Calculate the ionic packing factor and theoretical density of NiO
ceramic. Ionic radius of Ni2+ = 0.078 nm and that of O2- = 0.132
nm. Atomic mass of Ni= 58.69 amu and that of O = 16 amu
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Calculate the ionic packing factor and theoretical density of NiO
ceramic. Ionic radius of Ni2+ =...
1) Determine the ionic packing factor for the imaginary ceramic XY, which has the structure shown...
1) Determine the ionic packing factor for the imaginary ceramic XY, which has the structure shown below. The ionic radii of X and Y are 0.191 and 0.764 nm, respectively. The ions are touching along the dotted lines shown in this figure. The ionic packing factor is the same as the atomic packing factor. (15 pts.) 7--- -
3.- The Perovskite structure (CaTiOs) can be described as an FCC packing of Ca2* and O2 ions on which Ti4+ occupies of the octahedral sites, located in the cube center. Data, ionic radii, r(Ca2+)-0.1...
3.- The Perovskite structure (CaTiOs) can be described as an FCC packing of Ca2* and O2 ions on which Ti4+ occupies of the octahedral sites, located in the cube center. Data, ionic radii, r(Ca2+)-0.106 nm; r(0%)-0.132 nm; r(Ti4+)-0.036 nm; atomic mass, M(Ca)-40.08; M(O)-16.00; M(Ti)-47.90. Calculate: a) The volume of the unit cell b) The packing factor c) The linear density (ions/nm) in the direction [111] d) The planar density (ions/nm2) in the planes (111) and (200) e) The volumetric density...
Calculate the theoretical density of Mns, given that it has the rock salt crystal structure. You...
Calculate the theoretical density of Mns, given that it has the rock salt crystal structure. You may want to use the table below. The atomic weights for Mn and S are 54.94 g/mol and 32.06 g/mol, respectively. Cation Fe2+ Ni2+ Mg2+ Ionic Radius (nm) Anion Ionic Radius (nm) 0.077 0.140 0.069 S2- 0.184 0.072 0.067 Mn2+ p= g/cm3 the tolerance is +/-2%
Calculate the theoretical density, in g/cm3, of an AX compound given the following information. It has...
Calculate the theoretical density, in g/cm3, of an AX compound given the following information. It has a cesium chloride structure (CN=8), the ionic radii of the cation and anion are 0.130 and 0.157 nm, respectively, and the atomic weights of A and X are 74.65 and 16.00 g/mol, respectively.
1. Compute the percent ionic character of the interatomic bonds for each of the following compounds:...
1. Compute the percent ionic character of the interatomic bonds for each of the following compounds: TiO2, ZnTe, Csci, InSb, and MgCl2. Calculate the number of vacancies per cubic meter in iron at 850°C. The energy for vacancy formation is 1.08 eV/atom. The density and atomic weight for Fe are 7.65 g/cm3 and 55.85 g/mol, respectively 3. Molybdenum forms a substitutional solid solution with tungsten. Compute the weight percent of molybdenum that must be added to tungsten to yield an...
Q3. Calculate the theoretical density of the following metals in g/cmº given their atomic radius and...
Q3. Calculate the theoretical density of the following metals in g/cmº given their atomic radius and crystal structure. Compare those results with the accepted density. (8 points) Metal Crystal Structure FCC Aluminum Copper Nickel Silver Atomic Radius (m x 10) 0.1413 0.1278 0.1246 0.1445 FCC FCC Q4. Explain how slipping of atoms in metallic bonds lead to ductile behavior. (2 points) Q5. Explain why a polymer (plastic) described as thermoset is more difficult to recycle when compared to one described...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of w...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of whole numbers? __Cas(PO4h + H2SO4 - Caso + HPO. A) 3 B) 8 C) 10 D) 11 2) What is the coefficient of H20 when the following equation is properly balanced with smallest set of whole numbers? ALC + H2O - AM(OH), + CHE A) 3 B) 4 C) 6 D) 12 E) 24 3) of the reactions below, which one is...
1) Determine the ionic packing factor for the imaginary ceramic XY, which has the structure shown below. The ionic radii of X and Y are 0.191 and 0.764 nm, respectively. The ions are touching along the dotted lines shown in this figure. The ionic packing factor is the same as the atomic packing factor. (15 pts.) 7--- -
3.- The Perovskite structure (CaTiOs) can be described as an FCC packing of Ca2* and O2 ions on which Ti4+ occupies of the octahedral sites, located in the cube center. Data, ionic radii, r(Ca2+)-0.106 nm; r(0%)-0.132 nm; r(Ti4+)-0.036 nm; atomic mass, M(Ca)-40.08; M(O)-16.00; M(Ti)-47.90. Calculate: a) The volume of the unit cell b) The packing factor c) The linear density (ions/nm) in the direction [111] d) The planar density (ions/nm2) in the planes (111) and (200) e) The volumetric density...
Calculate the theoretical density of Mns, given that it has the rock salt crystal structure. You may want to use the table below. The atomic weights for Mn and S are 54.94 g/mol and 32.06 g/mol, respectively. Cation Fe2+ Ni2+ Mg2+ Ionic Radius (nm) Anion Ionic Radius (nm) 0.077 0.140 0.069 S2- 0.184 0.072 0.067 Mn2+ p= g/cm3 the tolerance is +/-2%
1. Compute the percent ionic character of the interatomic bonds for each of the following compounds: TiO2, ZnTe, Csci, InSb, and MgCl2. Calculate the number of vacancies per cubic meter in iron at 850°C. The energy for vacancy formation is 1.08 eV/atom. The density and atomic weight for Fe are 7.65 g/cm3 and 55.85 g/mol, respectively 3. Molybdenum forms a substitutional solid solution with tungsten. Compute the weight percent of molybdenum that must be added to tungsten to yield an...
Q3. Calculate the theoretical density of the following metals in g/cmº given their atomic radius and crystal structure. Compare those results with the accepted density. (8 points) Metal Crystal Structure FCC Aluminum Copper Nickel Silver Atomic Radius (m x 10) 0.1413 0.1278 0.1246 0.1445 FCC FCC Q4. Explain how slipping of atoms in metallic bonds lead to ductile behavior. (2 points) Q5. Explain why a polymer (plastic) described as thermoset is more difficult to recycle when compared to one described...
What is the coefficient of H.So, when the following equation is properly balanced with the smallest set of whole numbers? __Cas(PO4h + H2SO4 - Caso + HPO. A) 3 B) 8 C) 10 D) 11 2) What is the coefficient of H20 when the following equation is properly balanced with smallest set of whole numbers? ALC + H2O - AM(OH), + CHE A) 3 B) 4 C) 6 D) 12 E) 24 3) of the reactions below, which one is...
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