Glutamic acid (Glutamate) has an R group that has the following pKa values 2.19, 4.25 and 9.6. Draw the dominate form of glutamic acid at pH = 6.3

Q: Two aqueous hydrogen bromide solutions containing 1.00 wt% HBr (SG=1.0041) and 60.0 wt% HBr…

A: Given Two aqueous hydrogen bromide solutions containing 1.00 wt% HBr (SG=1.0041) and 60.0 wt% HBr…

Q: Consider the following equation: N₂(g) + 3 H₂(g) → 2 NH3(g) The rate of disappearance of N₂ equals…

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Q: i. 200 mL of a 0.200 M solution Disodium phosphate (Na,HPO) to which 60 mL of 1.0 M HCI is added. pH…

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Q: The rate constant for the first order reaction AB+C is k-44 x 103 min at 57 K. What is the half-life…

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Q: ㅛ 9.70 9 8 9.60 7 6 d (ppm) Ⅱ 5 (w 4 3

A: spectroscopic techniques are used to determine the structure of chemical compound.

Q: Determine the number of atoms per unit cell shown - Zinc blende (cubic ZnS) -

A: First diamgram  n = (1/6×12)+(4×1)+(1/2×2) = 7 Second diagram  n = (1/8×8)+(1/2×2) = 2 Third diagram…

Q: 13) A solution was made by dissolving 4.05 g of a solute in 136:9 g of acetone. The solution boiled…

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Q: Calculating a Heat of Formation Using Hess’s Law As discussed in lecture, the simplest and most…

A: Given reactions:  Reaction 1: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) = Hreaction: -357.8 kJ/mol…

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Q: Consider the following equation: N₂(g) + 3 H₂(g) --> 2 NH3(g) The rate of disappearance of N₂ equals…

A: Reaction rate:

Q: Write the formula for the spectator ion in these reactions: a. Equation 4 spectator ion 2 Al(s) + 3…

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Q: Use the relationship equation of state, P= a a RT a 1 Vm-b VTV (V+b) Drag the appropriate labels to…

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Q: Which compounds would you heat together in order to synthesize the ollowing? a

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Q: 1. For each molecule in questions 1a-1c do the following: 1. assign any formal charges that are…

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Q: A certain liquid X has a normal freezing point of 2.20 °C and a freezing point depression constant…

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Q: A solution has 5.25 mmol L-1 total phosphate (pKa = 2.1, 6.8, 12.4). If the pH of the solution is…

A: A buffer works best at a pH which is close or equal to the pKa of its acid. The pH of buffer is 7.4…

Q: Lys - Glu - His - Arg - Ile Which statement is FALSE: (a) At low pH, the amino terminal has a charge…

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Q: Consider the following equation: N₂(g) + 3 H₂(g) → 2 NH3(g) The rate of disappearance of N₂ is twice…

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Q: 3.2. Give the symbol including mass number the following: 3.2.1. The ion with 22 protons, 26…

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Q: Which of the following does not have a associated with it at room temperature A) acetic anhydride B)…

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Q: When 688. mg of a certain molecular compound X are dissolved in 75.0 g of formamide (NH₂COH), the…

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Q: 1. How many electrons does carbon have in its valence shell? 2. Carbon most frequently forms bonds…

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Q: 205(g)--> 4 NO2(g) + O2(g), rate = k [N₂O51² overall reaction order is:

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Q: 8) Which of the following pure substances B) H₂S A) HCI C)NH, 9) A solution was made by dissolving…

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Q: How many grams of Mn are there in 4.51 moles of Mn? grams

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Q: Waste cooking oil contains free fatty acids as well as triacylglycerols. Draw the chemical equation…

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Q: If you make up a solution of 100mL of 0.15M Tris-Base, what will be the pH?

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Q: 2 Indique la geometria molecular, los orbitales hibridos ymoleculares de los átomos señalados en la…

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Q: Calculate the pH of a buffer solution in which the acetic acid concentration is 1.9 x 10¹ M and the…

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Q: 48.1 mL of a 0.18 M Ca(OH)2 solution was consumed to neutralize a 0.12 M HCl solution. How many mL…

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Q: 8) What mass of ethylene glycol (M.W. = 62.1 g/mol) antifreeze must be added to 8.0 liters of water…

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Q: 6. List the point indices of the unit cell of the perovskite crystal structure for the following…

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Q: 1.1 Give the correct IUPAC names of the following compounds: OCH3 OCH3 Na[Ni(NH3)4(NO3)2]…

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Q: Complete the following reactions: CH, CH, ROOR hv H₂O, HgSO H₂SO4 1 mole of HBr alcoholic AgNO, (1)…

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Q: draw all the molecule separately in chemdraw like in step 1 draw one compound , in step 2 draw…

A: The structures of all the compounds drawn in ChemDraw are given below:

Q: The reaction CO2(g) + H2O(l) ⇔ H+(aq) + HCO3-(aq) has ΔH° = -12.65 kJ mol-1 and ΔS° = -192.5 J mol-1…

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Q: 31. Identify the amino acid sequence by writing the One Letter Abbreviation of the amino acids in…

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Q: Which is NOT a proper IUPAC name of a real molecule? A. 3-ethyl-2- methylpentane B. 3,3-…

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Q: For a 0.250M solution of K_(2)S what is the concentration of potassium?

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Q: Calculate the heat released (kJ) in the reaction of 2.20 g of sulfur dioxide gas and excess oxygen…

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Q: A solution of carbonate (pKa = 6.3, 10.3) contains 0.0100 mol HCO3- and 0.00500 mol CO32-. Calculate…

A: Given :  pka1 = 6.3  pKa2 = 10.3  [ HCO3- ] = 0.0100  [CO32-] = 0.00500  To calculate : pH

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.