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Assuming that the total volume of the solution does not change after 12.0 moles of HCl are added to 1.0 L of a solution containing 1.0 mole of Hg2+ ion, calculate the equilibrium concentration of Hg2+ in the solution Hg2+ + 4CL- [HgCl4]2-, Kf = 1.2 x 1015.
When 35.0 g of an unknown nonelectrolyte is dissolved in 220.0 g of benzene, the solution boils at 83.2°C. Calculate the molecular weight of the unknown nonelectrolyte. The Kb for benzene = 2.53°C/m. The boiling point of pure benzene is 80.1°C.
A vertical force of 7 N (in the negative z direction) is required to hold the deflector in place. Determine the mass (kg) of the deflector. Assume the velocity of the water remains constant.
Peaks that appear to the right of 3000 cm-1 in an IR spectrum are characteristic for which stretching vibration
a photon has a wavelength of 741nm calculate the energy of the photon in joules
The air in a laboratory was measured with a barometer to be 7.40 x 102 mm Hg. What is the laboratory air pressure in atm?
If there are initially 7.21 grams of the compound dissolved in 110.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ether?
What is the complete and balanced equation for and please let me know if in any of them there is no reaction. KCl+PbCH3COO? CrBr2+AgNO3? NaOH+FeCl3
How many faradays of electricity are required to produce 0.84L of O2 at exactly 1 atm and 25 degrees Celcius from aqueous H2SO4
How many liters of CO2 will be produced with the complete combustion of of methane (CH4) with 4.3L of oxygen?
Consider the reaction. N2(g) + O2(g) --> 2NO(g) How many moles of NO are obtained when 0.029 mol of N2 is completely reacted
Given the following substances and their melting points, hydrogen, -259 degrees Celsius, ethyl alcohol, -114 degrees Celsius, water, 0 degrees Celsius, sucrose, 186 degrees Celsius, and calcium chloride, 772 degrees Celsius
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 67 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 24 s for 1.0 L of O2 gas to effu..
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