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The moment of inertia of an H20 molecule about an axis bisecting the HOH angle is 1.91 x 10^-47 kg*m^2. Its minimum angular momentum about that axis is h. In classical terms, how many revolutions per second do the H atoms make about the axis when in that state?
What is the relationship between coordination number, packing, and density (as mass/volume). How do the two more efficient forms of packing compare regarding volume.
The radius of a uranium atom is 149 pm. How many uranium atoms would have to be laid side by side to span a distance of 4.55 mm?
A metal crystallizes in a face-centered cubic lattice. The radius of the atom is 128 pm and the density of the element is 8.92 g/cm3. What is the identity of the metal?
Ammonia, NH3, is a stronger ligand than Cl- but weaker than CN-. Complete the balanced equations for the reactions that are predicted to occur
what mass of CH3CO2H is required to prepare 100.00ml of a 0.48M acetic acid solution?
solution is diluted to a total volume of 278 mL. A 139-mL portion of that solution is diluted by adding 155 mL of water. What is the final concentration?
A chemist wishes to prepare 200mL of a saturated solution of BaF2, the concentration of which is 6.3 x 10-3 mol/L. Determine the mass of BaF2 that will be needed to make up the 200mL of the solution.
A 13 gram sample of calcium reacts with bromine to form 24 grams of calcium bromide. How many grams of bromine are used in the reaction?
What is the major role of a greenhouse gas that contributes to temperature rise of the Earth's surface? 1 Stops both incoming sunlight and outgoing infrared radiation
how many grams of ammonium nitrate are necessary to form 0.852 moles water.
If 29.1 mL of 0.4 M NaOH is used to reach the endpoint when titrating 20.1 mL of acetic acid, what is the concentration of the acetic acid in moles/L
Calculate the concentration of bicarbonate ion, HCO3 -, in a 0.010 M H2CO3 solution that has the step wise dissociation constants Ka1 = 4.3 × 10-7 and Ka2 = 5.6 × 10-11.
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