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To 250 mL of a 0.065 M solution of barium nitrate is added 100 mL of a 0.121 M solution of sulfuric acid. Determine the concentration of aqueous barium ions remaining in the solution after complete precipitation of barium sulfate.
You have 200 moles of nitrogen in a cylinder,(having a weightless,frictionless piston). The initial temperature is 298k. The diameter is 0.5m. and the piston is at a height of 1m.
Estimate the time it will take to flush 99% of the discharge from the lake. Immediately after the spill, the lake, completely mixed, has a pH of 8 and the total molar concentration of nitrogen species (NH3 and NH4+) is 7.1×10-4 mol/L. what is the ..
What is the ratio of the rate of effusion of ammonia, NH(3), to that of hydrogen chloride gas
calculate the concentration of calcium ion (in mg/L -1) in the water (25C). What assumptions are made in carrying out the calculation?
25.0 ml of 0.212 M NaOH ia neutralized by 13.6 ml of an HCl solution. The molarity of the NAOH solution is?
Identify the nuclide produced when americium-241 decays by alpha emission, 241 / 95 Am→ 4 / 2 He + ? Express your answer as an isotope using prescripts.
If 1L of .100M acetic acid is at equilibrium, how will the following change affect the equilibrium concentration of H+. The solution is diluted by a factor of 3.
containing too little oxygen to allow complete combustion of the fuel is called a rich mixture. A high-performance heater that burns propane, C3H8(g), is adjusted so that 100.0 g of O2(g) enters the system for every 100.0 g of propane. Is this mix..
The free energy change of the conversion of tasmainium to bulgarium was - 60 kcal and the enthalpy of the reaction was determined to be - 9.2kcal.
For the following reactions, write the balanced formula equation, complete ionic equation, and net ionic equation. (Use the lowest possible coefficients.
Under these conditions, the half-life of the reaction has been estimated to be 6.4 103 min. What would the half-life be if the initial concentration of NO were 13 ppm?
When the 1-bromobutane is first formed it often has a yellow or brown color, but pure 1-bromobutane is colorless. explain why in your own word please
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