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c) have few industrial implications.
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- A. Determine whether the curved arrow(s) shown below generate a valid or invalid resonance structure. Draw the resonance structure that would result from each properly drawn arrow and identify the arrow pushing pattern (i.e. allylic positive charge, allylic lone pair, pi bond between atoms of a different electronegativity, lone pair adjacent to a positive charge, alternating pi bonds in a ring.7. (a) Discuss the viscosity method for calculating the molecular mass of polymers.please solve subparts d. and e.
- Please don't provide handwritten solution ....Compare the solubility of nickel, silver, and cobalt in copper (host). How do you expect the phase diagrams to differ? Explain your reasoning.Consider the dissolution of NaBr and NaI. The values provided here will be helpful for answering the following questions. ΔH∘solnΔHsoln∘ (kJ/mol) ΔS∘solnΔSsoln∘ Jmol•KNaBr –0.860 57.0NaI –7.50 74.0 Write a balanced equilibrium equation for the dissolution of NaI in water. Include phases. Which of the following explains why the entropy change is greater for the dissolution of NaI compared to the dissolution of NaBr?Choose one: A. The interactions between bromide ions with other bromide ions is stronger than the interactions between iodide ions with other iodide ions. B. The cation forms stronger ion-dipole networks with water in NaBr than NaI because of the weaker bond to Br.C. The more negative change in enthalpy observed with NaI implies greater dissociation and hence greater entropy.D. Iodide has weaker ion-dipole interactions with…
- Can crystalline silicon become more stable in a reaction that is thermodynamically favoured but kinetically disfavoured? Explain.A unit cell has a=5Å, b=5Å, c-8Å, a=90°, B-90° ad y=90°. What will be the Bravais lattice for this unit cell? Mention the following for each of the given crystallographic cubic planes. (a) Intercepts in the x, y and z coordinates (b) Reciprocals (c) Final index of the crystal plane 1/2Mention two characteristics that the Molecular Orbital Theory considers and that are not considered in the Crystalline Field Theory.
- Please provide a justification for the following statement: lithium chloride dissolves in polarorganic solvents. What would you expect for other group I metal halides?Determine the crystal structure for the following: (a) a metal with a0 = 4.9489 Å, r = 1.75 Å and one atom per lattice point; and (b) a metal with a0 = 0.42906 nm, r = 0.1858 nm and one atom per lattice point.) – Extraction of metals Explain as fully as you can the need for different methods of extraction. Your account should include sufficient details of extraction processes to support your explanation of the need for different extraction methods for different metals. With references