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Calculate the molarity of the hydroxide ions in a solution that has been prepared by dissolving 88.7 g of barium hydroxide (Ba(OH)2) in water and diluting the solution to a final volume of 3.00 L. (M.W's: Ba 137.3 g/mol., O 16.0 g/mol, and H 1.0 g/mol)
In the first 12.0 s of the reaction, 1.8×10-2 moles of O2 is produced in a reaction vessel with a volume of 0.260 L. What is the average rate of the reaction over this time interval?
The energy required to break a single carbon-carbon bond is 348 kJ/mol. Calculate the minimum wavelength of light needed to break the C-C bond. Could UV lamps be used to break the C-C bond?
What is the molarity of a solution of silver perchlorate, AgClO4, if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ?
What is the pH of a solution that mixes 30mL of 0.01M CH3COOH with 30mL 0.0075M NaCH3CO2? (Assume the volumes are additive
Please explain, in deatail, how you would go about experimentaly determining the mechanism of the following reaction
Calculate the freezing point and boiling point of the solution. Kf benzene = 5.12 C/m Kb = 2.53 C/m
Find the pH of a 0.15 M solution of ammonia, NH3. Kb = 1.8*10^-5
Calculate how much heat is required to added or removed to convert 100.0 g of steam at 115 0C to liquid water at 65 0C?
What minimum mass of succimer (C4H6O4S2) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 25 , that total blood volume is 5.0 L , and that one mole of succimer binds one mole of lead.
Calculate the volume of air at 26 degrees Celsius and 0.92 atmosphere that is needed to burn completely 11.47 grams of pentane.
calculate the PH at the points in the titration of 20.00 ml of 0.318M NH3 when, a) 10.00 ml and 15.00 ml of 0.475 M HCl have been added.
What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
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