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The metal rhodium has an FCC crystal structure. If the angle of diffraction for the (311) set of planes occurs at 36.12° (first-order reflection) when monochromatic x-radiation having a wavelength of 0.0711 nm is used, compute (a) the interplanar spacing for this set of planes, and (b) the atomic radius for a rhodium atom.
one hundred grams of water is saturated with NH4CLat 50 degrees C. According to table G, if the temperature is lowered to 10 degrees , what is the total amount of NH4CL that will precipitate?
How does an increase in pressure effect the solubility of a gas in a liquid? A. As pressure increases, gas solubility increases. B. As pressure increases, gas solubility remains the same. C. As pressure increases, gas solubility decreases.
calculate the percentage of empty space in 1 mol of water at 25C. Obtain the density from the experiment " Some Measurements of Mass and Volume." The volume of a molecule of water can be taken as the sum of the volumes of the two hydrogen atoms.
1.0678g of a standard iron(ii) ammonium sulfate, (NH4)2Fe(SO4)2. 6H202 requires 35.50mL of permanganate solution for titration. calculate the molary of the permanganate solution.
The absorbance of a solution of NiCL2 Of unknown concentration is found to be 0.388. What is the concentration of this solution?
what is the color of cocl2 (aq) solution at boiling water temperature? And in which direction did the equilibrium shift upon
A certain substance has a heat of vaporization of 74.45 kJ/mol. At what Kelvin temperature will the vapor pressure be 6.50 times higher than it was at 287 K
Consider the titration of 25.0 mL of 0.0500 M HClO4 (perchloric acid, a strong acid) with 0.100 M KOH (a strong base). (a) Find the volume require o reach the equivalence point (complete the reaction). Find the pH after adding the following volume..
it was found that 19.31 ml of an hcl solution are needed to react completely with 322 ml of a lioh solution that has a
Fundamentals of chemistry - The conditions under which gases behave most ideally and Under the Bronsted?Lowry definition a base
Sterling Silver is 92.5% silver by mass. How many lbs of silver are there is a 45.0 Mg piece of sterling silver?
How could you tell whether the white crystals you have are sodium chloride NaCl or sodium Iodide NaI. what precipitate color is resulted from NaCl and AgNo3
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