Which of the following indicated faces is correct. а. Re b. Si НО, С. d. Si H2N Si

Q: Find ST, lin k) uhen ome mole of Krybton Joss Undesgoes a Joule -free exponsion faom a5L to SoL ond…

A: The ideal gas equation that was developed to give the relation between various properties of gas…

Q: In the ammonia (NH3) molecule, three hydrogen (H) atoms form an equilateral triangle, with the…

A: You can find the center of mass of the 3 Hs first, then find the center of mass between that point…

Q: What type of lattice is shown? a = b 0 = 60° a. rhombic O b. hexagonal c. square O d. parallelogram

A: Given lattice,

Q: has the smallest ionic separation_ 75) Of the compounds below, -A) KF B) K,S C) RBCI D) SrBr, E) RbF

A:

Q: What is the trend for atom size from left to right across aperiod?

A: Atomic size of an atom is defined by atomic radius. It is the half of the distance between two…

Q: Why are the observed configurations of, for example, trigonal bipyramidal structures  sometimes…

A: The bond pairs and lone pairs of electrons around the central atom of a molecule are arranged as far…

Q: Give a clear handwritten answer and explain

A: We would check boiling point to check the strength of intermolecular forces.

Q: What is the function of the flame in AAS?     Ionozation of sample     boiling of sample…

A:

Q: rove thet or an as a function of othe extensove gou Sc V and Ni U(s. VN)= N bo Vers the terna en…

A:

Q: Discuss the bonding between two hydrogen atoms on the basis of heitler and London theory, discuss…

A: The valence bond theories, originated from the ideas of the scientist G.N Lewis. The pioneers of the…

Q: Using your knowledge of molecular structure, identify the main intermolecular force in the following…

A:

Q: 2- Explain the interactions between non-bonded atoms in molecular mechanical methods (Non-bonded…

A: Non-bonded interactions act between atoms in the same molecule and those in other molecules. Force…

Q: МСРВА CF,SO,H, CH,Cİ2 (c)

A:

Q: Tell how IR spectroscopy could be used to determine when each reaction is complete.

A: a.

Q: The distance between the centers of the Lit and F ions is 143 pm. Determine the energy of…

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Q: Solve the attached Problem.

A: TsCl reacts with the alcohol (A) to give tosylate (B). OTs is a good leaving group. Tert-butoxide…

Q: Obtain the relation between the polarizability and the distance between the two atoms for a two…

A: Given answer of choices,

Q: 9) Use the fallaug data to calcdate the Lattice Energu f Nacl. NaĞ) NaG) . AH= 109 kJ Iml AH= 243…

A: Concept introduction: Lattice energy is the amount of energy released when one mole of gaseous…

Q: Complete the table. Then identify where each type of dipole can be observed and its importance.…

A: A question based on molecules that is to be accomplished.

Q: 10. Which of the following does have the lowest polarizability? Z of I = 53, F = 9, Br = 35, I = 53…

A: To differentiate the compounds as ionic and covalent, Fajan gave some rules and postulates. The term…

Q: Find thsee values for cubic , triclinic , trigonal, orthombic monoclinic tetragonal hexagonal

A: Space lattices: The atoms or molecules are arranged in regular pattern in 3D. If each unit of atoms…

Q: Compare polarizability (> , < , or =): S___Se Ar___Kr Sn___As Tl3+ ___Tl+

A: Polarizability depends on size on ions. We know that anion are bigger size than cation so anion have…

Q: Which is more polarizable, Ar or Kr? Why? Include a definition of polarizability.

A:

Q: te, Xe, Kr Ba, Ca, At many valance electrons das euch of Hle following atoms have? 3. num, Z'=22…

A: * Valency  electron  meanes outermost  electron     present  in an  atom.

Q: 1. Neutrons as well as electrons and x-rays can be used to obtain information about molecular…

A: Given typical bind length = 1.54 A° . So wavelength of neutron = one fifth of bond length = 1.54/5=…

Q: Cu+ is paramagnetic. True or false?

A: Paramagnetic  Presence of unpaired d electrons and attracted towards magnetic field

Q: 16. Calculate the normal melting point of l2 (s) in °C given the following data: AH° = 15.52 kJ/mol…

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Q: to Sublime KG) = 8E9.0 KJ/mol Enegy Electron affinity of F(g)2-328.0 KJ/mol First ionization eneryy…

A: Lattice energy of KF can be calculated using Born-Haber cycle.

Q: value of Ksp be for calcium fluoride?

A:

Q: 1. How many electrons fit into one band assuming spin degeneracy? . Are ionic solids good or bad…

A: 1) It’s definitely all about boundary conditions. Delocalized electrons have to stay inside the…

Q: Shown below is a two ion pair cluster of 1-methyl-3-methyl-imidazolium tetrafluoroborate, including…

A: The three possible interactions between a two ion pair cluster of…

Q: Eu2 and Yb?* are relatively stable due to the preferential stability for half- filled and…

A: The electronic configuration of Eu2+ is [Xe]4f7 (Half filled f-orbital) The electronic configuration…

Q: PFill in t he [H30+ J Blanlc Spaces- Seoraw Eell worlc [OHJ ア4 ACIP, Bate Neut.

A:

Q: Q6 /A B/Ifa pure Silicon crystal has 2.5 million free electrons inside it. How many holes does it…

A: An intrinsic semiconductor is a pure type of semiconductor .silicon is pure semiconductor. Here no…

Q: Given : Ba (AW = 137.327 g/cm³) %3D FCC Atomic radius = 0.235 nm Qv = 1.23ev/atom T= 1125 °C…

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Q: What is the effect of o, on the x, y, z axes of the 4 atoms in BF;? A. -4 В. -2 С. О D. 2 Е. 4

A: Here we are required to find the effect of symmetry operation σV on the x,y,z axes of 4 atoms in BF3

Q: What dominant polarization mechanisms do you expect in oxygen (O2), hydrogen fluoride (HF) and…

A: Oxygen and methane are nonpolar molecule.  Thus for there , there polarization mechanism is based on…

Q: If Li(s) is exposed to F2(g), how would the electrons rearrange? Write a balanced chemical equation…

A: When Li and F2 are exposed to each other LiF is formed. The reaction for the compound formation is…

Q: Compare polarizability (, or =): Li Te p3+ I ompare metallic character (, or =): Cr Ве Sr 02- Ni2+…

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Q: Calculate the density of Schottky pairs in CaO if the fraction of vacant lattice sites is 7 x 10 6.…

A: Given data :  Fraction of vacant lattice sites in CaO = 7 x 10-6 Density of CaO = 3.45 Mg/m3…

Q: Compare polarizability (, or =): B _____ Li                     Te _____ O                    P…

A: The separation of charges in molecules or species in certain directions is known as polarization.…

Q: Calculate the fraction of atom sites that are vacant for lead and thence the percentage of vacancies…

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Q: is there a diffrence between the formula H3C and CH3

A: The two formulas given are H3C and CH3.