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Q: give
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A: Walther Nernst (1864 – 1941) made a significant breakthrough with his statement of the Third Law of…
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Q: Give full explanation of answer of the question- The Hückel determinant for a 4 Carbon containing…
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A: In this question, we want to determine the energy in kJmol-1 You can see details Solution below.
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A: Molecular Structure and Polarity Learning Objectives By the end of this section, you will be able…
The meaning of the terms a) salt bridge and b) formal potential; State very briefly.
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- create and justify the molecular orbital diagram correlated from the lewis dot structure for iodine gasFrom their Lewis structures, determine the number of sand π bonds in each of the following molecules or ions:(a) CO2; (b) cyanogen,(CN2); (c) formaldehyde, H2CO;(d) formic acid, HCOOH, which has one H and two O atomsattached to C.Calculate the energy of attraction between a cation with a valence of +3 and an anion with a valence of -4, the centers of which are separated by a distance of 5.8 nm. the answer should be in J. please help me solve and show all work.
- (a) Imagine that a Born-Haber cycle is being constructed by a colleague, to determine the lattice energy of a hypothetical magnesium halide salt, where X is the halide ion. The colleague makes the following list: First and second ionisations of Mg; 737 and 1451 Sublimation energy of Mg; 147 Electron affinity of X; 200 Atomisation enthalpy of X₂; 400 Enthalpy of formation of MgX₂; -450 2+ 2e+ Mg(+2X (8) b 2+ 2e + Mg( + X2 (8) a + Mg(g) + X₂ (8) 1451 Mg(g) + X₂ (8) Mg(s) + X2 (8) f 147 2+ Mg(g) +2X(g) MgX2 (s) d Sadly the colleague becomes discouraged and leaves the document incomplete, simply drawing boxes around unknown quantities. Complete the calculation by writing down the boxed quantities a-f on your answer paper. You may assume that the units are kJ mol-¹.Homework help: Derive the electronegativity on the Pauling Scale of a ground-state oxygen atom from its ionization potential and electron affinity (see tables in the book for values of ionization potential and electron affinity)In a gaseous KCl molecule, the equilibrium internucleardistance is 2.67 × 10=10 m. Using data from Appendix Fand assuming that a Coulomb potential is a good approximation of the potential from K+ + Cl= to 2.67 3 10=10 m,estimate the dissociation energy of gaseous KCl into K andCl atoms (in kJ mo=1). (Note: Table 3.7 shows that aCoulomb potential is only a good approximation to thepotential between two charged atoms at long inter-atomicdistances; the percent ionic character of KCl at equilibrium is only 82%.)
- Without consulting tables of data, on the same graph sketch the effective potential energy curves for H2 and He+2.A benzene molecule can be modeled as six carbon atoms arrangedin a regular hexagon in a plane. At each carbon atom, one of threeradicals NH2, COOH, or OH can be attached. How many suchcompoundsare possible?A hypothetical covalent molecule, X–Y, has a dipole moment of 1.421.42 D and a bond length of 117 pm.117 pm. Calculate the partial charge on a pole of this molecule in terms of ?,e, where ?e is the charge on an electron.
- A student says "For molecules containing two different atoms, the magnitude of the partial charges is related to the difference in EN of those two atoms." Is the data in Table 1 consistent with this statement? Provide your answer using one or more grammatically correct sentences and include specific examples from Table 1 in your response. Does the data for H2O and H2S in Table 3 support this statement? Provide your answer using one or more grammatically correct sentences and specifically address the data in Table 3.(ii) Construct and label a Born-Haber cycle for strontium difluoride, SrF2. Calculate the lattice energy of SrF2 using the following data: First electron affinity of fluoride =–328.0 kJ mol"1 First ionization energy of strontium = 549.0 kJ mol" Second ionization energy of strontium = 1064.0 kJ mol"! Enthalpy of atomization of fluoride = 75.3 kJ mol" Enthalpy of atomization of strontium = 164.0 kJ mol"! Enthalpy of formation of strontium difluoride = -1224.4 kJ mol"!H2 has equilibrium bond length of 0.751 Å and bond dissociation energy of 432 kJ mol21, whereas F2 has equilibrium bond length of 1.417 Å and bond dissociation energyof 155 kJ mol21. On the same graph show qualitativesketches of the effective potential energy curve Veff for anH2 and an F2 molecule. In your solution, show the conversion from kJ mol21to the energy of a single molecule.1