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A 1.0 M solution of a compound with 2 ionizable groups (pKa's=6.2 and 9.5; 100mL total) has a pH of 6.8. If a biochemist adds 60mL of 1.0 M HCL to this solution. Explain what will the pH of the solution change to?
what do you do when you are calculating the empirical and molecular formulas of a compound and the percent composition
Consider the reaction CaCN2 + 3H2O ->CaCO3 + 2NH3 . How much NH3 is produced if 187 g of CaCO3 are produced?
the term vapor pressure almost always means the equilibrium vapor pressure. what pysical arrangement is needed to
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter
Partial pressure of argon = ( ? )atm. Now suppose that 7.00 moles of xenon are added to the vessel without changing the volume or temperature. What is the partial pressure of argon now
Explain which gas has the largest molecules. Explain which gas has the most nearly ideal gas behavior at Standard Temperature and Pressure
Explain the volume of flask E is twice that of flask B. Define what is the partial pressure of Ne relative to the overall pressure when the two flasks are connected together
if .750l of ar at 1.50 atm and 177c and .235l of so2 at 95kpa and 63c are added to a 1.00l flask and the flasks temp is
what pressure would be required for helium at 25C to have the same density as carbon dioxide at 25C and 1.00 atm?
a 2.0l kettle contains 116g of boiler scale caco3. how many times would the kettle have to be compleletly filled with
The initial solution. the point at which 80 mL of the base has been added
Calculate the de Broglie wavelength for each of the following.
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