Calculate the concentration of vacancies in in fcc silver at 250 oC given that the activation energy for vacancy creation in silver is 79.5 kJ/mol. The units for your answer should be vacancies/cm3

Q: Without consulting any source other than a periodic table, what relative level of toughness would…

A: Ti -Titanium is the transition metal having atomic number 22.  Ti can loses its two electrons to…

Q: Find the coordination sphere, central atom, ligand number and coordination numberof compound Nag…

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Q: The red color of ruby is due to the presence of Cr(III) ions at octahedral sites in the close-packed…

A: The atomic number of Cr is 24 The electronic configuration of Cr is [Ar]3d54s1

Q: What structural feature do hemoglobin, cytochrome c, andDoes the chlorophyll have in common?

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Q: 8. when the d orbital of the central Metal ion are supply in a square planar Crystal field, which…

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Q: Q2: What is the function of catalyst in coordination polymerization?

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Q: Which has higher symmetry: Crystobalite or Quartz? Explain.

A: This is higher symmetry in: Crystobalite   Crystobalite-         cristobalite is (mineral) a…

Q: Which type of magnetic material cannot be used to make permanent magnet, a ferromagnetic substance,…

A: Ferromagnetism: Ferromagnetism is the presence of magnetic domains that are aligned in the same…

Q: Given the transition metal compound, Na4[Co(C2O4)(CN)4], what is the oxidation state of cobalt, as…

A: The complex given is Na4[Co(C2O4)(CN)4].

Q: The second transition series are metals that crystallize in one of different lattice structures. The…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: For the synthesis of the copper-ammonia complex from the copper-water complex. Would a difference be…

A: This is a question from co-ordination chemistry.

Q: A particular ionic crystal has an equilibrium concentration of vacancy defects of 6x 10 at 1000 K.…

A: Option C- 4.84 * 10-22 J

Q: Given the complex cation [Cr(NH3)4Cl2]+ What is the oxidation of the metal ion, and what is the…

A: Given,  the complex cation [Cr(NH3)4Cl2]+ The oxidation of the metal is:

Q: bidentate

A: Dear student I have given answer to your question in the image format.

Q: The actinides Pa, U, and Np form a series of complex ions,such as the anion in the compound Na₃[UF₈]…

A: a.

Q: What is the coordination number of cobalt in [Co(en)2Br21Br? (ethylenediamine, en H2NCH2CH2NH2)

A: Topic-- Coordination no in the Co-ordination  Complex

Q: coordination number

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Q: What is the coordination number of Ru in [Ru(NH3)5(H2O)]Cl2? 1 5 6 8

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Q: Describe the types of metal complexation you would anticipate in first order streams. And why you…

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Q: Explain and draw Points Defects of cr

A: Point Defect Point defects in crystal structure are isolated interruptions to otherwise flawless…

Q: a. What is the denticity of SCN in Co(en)2(SCN)Cl+? b. What is the coordination number of Cobalt in…

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Q: (a) What kind of packing arrangement is seen in the accompanyingphoto? (b) What is the coordination…

A: (a) In the given photo, each ball in the first layer touches six neighboring balls. The balls in the…

Q: 3) A shape controlled Ag nanoparticle synthesis uses ligands that have selective affinities of…

A: The planes of the unit cell are denoted as (hkl) in the XRD data. As there are a set of selection…

Q: Would you expect carborundum(SiC) to adopt a diamond structure or one of higher coordination?…

A: Carbon and silicon are the elements of group 14 having 4 valence electrons in its outer most shell.

Q: Name the coordination compound KING (CN) 3 (OH)3]

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Q: why crystal structure is important at coordination chemistry

A: In coordination chemistry we generally use crystal structure for studying many properties of crystal…

Q: Why is it necessary to use the Ka transition (2p-----> 1s) in copper (see Problem 88) to generate…

A: The 2p→1s transition for copper is called the Kα transition. This transition is used to generate…

Q: Ball and Stick Model Na* Coordination Na* Cr Coordination Space Filling MIodel cr Ions Comprising…

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Q: In the wurtzite structure of ZnS, the compound is said to be : Select one: O (4,4) coordination O…

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Q: Magnitite ( Fe3O4) is a naturally occurring ferrimagnetic  material  with an inverse spinel…

A: Compounds with normal spinel structure are ZnFe2O4, MgAl2O4, CoAl2O4 where A atoms occupy the…

Q: what is the coordination number of cobalt in [Co(en) (NH3)3 Br]Cl2 ?

A: The central cobalt atom is bonded to ethylenediamine is a bidentate ligand, which means that it uses…

Q: What is the name of the coordination compound [Fe(en);(NO2);]Cl ?

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Q: Give the ratio of tetrahedral sites to oxygen in tetrahedral coordination. • Alkali feldspar •…

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Q: Sketch out a neutral 18-electron structure showing the geometry around the metal center for the…

A: Ru have 8 valance electron  And Nb have 5 valence electrons

Q: Chromium (Cr) has a BCC crystal structure. The atomic radius of Cr is 0.1249 nm. (a) Compute the…

A: Given atomic radius of Cr is 0.1249 nm

Q: Calculate the number of vacancies per cubic meter in iron at 850°C. The energy for vacancy formation…

A: Given: T = (850 + 273) K = 1123 K A = 55.85 g/mol formation energy, Qv = 1.08 eV/atom ρ = 7.65 g/cm3…

Q: (a) What kind of packing arrangement is seen in the accompanyingphoto? (b) What is the coordination…

A: Coordination number is the number of ions, atoms or molecules that a central atom or ions holds…

Q: For the following coordination cormplex (Mn(C04)(H2O)Cl3) Give the name…

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Q: The colors in the copper-containing minerals malachite, which is green and has an empirical formula…

A: (a) The electron configuration of the copper ion in each mineral has to be given (b) The compound…

Q: By making use of CFT in tetrahedral and octahedral geometries, predict whether nickel ferrite…

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Q: Given the transition metal compound, Na4[Co(C2O4) (CN)4], what is the oxidation state of cobalt, as…

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Q: Calculate the theoretical volume change accompanying a polymorphic transformation in a pure metal…

A: Since you have asked multiple questions questions, we will solve the first question for you. If you…

Q: a) Transition metal complexes are highly likely to be colored because of the size of the energy gap…

A: Since you have asked multiple questions, we will answer the first one for you. To get the remaining…

Q: What is the name of the coordination compound [Fe(en)2(NO2)2]Cl ?

A: Applying concept of IUPAC nomenclature of inorganic compounds.

Q: 5. cis-[Fe(phen)2(NCS):] is an example of a unique metal complex which undergoes a process known as…

A: SPIN CROSSOVER /SPIN EQUILIBRIA/SPIN TRANSITION This phenomenon occurs in some complexes in which…

Q: What is the color of the LED light used to measure the absorbance of [FeSCN]2+(aq) . Explain, use a…

A: The interaction of light with various species is used for their numerous property determination and…