What is the pH of a 1.000L solution of 0.100M HA after the addition of 1.000L of 0.075M NaOH? The Ka of HA is 6.78×10-8

Q: This structure indicated a peptide bond between alanine and threonine. Using a pen, draw a…

A: Step 1 - N-protection of n-terminal Amino acid (Alanine) Using tboc functionalityStep 2 -  C -…

Q: Determine the enthalpy change for  combustion of using bond energies for             2C2H6(g)  +…

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Q: -b, x OM +88 KON.C DMSO

A: The given organic conversions are simple substitution or elimination reaction to give final…

Q: G 11.0 Proton NMR 10.5 28.2 10.0 45 t Abundance 9.5 Integral Values m/z 121 9.0 156 158 8.5 8.0 24.5…

A: Number of signals: Tells us about how many sets of protons with different electronic environment…

Q: The specific heat of H2O is 4.184 J/g°C. The ΔHfus of H2O is 334 J/g. The ΔHvap of H2O is 40.7…

A: Mass of ice = 1.55 kgInitial temperature = -2.00 °CFinal temperature = 135 °C ΔHfus of H2O = 334…

Q: At roughly what pressure, P, and temperature, T, will diamond, graphite, and liquid carbon all exist…

A: In Phase diagram,The state at which two phases represented by a curve intersect is referred as an…

Q: Write out the thermochemical equation for the heat of formation of ethylene glycol (1)

A: The amount of heat absorbed or evolved when one mole of a compound is formed from its constituent…

Q: 16. The following is the relationship between R configuration and optical rotation: A. It is always…

A: The term dextrorotatory /+ used for the isomer, if that particular isomer rotates the plane of…

Q: Choose the best reagents to complete the reaction shown below.

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Q: Provide the starting material for the following reaction. Oll OIV O III OI I, H Br ''Η OH A = NaH…

A: Epoxidation from halohydin via SN2 Reaction

Q: A student dissolves 10.8 g of sodium chloride (NaCl)in 200. g of water in a well-insulated open cup.…

A: The reaction in which heat is released is known as exothermic reaction whereas the reaction in which…

Q: The pOH of an aqueous solution of 0.350 M phenol (a weak acid), (K₁ (C6H5OH) = 1.0 × 10-¹⁰) is

A: we have to calculate the pOH of phenol solutionwe have to calculate the hydronium ion concentration…

Q: 1) Show how the below transformations have occurred through the alkylation of imine and hydrazone…

A: To do this conversion,at first we convert the given carbonyl group to imine intermediate, when…

Q: Draw the additional resonance structure(s) of the structure below? . Include all valence lone pairs…

A: We have been given a structure and we have been asked to draw additional resonance.structures of…

Q: Help 1 You are given a piece of pie straight out of the oven, so the crust and the filling are at…

A: The given statement are :---(B) False

Q: = O CHEMICAL REACTIONS Identifying oxidized and reduced reactants i... FeSO4(aq) + Zn(s) Fe(s)+…

A: Redox Reaction: Redox reaction is one type of chemical reaction in which oxidation and reduction…

Q: For each reaction in the table below, write the chemical formulae of any reactants that will be…

A: we have to determine the reactant oxidized and reduced for the given reactions

Q: Determine at least two elements of symmetry and assign the point group of the compounds below.…

A: Let us discuss the symmetry elements and point group of the given compounds.According to our…

Q: For many purposes we can treat nitrogen (N₂) as an ideal gas at temperatures above its boiling point…

A: Initial temperature of gas (T1) = 51.0 °C => T1 = 51.0 + 273.0 = 324 K Final temperature of gas…

Q: CI 1. LIAIH4 2. H+ 3. H₂SO4, heat ? Major Organic Product

A: LiAlH4 Lithium Aluminium Hydride :-LiAlH4 Lithium aluminium hydride is powerful reducing…

Q: What are the names and zig-zag structures for all the 35 isomers of Nonane (C9H20)?

