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Which of the following is an experimental fact that valence bond theory cannot explain, but molecular orbital theory can?
How do you who that both ZnS and CuS will precipitate at pH8. 2) Show that only CuS will precipitate when (H3O+) = 0.3M
the compound x2y has a molar mass of 110.27 gmol. the ratio of xy by mass in the compound is 2.44 1. what is the
Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)
Calculate the solubility of Ba(IO3)2 in a solution containing 200 mL of .010M Ba(NO3)2 and 100 mL of .10M NaIO3. Ksp Ba(IO3)2 = 1.57 x 10^-9
-13 degrees C air pressure in an auto tire is 1.5 atm. if the volume does not change, what is the pressure after the tire has warmed to 15 degrees C?
derive Raoul's law using the chemical potentials of the constituents that make up the mixture of the solution.
Explain how to determine exclusion limit of a gel of unknown origin.
The label on an aerosol spray can contains a warning that the can should not be heated to over 130°F because of the danger of explosion due to the pressure increase as it is heated.
We add excess Na2CrO4 solution to 16.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.380 grams.
consider the following. this process would result in the formation of (a) a positive ion and negative ion (b) two neutral species (c) two radicals (d) two negative ions (e) a positive ion and a neutral species
Background: Lake Lianna is fed by two rivers, the Matthew and the Andrew. You have made careful water chemistry measurements throughout the year and found that the two rivers have the following pH and alkalinity
If 2.93*10^4 liters of water are required to dissolve 1g of calcium phosphate, and the solubility of calcium phosphate is 3.41*10^-5 g/l. what is the solubility of calcium phosphate in parts per million?
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