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The density of a certain metal is 3.594 g/cm3 and the metal atom radius is 217.3 pm. If the metal crystallizes in a body-centered cubic structure, which choice is closest to the atomic mass?
When you burn methane, it unites with oxygen to form carbon dioxide and water. Write an equation to balance the reactants and products of this reaction.
Determine the shortest frequency of light required to remove an electron from a sample of Ti metal, if the binding energy of titanium is 3.14 x 103 kJ/mol.
What is the mass of sodium ion circulating in the blood if the concentration of sodium ion in this individual is 0.135M.The average adult has a total blood volume of 5 liter.
How many grams of magnesium metal will react completely with 4.8 liters of 5.0 M HCl?
A 355 m-L container holds .146 g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 626 mmHg. Calculate the moles of Ar present.
What are the concentrations of HSO4- and SO42-, respectively for a 0.0050 M sulfuric acid solution
While 5.0 g of an unknown substance is dissolved in 100.0 g of water, the freezing point of the solution reduces by 1.5 degrees Celsius. Explain what is the molar mass of the unknown substance if the compound doesn't dissociate to form ions in sol..
naturally occuring copper contains a miture of 69.09% copper-63 (62.9298 amu) and 30.91% copper-65 (64.9278 amu)
In the following reaction, what mass of mercury(II) oxide, HgO, would be required to produce 473 L of oxygen, O2, measured at STP
The following reaction occurs and equilibrium is established: A+2B-->C At equilibrium, [A] = 0.540M and [C] = 0.660M. Calculate the value of the equilibrium constant, Kc.
Calculate what mass of solid potassium monohydrogen phosphate should be dissolved in this solution to yield the required buffer
Write the structure of a different product that could have been formed if you used ethanol containing substantial amount of water instead of the absolute ethanol
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