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Mercuric sulfide HgS is one of the least soluble salts known, with Ksp=1.6x10^-54 at 25 C. Calculate both the molar solubility and the solubility of HgS
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.066 moles of sulfuric acid is mixed with water to make 192 mililiter of solution, what is the molarity of H+?
The state function to describe a particle on a sphere is given as Ψ=2sin^2(?)+cos?(θ).calculate the expectation value of its angular momentum about the z-axis, energy and the square of the total angular momentum L^2.
What is the pH of a buffer solution made with 20 g of acetic acid and 30 g of sodium acetate in 450 mL of water? (Ka = 1.8 x 10-5). If concentrated HCl is added, will the pH increase or decrease?
Benzyl ethyl ether reacts with concentrated aqueous HI to form two initial organic products (A and B).
If a 189-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft 1.0 ft, what is the average thickness of the sheet in meters?
the dimensions of aluminum foil in a box for sale in supermarkets are 66^2/3 yards by 12 inches. The mass of the foil is 0.83 kg.
Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.
Why does the same amount of liquid when left in a wider and flatter container evaporate quicker than when left in a narrower and deeper container?
Reaction 1 uses 0.260 of reactant, and Reaction 2 uses 0.590 of reactant. How many times faster is Reaction 2 compared to Reaction 1.
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
5 ml of 0.05 M CuSO4 solution was mixed with 5 ml of 3 M NH3 solution.Calculate [Cu2+] in equilibrium with Cu(NH3)4^2+. Experimentally the cell potential was found to be 0.387
Calculate the final temperature when a 22.0 gram sample of ice at 0oC is placed into a styrofoam cup containing 113 grams of water at 77.1 oC. Assume that there is no loss or gain of heat from the surroundings.
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