What are the predominant Intermolecular forces (Dipole-dipole, London dispersion, Hydrogen bonding etc) for the following molecules: TeCl6 AsBr5 XeF4 SiCl4
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What are the predominant Intermolecular forces (Dipole-dipole, London dispersion, Hydrogen bonding etc) for the following molecules:
TeCl6
AsBr5
XeF4
SiCl4
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- Please write the structures of alginic acid and acrylic acid(just show the repeating unit structure). Please explain what is the behaviour of alginic acid and acrylic acid hydrogel, whenyou increase the Ph? (increasing beyound 7)One liter of a 0.1 M Tris buffer (pKa of Tris = 8.3, see Table 2.4) is prepared and adjusted to a pH of 2.0. A) What are the concentrations of the conjugate base and weak acid at this pH?Answer with 2 significant digits. I have solved for [HA] = 0.10 Can you please help solve for [A-] = ?A mixture of proteins contains four different polypeptides, all in ~equal concentration, in solution with the following properties: Protein Molecular Mass (kDa) Isoelectric point A 45 4.5 B 77 6.0 C 28 4.1 D 14 10.7 A fraction of the protein solution is applied to a strong cation exchange column using a buffer at pH 8.0 with increasing [NaCl] from 0.05 M – 1.0 M. The chromatogram is shown below: 1. Based on the data presented, which of the following statements is true: Peak #1 is protein D Peak #4 is protein C Peak #3 is protein A Peak #4 is protein D Peak #2 is protein B 2. Since you know that the proteins are all present in approximately equal concentrations, the different relative peak areas tell you that: There are more neutral amino acids in protein #4…
- Consider the intermolecular forces present in a pure sample of each of the following compounds: CH₃CH₂OH and CH₃COCH₃. Identify the intermolecular forces that these compounds have in common.Acetic acid is the principal ingredient in vinegar as shown; that's why it tastes sour. At equilibrium, a solution contains [CH3CO2H] = 0.0787 M and [H3 O+] = [CH3 CO2−] = 0.00118 M. What is the value of Ka for acetic acid?Which of the following compounds would be most soluble in carbon tetrachloride, CCl4? a. NH3 d. CH3OHb. H2O e. C6H6c. HCl
- How many grams of glucose (C6H2O6 molecular mass =180daltons) would be present in one liter of a 1M (molar) solution of glucose?What are the molarity and the normality of a solution made by dissolving 25 g of citric acid (triprotic, C6H5O7H3) in enough water to make 800 mL of solution?Beyond the differences in molecular mass, what is different about determining the molarity of a solution containing a salt (e.g. NaCl, MgCl2) versus a covalently linked molecule (e.g. glucose)?
- In a 0.1000 M acetic acid solution at 25 degrees celsius , the acid ionizes to the extent of about 1.34 %. Since each molecule of acetic acid which ionizes produces 1 H+ ion and 1 C2H3O2- ion, the concentration in the solution are: HC2H3O2 < -----------> H+ + C2H3O2-Identify the conjugate acid-base pairs in the following reactions: HNO2(aq) + H2O(l) → NO2 – (aq) + H3O+(aq) _______ ______ _________ ________ CH3NH2 + H2O(l) → CH3NH3+ + OH – _______ ________ ________ _________The isoelectric point (pI) of glutamic acid is pH 3.08. Draw the structure of the major form of glutamic acid at pH values of: a. 1.00 b. 3.08 c. 11.00.