A: They are as…

Q: Write a balanced half-reaction describing the oxidation of aqueous iron(II) cations to aqueous…

A: We have to write the balanced half Oxidation reaction

Q: 1) For the below transformation, what will be the products? Provide a mechanism for b) a) N H CH3CH2…

A: In the first reaction lone pair of nitrogen attack at the electrophilic carbonyl carbon and…

Q: A 85 g rock is heated to 98.7°C and placed into 125.3 g of water originally at 30.0°C . If the final…

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Q: An optically active D-aldopentose (A) produced an optically inactive alditol (B) upon treatment with…

A: An optically active D-aldopentose (A) produced an optically inactive alditol (B) upon treatment with…

Q: For many purposes we can treat nitrogen (N2) as an ideal gas at temperatures above its boiling point…

A: The relationship between the temperature, pressure, and volume of the initial and final state of an…

Q: Purple light can have a wavelength of 380. nm. What is the energy of a mole of photons of this…

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Q: 12.41 Hydrogenation of alkene A with D₂ in the presence of Pd-C affords a single product B. Keeping…

A: When compound A is treated with mcpBA epoxide formation take place.In the compound A as above side…

Q: How many mL of a 0.154 M aqueous solution of manganese(II) chloride, MnCl2, must be taken to obtain…

A: mass of MnCl2 = 8.60 gConcentration of MnCl2 solution = 0.154 M = 0.154 mol/LVolume of MnCl2…

Q: Examine the curved arrow mechanism below, and answer the question in the box. If the mechanism is…

A: During mechanism flow of electrons occur from higher electron density to lower electron densityA…

Q: A student dissolves 11.4 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open…

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Q: The structure of a disaccharide is shown. What kind of glycosidic linkage does it have HO CH OH Н ОН…

A: A covalent bond that joins the hemiacetal group of one sugar molecule and the hydroxyl group of…

Q: 3. Label all the sets of chemically equivalent protons for both of the following two compounds. Then…

A: Each proton peak corresponds to a different type of hydrogen atom in the molecule, and the position…

Q: 5. Identify the following amino acids as non-polar, aromatic polar, negatively charged, or…

A: Amino acids are the organic compounds which contains carboxylic acid (-COOH) group as well as amine…

Q: STARTING AMOUNT + 78°F Mostly cloudy 4 ADD FACTOR x( ) 0.98692 atm 2.70 10⁰ Pa Q Search 0.00355 1…

A: Check the conversion factor to convert the given value of atm in torr and use it to calculate…

Q: Which of the following is the most effective buffer system for a pH value of 5.50? (a)…

A: (a) HC3H5O2/C3H5O2- Ka = 1.34x10-5(b) HC2O4−/C2O42- Ka = 5.42x10-5(c) HNO2/NO2- Ka = 7.10x10-4(d)…

Q: NaCl(s) + H₂O(1)→→→→→→NaCl(aq) If sufficient NaCl dissolves in water to form 1.00 L of 2.00 mol/L…

A: Volume = 1.0 LConcentration = 2.00 mol/L

Q: Suppose 0.925 g of barium nitrate is dissolved in 250. mL of a 56.0 m M aqueous solution of ammonium…

A: Given , mass of barium nitrate = 0.925 g                      Molarity of aqueous solution of…

Q: QUESTION 19 What is the major product of this reaction? A) B) E) None of the above OH H₂O, H₂SO4…

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Q: What mass of copper is deposited from an aqueous solution of copper sulfate, CuSO4 (aq), by passing…

A: We have to find  mass of copper deposited from an aqueous solution of copper sulfate by passing one…

Q: 4. If the hydrogen atom is in an n = 3, l = 2 state, what is a possible value for l after a photon…

A: Option a (l = 3) is indeed a possible value for the angular momentum (l) after the emission of a…

Q: Why is a certain amount of energy required within an effective collision?

A: In chemical reactions, a minimum amount of energy is required within an effective collision for…

Q: DcoA CO₂Me CI NaH ZI

A: This is an example of SNAr reaction

Q: Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right).…

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Q: Give the major product(s) of the following reaction. NaCN H+ ?

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Q: Problem 11: Predict the product for the reaction shown. SO3H 5* H3O+ ?? A. B. C. D. E.

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Q: Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right).…

A: Given,Volume of O2 collected over water = 74.6 mLTemperature = 30.0 0CFrom the reference, vapor…

Q: H₂CO H₂SO4

A: The presence of acid makes alkene to act as an electrophile carbocation  . Then electron rich…

Q: your Two substances, A and B, initially at different temperatures, come into contact and reach…

A: Given : mass of substance A =6.17 g.       Initial temperature of A = 21.0…

Q: The resonance stabilized carbocation formed in step one has two electrophilic centers draw. The…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.