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-A 0.050mL drop of 6.0 mol/L HCl is added to 1.0L of a 0.10mol/L aqueous silver nitrate solution. Can we expect a precipitate of silver chloride to form? The Ksp for Silver chloide is 1.6×10 -10. Show your calculations.
-Calculate the pOH of a 0.025mol solution of HClO4(aq). (Strong acid)
-At 300 K, 0.045 mol of hydrogen and fluorine are placed in a closed 1.0-L container and allowed to reach equilibrium.H2(g)+F2(g)?2HF(g) Keq =4.3 at 300K . What is the equilibrium concentration of HF (g) ? Please include your ICE table and all calculations
A stream of propane is throttled from 20 bar and 518 K to 0.42 bar. This process is irreversible due to frictional losses at the nozzle.
Question: How will different solutions (acid, neutral, basic) affect the reduction of Mn?
Question- Which atom in each pair has the more exothermic electron affinity. (Consider the stability of the electron configurations of the atom and its anion)
The boiling point of carbon tetrachloride is 76.8 oC. A given solution contains 7.69 g of a nonvolatile nonelectrolyte in 373 g of CCl4. The solution boils at 78.1 oC. What is the gram molecular mass of the solute?
What is the concentration of the first ion at the point when the second begins to precipitate? What percentage of the first ion has been removed?
The vapor pressure of dichloromethane at 0C is 134mmHg. The normal boiling point of dichloromethane is 40C. Calculate its molar heat of vaporization.
The solubility of KNO3 is 155g per 100g of water at 75 degrees C and 38.0g at 25degrees C. What mass in grams of KNO3 will crystalize out of solution if exactly 100g of it's saturated solution at 75 degrees C is cooled to 25 degrees C?
A weather balloon has a volume of 450 L when filled with helium at 45oC to a pressure 0.80 atm. What is the new volume of the balloon in an atmosphere where the pressure
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C.
A mixture of Ar and N2 gases has a density of 1.491 g/L at STP. What is the mole fraction of each gas
By differentiation of the 2s radial wavefunction, show that it has two extrema in its amplitude and locate them.
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C5H12
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