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How do you find the value of Ka for NaHSO4 if you are given the concentration of H+ and the initial molar concentration of NaHSO4?
Why does Li have a larger first ionization energy than Na? The difference between the third and fourth ionization energies of scandium is much larger than the difference between the third and fourth ionization energies of titanium.Why?
one kg of methane is contained in a pistoncylinder device at 0.8 mpa and 250 c. it undergoes a reversible isothermal
is added to the flask so that the total volume of solid and liquid together is 54.00 . The solid and toluene together weigh 58.58 . The density of toluene at the temperature of the experiment is 0.864
For each species listed, indicate the hybrid orbital set (sp2, sp3d, etc) employed by the central atom
A mole of sodium hydroxide has a mass of 40 g. In order to prepare a .1M solution, how many grams of sodium hydroxide must be added to 500 mL of water
If the solution has the same density and specific heat as water, what is ?H for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes. Find kJ/mol of H20
If 153 mL of wet H2 is collected over water at 24°C and a barometric pressure of 725 torr, how many grams of Zn have been consumed
E-Commerce for a Small Supermarket. Pretend you are a consultant helping Matt and Grace. Describe in an essay the tasks their project will entail.
Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming of natural gas, in a two-step process.
Complete and balance the equation for this reaction in basic solution. Phases are optional. MnO2 + Fe3+ --> MnO4^- + Fe2+
The solubility of AlF3 is 6.7 g AlF3 per liter of solution. The density of a saturated AlF3 solution is 1.0 g/mL. The Ksp of AlF3 is
With respect to the Cooper pair model, explain why increasing temperature reduces the effectiveness of low-temperature superconductors
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