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Based on the Ksp values of CuS, PbS, MnS and HgS, which the the following ion pair will be the easiest to separete by fractional precipitation?
a. Mn2+ and Pb2+b. Mn2+ and Hg2+c. Cu2+ and Pb2+d. Cu2+ and Hg2+
chemical potential energy from rotating turbines into thermal energy. B) electrostatic energy from rotating turbines into chemical energy
What is the pH of the solution created by combining 2.00 mL of the 0.10 M base with 8.00 mL of the 0.10 M acid
Which compound is most likely to dissociate and give O2(g) at 25?C?
A 2.50-L container is filled with 187 g argon. If the pressure is 10.0 atm, what is the temperature?
4-chloro-1,4-dimethylhexanol is treated with heat, please show products
Draw the Lewis structure for each of the following molecules or ions, and predict their electron-domain and molecular geometries.
How many liters of N2 (at STP) form when 1.0 kg of N2H4 react with 1.0 kg of O2?
How much heat energy, in kilojoules, is required to convert 65.0g of ice at 18.0 degrees celcius to water at 25.0 degrees celcius.
Write out a complete reaction mechanism for the synthesis of the 1,2-diphenyl-1,2-ethanediol acetal from 1,2-diphenyl-1,2-ethanediol and 2,2-dimethoxypropane in the presence of acid
A reaction initially contains 0.1 moles of H2(g) and I2(g) in a 1L flask. At equilibrium the final concentration of HI(g) is 0.19M. What is Kp for this reaction.
Consider another expandable balloon is filled with nitrogen gas. The density of the gas is 1.24 g/L and the outside pressure is 1.05 atm. What is the temperature of the gas?
4 HNO3(aq) + Cu(s) => Cu(NO3)2(aq) + 2 H2O(l) + 2 NO2(g) Considering which elements are being oxidized and reduced, determine
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