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Given the following equilibrium constants at 427 °C: Na2O(s) <=> 2Na(l) + 1/2 O2(g) Kc = 2 x 10-25 NaO(g) <=> Na(l) + 1/2 O2(g) Kc = 2 x 10-5 Na2O2(s) <=> 2Na(l) + O2(g) Kc = 5 x 10-29 NaO2(s) <=> Na(l) + O2(g) Kc = 3 x 10-14 Determine the value for the equilibrium constant for 2NaO(g) <=> Na2O2(s)
NaOH is a strong electrolyte and CH3-OH is a nonelectrolyte. how does their dissociation in water differ
If 500ml of a solution containing 1.00g of barium nitrate (199.33 g/mol) is combined with 500 ml of a soluiton containing 1.00g of sodium sulfate
The molar volume of Al2O3 at 25°C and 1 atm is 25.715 cc/mole. Its coefficient of thermal expansion is 26·10-6 K-1 and the coefficient of compressibility is 8.0·10-7 atm. Estimate the molar volume of Al2O3 at 400°C and 10 kilobars pressure.
the temperature of a gas in a sealed, rigid, insulated container, what happens to the density of the gas?
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
A 9.1 g sample of C6H5NH3Cl is dissolved in water to make 346 mL of solution. Determine the percentage deprotonation of the cation.
Classify each of the following as a binary ionic compound, ternary ionic compound, binary molecular compound, or ternary oxyacid. 1.) Hydrazine, N2H4 2.) Nitrous Acid, HN02(aq) 3.) Cobalt(II) Nitride, Co3N2 4.) Sodium Nitride, NaNO2
Draw two molecules that are diastereomers and calculate the energy of each. Then draw two molecules that are enantiomers and calculate the energy of each.
What is the final concentration (in M) of 18.5 mL sodium chloride solution with an initial concentration of 1.78 M which is diluted with 15 mL of solvent? Assume the volumes are additive.
Calculate the pH during the titration of 30.00 ml of 0.1000 M KOH with 0.1000 M HBr solution after the following additions of acid.
Determine the freezing point (°C) of a 0.015 molal aqueous solution of MgSO4. Assume i = 2.0 for MgSO4. The molal freezing-point-depression constant of water is 1.86 °C/m..
a weather ballon filled with helium has a volume of 1.0*10^-4L at 1.00 atm and 30.0C. it ascends to an altitude at which the pressure is only 0.60 atm and the temperature is -20.0C. what is the volume of the ballon at the higher altituda.
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