Complete the table for the ionizable groups of the fictitious amino acid hypothetinine. pKa (to TWO decimals) Average charge of group when pH=pK (to ONE decimal) Group Ka alpha-carboxyl |1.38 х 103 alpha-amino 6.02 x 10 10

Q: 7. Give the number of valence electrons and draw a Lewis structure for each molecule or ion. Use…

A: Total valence electrons of a molecule or ion is defined by the sum of the valence electrons of all…

Q: Which among the following glassware is the most accurately calibrated and is ideal for solution…

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Q: 10.105 Complete and balance each of the following: (10.7) a. ZNCO3(s) + H,SO,(aq) b. Al(s) + HBr(aq)

A: Active metal react with acid give hydrogen gas

Q: Amino Acids Properties: Match the following specific "R" groups of amino acids to the descriptions.…

A: Here we have to determine the types of the given groups presents in the following compounds.

Q: How many mg of ascorbic acid are present in the 3 month old sample? A 492.53 mg B 488.12 mg c)…

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Q: Compare the pH readings of the two buffers. Determine which buffer had the greater buffering…

A: The unique characteristic of a pH buffer is that it has a specific pH level and is resistant to any…

Q: The radius of a single atom of a generic element X is 149 pm and a crystal of X has a unit cell that…

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Q: What do you call the type of titrimetry in which you measure the quantity of charge in coulombs…

A: The titrimetry in which we measure the quantity of charge in coulombs required to complete a…

Q: Calculate cell voltages under the following conditions at 25°C: a) Zn zn" (0.50 M)| Cư* (0.10 M) Cu…

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Q: A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3…

A: First of all we have to calculate the moles of Fe2O3. From that only we get the moles of Fe and…

Q: 3. Calculate cell voltages under the following conditions at 25°C: a) Zn Zn (0.50 M)I Cu" (0.10 M)|…

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Q: Consider the reaction: 4HCI(g) + O2(g) 2H20(g) + 2C12(g) Using standard thermodynamic data at 298K,…

A: Given-> Moles of HCl(g) = 1.76 mole

Q: If a 30.0 A of current flow through an electrolytic cell containing molten aluminum oxide for 1.0…

A: The chemical reaction :  Al3+(l) + 3e- ---> Al(s)  Current = 30.0 A  Time = 1.0 hour  Weight of…

Q: . Calculate cell voltages under the following conditions at 25°C: a) Zn zn" (0.50 M)lcư* (0.10 M) Cu…

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Q: The table shows respective color change when a universal indicator is added to the clear solutions.…

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Q: A student measures the Cr3+ concentration in a saturated aqueous solution of chromium(III) hydroxide…

A: Given , Concentration of Cr3+ is 1.23×10^-8 M We have to calculate solubility product constant.

Q: A 50.00 ml of 0.0275 M HCl solution was titrated with 0.1500 M NaOH. Calculate the pH of the analyte…

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Q: 3. Calculate cell voltages under the following conditions at 25°C: a) Zn lZn* (0.50 M)lcư* (0.10…

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Q: A sample of gas has a pressure of 4.0 atm at 55 C. What is the pressure if the temperature is…

A: Initial pressure = 4.0 atm  Initial temperature = 55 °C  New temperature = 80 °C  New pressure = ?

Q: ems to their respective bins Reset HCI HNO, HCIO,HNO, Nitrous Chloric Hydrochlori

A: Chemical formula and their structures Nitric = HNO3 Nitrous = HNO2

Q: In forming alkynes using double elimination, sometimes 3 equivalents are necessary to create the…

A: Alkynes are unsaturated compound in which degree of dissociation is two. It is generally formed via…

Q: A 0.5000 g sample containing NaCI (58.44 g/mol), BaCl2 (208.23 g/mol), and 11.56% by mass of…

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Q: H2SO. HI HNO, (CH3)2NH CH,NH, NH3 KBr CL rønsted-Lowry acid Brønsted-Lowry base Neither

A: According to Bronsted lowry theory, an acid is a proton (H+) donor and a base is a proton acceptor.

