Find solubility product constant for ba co at temperature
At a certain temperature, a volume of 100 mL of saturated barium carbonate solution contains 0.00216 g of BaCO3 (MW=197.3 g/mol). What is the solubility product constant for Ba CO3 at that temperature?
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A mass of 1.50 g H2O is sealed in an evacuated 3.0-L flask and heated to 55 .C. What mass of liquid water remains in the flask when equilibrium is established? The equilibrium vapor pressure of water at 55 .C is 118 mm Hg?
A mixture of butene and butane burn in the air to give CO2 and H2O.suppose u burn 2.86g of the mixture and obtain 8.80g of CO2 and 4.14g of H2O.What is the mass percentages of butane and butene in the mixture?
Gold has a face-centered unit cell and its density is 19.32 g/cm3 . Calculate the radius of a gold atom?
A fighter plane flying at constant speed 480 m/s and constant altitude 8200 m makes a turn of curvature radius 10000 m. On the ground, the plane's pilot weighs (80 kg) (9.8 m/s2) = 784 N. What is his/her apparent weight during the plane's turn?
)Benzene, C6H6, is an organic liquid that freezes at 5.5 C. How much energy as heat is evolved when 15.5 g of benzene freezes at 5.5 C? The enthalpy of fusion is 9.95 kJ/mol.
X-rays with a wavelength of 1.16 AA scatter at an angle of 26.0 degrees from a crystal. If n = 1, what is the distance between planes of atoms in the crystal that give rise to this scattering?
he shot leaves the hand at a height of 2.110 m and at an angle of 33.60°, and it lands at a horizontal distance of 14.00 m. What is the magnitude of the athlete's average force on the shot during the acceleration phase? (Hint: Treat the motion
What is the molarity of a nitric acid solution if 43.53 mL 0.1000 M KOH solution is needed to neutralize 20.00 mL of the acid solution?
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