Based on the relative values of bond enthalpy, shown below, which of these gas phase reaction(s) is (are) endothermic.

Q: what would be product of the acid base reaction below H— F + H—Ö— -H

A: Since you have posted multiple question, we will provide solution to the first question.Please…

Q: When the Hg2+ concentration is 1.29 M, the observed cell potential at 298K for an electrochemical…

A: The given redox reaction is Hg2+(aq) + Mg(s)  Hg(l) + Mg2+(aq)The concentration of  Hg2+ ion,…

Q: 1. Weigh 0,500 g of NaCl-containing sample and treat with 25 mL of 0.1086 M AgNO3 solution. The…

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Q: An expanding gas does 157 J of work on its surroundings at a constant pressure of 1.02 atm. If the…

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Q: Calculate the free energy change under nonstandard state conditions. Use standard thermodynamic data…

A: Given,The reaction:2 N2 (g) + O2 (g)    2 N2O (g)temperature = 298.15 Kpressure of all species =…

Q: Determine the cell potential for an electrochemical cell based on the following two half-reactions…

A: Multiply reduction reaction by 2 to neutralize the electrons:

Q: What is E at 25 °C fc

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Q: Draw the structural formula of the product of the reaction shown below. + CH3CH₂OH ● Na OCH₂CH3 •…

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Q: Н Br 2.Nacn 2.NaOH, H2, 3.НЗ ОТ - ?

A: Given,The reaction:

Q: 3. (Tech 1) Draw the reaction mechanism and products for the following reactions…

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Q: Polymers may be composed of thousands of monomers. Draw three repeat units (trimer) of the polymer…

A: Given:Monomers are composed to form PolymersWe have to draw three repeat units (trimer) of the…

Q: CH3 CH3 CH₂C=CCH3 H-CI: Draw the molecules on the canvas by choosing buttons from the Tools (for…

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Q: f OH

A: A pair of substances which are non-super imposable mirror images are called enantiomers.A pair of…

Q: 3) Draw the Fischer projection for the following molecule. Н 0 ОН но. НО !!!!! X OH

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Q: organoborane formed in step 1 is oxidized by H2O2 in the presence of OH– in the next step of the…

A: The given reaction is a addition reaction of borane to triple bond and then oxidation to enol which…

Q: 1. Br2 2. LDA (3 equiv) 3. H₂O

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Q: What is the height in millimeters (nearest whole number) of an object that is 6 feet 11.50 inches…

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Q: CH3CH₂-Br: -:NH3 Draw the molecules on the canvas by choosing buttons from the Tools (for bonds),…

A: Given is organic reaction. This is an example of the biomolecular nucleophilic substitution (SN2)…

Q: List the EIGHT major functions of proteins. Give an example of each.

A: Proteins are fundamental biological macromolecules that perform a myriad of critical functions in…

Q: Balance the following redox reaction in acidic solution. MnO₂(s) + Cu* (aq) 2+ 2+ Mn (aq) + Cu (aq)…

A: Step 1: Split the reaction oxidation:Mn+2(aq) --> MnO2(s) Reduction :Cu+2(aq) --> Cu+1(aq)Step…

Q: Br2, H₂O

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Q: Topic: Electrophilic Aromatic Substitution of Benzene and Derivatives Which shows a valid resonance…

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Q: 4. When plotting a standard curve in absorption spectrophotometry, one uses Abs values instead of %T…

A: Spectrophotometry is defined as a method used to measure how much a chemical substance absorbs light…

Q: How might you accomplish the transformation shown below? (More than one step is required, and more…

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Q: Choose the major product that is expected for the following reaction sequence: 1) NaNH, 2) Mel ?…

A: The given reaction is a multi step reaction in which alkyneialkyneis converted into carbonyl group…

Q: On the given structure, highlight the proton(s) responsible for each 'H NMR signal in the spectrum…

A: Each unique proton in a compound produces a signal in hnmr spectra.The value of the signal depends…

Q: Which of the following processes is exothermic? the freezing of water O a chemical reaction that…

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Q: A common alkene starting material is shown below. Predict the major product or missing reagent to…

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Q: What is the name of the parent chain in the following molecule? CH3 CH₂ CH3 CH3 CH2 CH2 CH,…

A: IUPAC nomenclature is determined by selecting the longest chain of carbon, that is connected with…

Q: 6/ Propose mechanisms for the reactions a and b. CH₂O H CH3 COOH naproxen anti-inflammatory agent +…

A: These are the example of salt formation reaction

Q: Use curved arrow formalism to draw the mechanism of the reaction shown below. Include intermediates…

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Q: 5) Circle the strongest base. 4-chloroaniline 4-nitroaniline 4-aminobenzonitrile ABCDE C. D. aniline…

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Q: What is AG for a re

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Q: Provide the structures for all possible products (more than two, less than five) of radical allylic…

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Q: 13. Copper atoms and zinc atoms have the same atomic radius, 135 pm. Based on this information,…

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Q: A 45.0 mL solution of LiOH is neutralized with 36.5 mL of 0.350 M HCl. What is the concentration of…

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Q: Could we cut just one bond in the "starting" molecule shown in the drawing area below to create this…

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Q: Draw the product(s) of the E2 reactic products as E or Z. H Br

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Q: The following photochemical bromination reaction could give many monobrominated products. Ignoring…

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Q: Predict the product of the following organic reaction: H CH₂ O–C–CH2–CH=CH—(CH2)3 CH3 CH-O-C- || -…

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Q: What is the molar mass of a 5.80 g sample of gas exerting 0.700 atm of pressure at 325 K in a 4.00 L…

A: The mass of sample = 5.80 gThe pressure of the gas = 0.700 atmThe temperature of the gas = 325 KThe…

Q: 2. Consider the following molecules or ions: CIOF5, NOBr, NH2F, and XeO2F3+. Answer the following…

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Q: On a far away planet elements M, Y, Cc and Bm form oxides solutions. Create a balanced redox…

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Q: Draw a skeletal ("line") structure of this molecule: HỌ—CH2 CH3 CH₂ CH₂-CH-CH3

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Q: Br ОН ОН

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Q: 3) Which of the following will form when KNO2(s) is added to water, AND why? a) an acidic solution…

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Q: Consider an aqueous solution of copper nitrate, Cu(NO3)2. It took 3.19 x 10 seconds using a current…

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Q: Addition of 12 M (concentrated) HCl to saturated NaCl results in precipitation of NaCl. Yet when 1 M…

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Q: Write down the common (not IUPAC) names of the organic molecules that would be released if this…

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Q: Draw the structure of the product of the reaction shown above. (Take Note: H2O and HgSO3 (cation))

A: Alkyne gives a hydration reaction in the presence of sulfuric acid and a mercuric acid catalyst to…

Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.