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Simple Cubic Packing when r+ MnO has either NaCl type structure or the CsCl type structure. The edge length of the MnO unit cell is 4.47 x 10-8 cm and the density of MnO is 5.28 g/cm3. A) Does MnO crystallize in the NaCl or the CsCl type structure? B) Assume the ionic radius of oxygen is 140. pm, estimate the ionic radius of manganese c) Does the calculated cation-to-anion radius ratio for MnO substantiate your answer to part (b)? A) Calculate density based on unit cell and compare with experimental value FCC Volume of unit cell =a3 = (4.47 x 10-8 cm)3 = 8.93 x 10-23 cm3.
Presuming the same temperature and initial concentrations for the subsequent comparisons, se a plot of enthalpy versus reaction pathway for reactants going through products to briefly illustrate and justify the following.
question 1 when 2.50 g of copper cu reacts with oxygen the copper oxide product has a mass of 2.81g what is the
Determine after how many days will one-sixteenth of a given amount of radon-222 remain and Determine the values of Delta E and Delta H for the system?
Problem- Write the ion-product expression at equilibrium for each compounds (a) Calcium sulfate. (b) Chromium (III) carbonate (c) Magnesium hydroxide (d) Arsenic sulfide.
At the N-terminal end of the peptide chain. B) At the C-terminal end of the peptide chain. C) On the exterior surface of the folded protein.
Depict all forms of histidine at pH 6.5 present at a level of at least 10% of the total possible forms.
Out of what will you construct your calorimeters? please answers have to be related to chemistry and specifically to this experiment.
the solubility of co2 in water at 25 degree celsius and 1 atm is 0.034 moll. what is its solubility at a partial
What is the initial (before any reaction takes place) lead nitrate concentration when 4.0 mL of 0.034 M lead nitrate is added to 11 mL of 0.0052 M sodium chloride
When ethane (C2H6) reacts with chlorine (Cl2) the main product is C2H5Cl; but other products containing Cl (chlorine), such as C2H4Cl2, are also obtained in small quantities. The formation of these other products reduces the yield of C2H5Cl. In a ..
how many grams of KO2 are needed to produce 885.0 L of O2 at 22.0 degrees Celsius and 1.00 atm
A student is given a soluble sodium salt containing one of eight possible anions (negative ions): acetate, chloride, bromide, iodide, sulfide, sulfate, and phosphate. The student adds some BaCl2 solution to the salt solution. A precipitate forms. ..
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