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Question- The Ksp for barium chromate is 1.2 x 10^-10. Will barium chromate precipitate upon mixing 10 mL of 1 x 10^-5 M barium nitrate solution with 10 mL of 1 x 10^-3 M potassium chromate.
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When an interfering substance M is present, a fluoride ion selective electrode obeys the following modified response equation
Determine the binding energy of an O-16 nucleus. The O-16 nucleus has a mass of 15.9905 amu, A proton has a mass of 1.00728 amu, a neutron has a mass of 1.008665amu, and 1amu is equivalent to 931 MeV of energy.
Bromine has P vap= 400mm at 41.0 Celsius and a normal boiling point of 331.9K. Explain what is the heat of delta H vap of bromine in kilojoules per mole. In P2/P1=- delta H vap/R ( 1/T2- 1/T1)
Draw the organic product formed when the structure shown below undergoes
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A metal M forms an oxide with the formula M(sub2)O. (2atoms of M, 1 atom Oxygen) for which the mass % of the metal is 88.8%. a. Explain what is the molar mass of the metal. b. State the name of the compound.
If a temperature increase from 11.0 C to 22.0 C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction
the half life of an isotope is 3.15 x 104 years. how many hours will it take for a 4.92 g sample to decay until 1.81 g
question a large sport utility vehicle has a mass of 2700 kg.calculate the mass of co2 emitted into the atmosphere upon
Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is radioactive, with a half-life of 28.1 yr. Calculate how long it will take for 0.600 g of the isotope to be reduced to 0.310 g by decay.
A NaCl solution contains 20.0% NaCl by mass and has a density of 1.15 g/mL. The molarity of the solution is: (hint: assume 1000. g of this solution)
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