0.2 gm of ethanol was acetylated with acetic anhydride in presence of pyridine (1:3), neutralization of the resulted solution required 20 ml of 0.1 N NaOH, while the blank titration reqiuered 40ml of NaOH. Calculate the percentage of hydroxyl group in this sample ?

Q: ol Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction…

A: Given, P4(s, white) + 20HF(g) ➝ 4PF5(g) + 10H2(g) Substances             entropy (S°) P4(s, white)…

Q: Consider the following system at equi 2HI(g) =H₂(g) + I2(9) If the TEMPERATURE on the equilibr The…

A:

Q: Complete the statements about the redox reaction below. Half-reactions: Cd²(aq) voltaic electrolytic…

A:

Q: How many liters will 1.36 g of helium, He, occupy at 371 K and 705 mmHg? Report answer to one…

A: The ideal gas equation shows the relation between pressure, volume, temperature and no of moles of…

Q: a.) b.) c.) (i) KMnO, OH, A (ii) H₂O* CH3COOH + PC13 BrCH₂CH3 (i) NaCN (ii) H₂O* 91

A:

Q: Determine absolute configurations for the double bond and chiral carbon for the molecule shown. OH…

A: RS nomenclature: The RS nomenclature is an important nomenclature system for denoting the…

Q: What is the first step in solid-phase peptide synthesis? 1-washing C-terminus to purify 2-attach…

A: Solid Phase Peptide Synthesis Solid phase peptide synthesis (SPPS), developed by R. B. Merrifield,…

Q: Click in the answer box to activate the palette. Use the half-reaction method to balance the…

A:

Q: A 38.0 µM sample solution occupies 3.03% of the length of a 59.6 cm long capillary that has a…

A: To calculate moles of solution , we would need to calculate volume of solution.  For this we would…

Q: An empty steel container is filled with 2.50 atm of H₂ and 2.50 atm of F₂. The system is allowed to…

A:

Q: [Review Topics] Draw the product(s) of the following reactions. H₂C -CEC-CH3 Nal NH3(l) . Consider…

A:

Q: Name the following complex ions. formula [Fe(H₂O)]* [Cu(NH,), + [T₁(H₂O)]* name X ?

A: The given metal complexes are exclusively cationic in nature with variable positive charges.

Q: What is the electron pair geometry, lewis structure, molecular geometry, and hybridization of GeF2?…

A: To draw lewis structure we count total valance electrons and make required number of bonds for each…

Q: Calculate the final pressure, in millimeters of mercury, for each of the following, if V and n do…

A:

Q: Which one of the following substances will have both dispersion forces and dipole-dipole forces O…

A: ->each molecule has dispersion force but dipole -dipole force exists only when there is…

Q: H b. . . C. d. i Hlor e. f. 2 H + H3C-C=N 1) NaOCzHg/C,H5OH 2) H₂O/H* NaOC₂H5 base & OH C2H5OH OH…

A: We have to draw the structure of the given products.

Q: MISSED THIS? Read Section 15.6 (Pages 656 - 661); Watch KCV 15.6, IWE 15.9.Consider this overall…

A: Rate law depend on the concentration of reactant raised to order of the reactant.

Q: Write the chemical formula of the following complex ions. formula 0 name hexaamminechromium(III)…

A:

Q: We are determining the rate law equation for a reaction A+B+C ⇒ ABC in which a dramatic and instant…

A: All the necessary explanation has been done in the following step.

Q: Assuming the reaction below takes place by a concerted process, which mechanistic scheme is correct?…

A: Concept:  Concerted process: In a concerted reaction all bond breaking and bond making occurs in a…

Q: 0 (2 write down adetaled mechanism for the following transformations.. + Eto₁₂C-N=N- coet OH (DEAD)…

A: We have to show the detailed mechanism.

Q: A solution contains 1.22×10-2 M ammonium fluoride and 1.32x10-2 M sodium carbonate. Solid magnesium…

A:

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A:

Q: Study the following phase diagram of Substance X. 32- solid liquid 200 400 temperature (K) Use this…

A:

Q: Explain the principles of tests for hydrocarbons connected to the results accumulated.

