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Problem- Arrange the oxides in each of the following groups in order of increasing basicity- K2O Al2O3, BaO. Explain how you figured this out.
I want you to clarify the chemistry in this above problem
find the contact time for inactivating gardia cysts.how much contact time would be required for inactivating
24.6g of a hydrated salt of MgSO4.XH20, gives 12.0g of anhydrous MgSO4 on heating. What is the value of x?
If a mixture of gases contained 78% nitrogen at a pressure of 984 torr and 22% carbon dioxide at 345 torr, what is the total pressure of the system
Using Henry's Law to calculate gas solubility If air contains 78% N2 by volume, what is the solubility of N2 in water of 25oC and 1 atm (Henry's constant kH for N2 in H2O at 25oC = 7 x 10-4 mol/L.atm)?
A solution is prepared by mixing 100.0 g methanol with 100.0g propanol at 40C. Find the mole fraction of each component in the liquid phase and the gas phase at 40C Equilibrium vapor pressure at this T: 303 torr for CH3OH (methanol) and 44.6 torr ..
An automobile tire at 32.0 psi at 25.0 Celsius is driven on a trip. At the end of the trip the pressure is 35.0 psi. What is the temperature of the tire in degrees Celsius
Calculate [H+], pH, [OH-] and pOH in a solution in which lactic acid, HC3H5O3, concentration is 0.250 M and the lactate ion concentration is 0.125 M.
Ascorbic acid (vitamin C,C6H8O6) is a diprotic acid (ka1=8 x 10-5 and Ka2 = 1.6 x 10-12). Explain what is the pH of a 0.210 M solution of ascorbic acid
Calculate the enthalpy change (in J) when a 4.08 g sample of water at 26.4 °C and 1 atm is frozen to ice at -20.4°C and 1 atm.
Order the following compounds according to their expected lattice energies- LiBr, CaO, MgBr2, AlBr3
Permenant sterility in women occurs at 300.0 rem of exposure. The source radiates with 3540 rem at 500.0 cm.
dinitrogen pentaoxide has 8.24 x10^20 molcules, how many gram of dinitrogen pentaoxide prsent
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