Q: For the reaction PCI:(g) = PCI:(g) + Cl-(g) Kp = PCI:(g) at an initial pressure of 3.00 atm and…

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Q: At constant pressure 200 mL of gas at 35 C is cooled to -20 C. What will be its new volume?

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Q: 24. A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure…

A: First of all we have to find mole of Fe from the mole of Fe2O3. From that we will get mass of Fe.…

Q: Sort the sample solutions as acidic or basic based on the given table for pH range and color change…

A: Answer: Mentioned compounds are the indicators, those change their colors according to the pH of the…

Q: 100.0 mL of 2.0 M sodium phosphate is added to a beaker that has 150.0 mL of 2.0 M barium chloride.…

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Q: The table shows the pH value and the corresponding color change for a chemical indicator bromothymol…

A: Provided range of color changes of bromothymol blue: The provided substances have to be sorted in…

Q: For the following reaction at a certain temperature H:(g) + F2(g) = 2HF(g) the equilibrium…

A: Given reaction is :  H2 (g) + F2 (g) <---------> 2HF (aq)  Equilibrium concentration of H2 =…

Q: The solubility of lithium carbonate at 25oC is 1.29 g/100 g H2O.  How many grams of Li2CO3 will…

A: Solubility The amount of solute present in 100 g of solvent is known as solubility. The solubility…

Q: A. HBrO2 < HBrO4 < HBrO < HBrO3.    B. HBrO2 < HBrO3 < HBrO4 < HBrO.    C. HBrO < HBrO4 < HBrO3 <…

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Q: Mark which of these apply to Image A in Document 1. Should have 4 answers. (A) low initial pH B)…

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Q: Consider the reaction 2N2(g) + 02(g)-2N20(g) 5 pt 1req Using the standard thermodynamic data in the…

A: The values of pressures of each of the reactant are used to calculate the equilibrium constant…

Q: 13. Draw the reaction mechanism and the Major product of the reaction. Explain the regioselectivity.…

A: Here we have to write mechanism and major product in the following reaction.

Q: I. Place the hypothetical elements below in their respective places in the periodic table based on…

A: We would use use period number and group number to place the given elements in their respective…

Q: What is the correct name for: [Ir(en)2(Br2)2]Br? O bisethylenediaminedibromoiridium(III) bromide…

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Q: What is the unique reaction rate [in mM/s] for the reaction 2A + 4B 2C if the rate of consumption…

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Q: Methane at 20 °C and 1 atm pressure has a viscosity coefficient of 1.09x10-4 poise. Calculate the…

A: The solution of the given question is

Q: What is the mass of NaCl in a 1 L bottle of 2.00 M NaCl? a. 29.3 g b. 58.0 g c. 116 g d. 234 g

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Q: A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3…

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Q: For the reaction 2502(g) + 02(g)2S03(g) AG° = -132.2 kJ and AS° = -187.9 J/K at 349 K and 1 atm. The…

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Q: Calculate 2NaHCO3 = Na2O + 2CO2 + H20 (Show work please!)Mass of empty evaporating dish: 46.233g…

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Q: Directions: Use the words inside the box to correctly fill in the blanks. Write your answer on your…

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Q: A) How many grams of Mgl2 is present in a 0.4745 g sample that is 53.21% Mgl2 (278.11 g/mol)? B)…

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Q: Provide what is being asked in each of the columns in the given table. Molecule/ Molecular Molecular…

A: According to VSEPR theory, valance shell electrons are combine together to form the molecular…

Q: When you plot the volume of the titrant added into a solution against a concentration related…

A: The plot of volume of titrant against the concentration of a solution is called Titration curve

Q: Hatsume Mei wanted to maintain the pH of a certain solution within a specified range. What should…

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Q: The rate of formation of B is how many times the rate of consumption of A given the chemical…

A: (A)-&gt; 6A --&gt;11B (B)-&gt; 12A --&gt; 3B

Q: EXAMPLE 13.5 The rate of decomposion of aomethane (C,H,N) is sudied by monitoring the parial…

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.