A: The test given is the bromine solution test for unsaturated hydrocarbons. Unsaturated hydrocarbons…

Q: Write the chemical formula of the following complex ions. formula name tetraamminetitanium(IV)…

A: During writing formula of compounds . First write metal symbol then ligand with their number and…

Q: Which of these parameters is not found in the Clausius-Clapeyron equation? A) P   b)  ∆H  c)  T   d)…

A: Clausius-Clappeyron equation is used to determine the vapour pressure of a substance at a given…

Q: A photometer with a linear response to radiation gave a reading of 690 mV with a blank in the light…

A: %Transmittance can be calculated as: %T=PP0×100=VV0×100                            =169 mV690 mV×100…

Q: Give the products of the following reactions. CH3 (i) KMnO4, OH, A a.) (ii) H₂O* b.) CH3COOH + PC13…

A: R-CN reacts with H3O+ gives RCOOH.... KMnO4 is strong oxidizing agent...

Q: A chemist is studying the following reaction that has an equilibrium constant of 6.5 x 10²1/M *…

A: we need to calculate the reaction quotient from the given concentrations and after that compare the…

Q: If an electrochemical reaction is spontaneous, a) cell potential is negative, and the more…

A:

Q: Which statement(s) is(are) correct regarding the formation of maltose? A. Hydrolysis reaction…

A: Maltose is a sugar.

Q: What is the concentration of X2- in a 0.130 M solut Ka2 = 7.5 x 10-11. O 1.6 x 10-8 M 6.2 x 10-4 M O…

A: H2A H+ HA- I 0.130 0 0 C -x +x +x E 0.130-x x+y x+y Further dissociat is   HA- H+ A2,-…

Q: Arrange the following from the largest to smallest ions (Ca, Mg2+, Br-, Lit, Se)

A: Size of anion is larger than size of cation. In periodic table top to bottom size increases and left…

Q: Write the chemical name of the following compound.

A: To write chemical name of a compound first write positive ion (or) atom  followed by the name of…

Q: les of present in the buffer system. the solution will get slightly | The pH does not change

A: Buffer solution is the mixture of weak Acid /base with its conjugate base/acid. Buffer solution is…

Q: The pressure in a flask containing 15.0 g Ar and 15.0 g Ne is measured and found to be 796 mm Hg at…

A:

Q: [CLO-6] Calculate the pMg in the reaction of 50 mL of 0.1 M Mg2+ (buffered to pH 10) with 25.5 ml of…

A:

Q: Chernobyl expelled lots of Cs-137 radioisotopes in the environment in 1986.  The half-life of Cs-137…

A: We have to calculate the radioactivity after 60 years.

Q: a balanced chemical equation for

A:

Q: Consider the following system at equilibrium where AH° = -111 kJ/mol, and Kc = 0.159, at 723 K. N₂…

A:

Q: When the following equation is balanced properly under adidic conditions, what are the coefficients…

A:

Q: Sodium light is easy to filter because it only emits light at a specific wavelength. Would any of…

A: We have find out the answer.

Q: In a solution prepared by dissolving 0.100 mol of propionic acid in enough water to make 1.00 L of…

A: Given that 0.1 mol of propionic acid is dissolved to make 1 L solution . That is its concentration…

Q: The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when…

A:

Q: Given these reactions, answer the questions (one answer can be used twice) NaOEt Br EtOH YBr Br…

A:

Q: Identify the following structure a). amino acid b). carbohydrate c). lipid d). fatty acid e).…

A: The definition of various terms are given below

Q: DURING THE DETERMINATION OF THE CORRECTION COEFFICIENT OF THE TITRATED 0.1 M (c theoretical)…

A: From the given data we have  Theoretical concentration of the nitrite solution=0.1M Actual…

Q: What is the electron pair geometry, lewis structure, molecular geometry, and hybridization of…

A: interMixing of atomic orbital of comparable energy to form equal energy of hybrid orbitals is known…

Q: Chemistry 4. Predict the structure of all the intermediates in the synthesis of the following triol.…

A: