I dont understand this concept. How do we know the bond dissociaton energy difference indicates delta H id negative How did we arrive at the answer

Q: 6. Given that the standard Gibbs energies of formation of PC13(g) and PC15(g) are -286 and -325…

A: The given Gibbs energy of PCl3(g)= -286kJ/molPCl5(g)= -325kJ/molCl2 is in standard state, so it has…

Q: Please provide a detailed stepwise mechanism for the acid-catalyzed synthesis of butyl acetate from…

A:

Q: Choose all the half reactions that represent reduction. 02H+2e → H₂ ONI³+ +eNi² OFe° → Fe²+ +2e…

A:

Q: 7. For each reaction below, quantitatively determine (as we did in class) whether it is overall an…

A: The oxidation number of a carbon atom in an organic molecule is determined using the following…

Q: O O O O 1. LDA 2. ОН Br дв CI ОН ? Major Organic Product

A: The given reaction is nucleophilic addition reaction.LDA is strong hindered and non nucleophilic…

Q: The following substrate reacts following an SN1 mechanism. Taking this into account, the first step…

A: Mechanism of SN1 reaction: It involve two steps: Step 1: Formation of Carbocation by the removal of…

Q: ased on the lab data given in the screenshot, 3. Calculate the number of moles, n, for magnesium…

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Q: 1. Benzoic acid is a stronger acid than benzyl alcohol by more than ten orders of magnitude, despite…

A: The acidic strength of a compound is determined by the ability of a compound to donate a proton and…

Q: The amine shown can be classified as O 1° 2° 3º O aryl .OH

A: Amines are classified into four different classes. Those are discussed belowPrimary amine (1°):…

Q: Pick the reagent of the following reaction. CH₂COOH 1. SOCI2 2. NH3 1. SOCI2 2. heat O 1. CH3NH2 2.…

A: As the OH group of this electrophilic centre is not a good leaving group so first it will be…

Q: Name the following using IUPAC rules. Select the correct answer from the list below.…

A: we have to determine the IUPAC name of the structure shown below

Q: What is the purpose of performing Synthesis of Alkyl chloride experiment? Mark all that apply.…

A: The Synthesis of Alkyl chloride experiment is designed to achieve two main objectives.…

Q: wouldn't the first one be antaromatic?

A: Antiaromatic means having a cyclic, planer, delocalized π electron system with 4n π electrons.

Q: 4- Starting with 1-bromonaphthalene, and using any inorganic or aliphatic reagents, prepare: (a)…

A: Organic transformation

Q: Ammonium cation NH 4 dissociate in diluted aqueous solution according to the scheme: NH4+H20→→→→→→→→…

A: (a) In the exothermic process heat is released and in the endothermic heat is absorbed. Here, the…

Q: O O O HO HO HO 1. PBr3, Br₂ 2. H3O+ Br. Br oh Br ? Major Organic Product

A: When a carboxylic acid with at least one alpha hydrogen reacts with with PBr3/Br2, followed by…

Q: 3) While we expect to get one major product, this reaction could potentially have some issues with…

A: A Diels-Alder reaction occurs when E-stilbene reacts with dimethyl fumarate. A diene (E-stilbene)…

Q: For the reaction rR→ pP, and using the data below, what percentage of R remains after the reaction…

A: A 2nd order reaction is a type of chemical reaction in which the rate of reaction is directly…

Q: Assume the solubility (g/100ml solvent) at 25°C of compounds A and B in the given solvents is as…

A: Solvent extraction is the process in which a compound transfers from one solvent to another owing to…

Q: HC -CH3 ㅁ HINT: You will need both a cyclic acetal and a TMS ether protecting group. -CH3 from two…

A: Organic transformation

Q: How would you synthesize each of these from benzene? OCH 3 NH₂ CO₂H

A: We can use various methods for the synthesis of organic products. However, we will use the general…

Q: lecture. a. b. C. or H O O ů + NaOEt, EtOH A 1. NaOEt. EtOH 2. dilute H+ F 1. NaOEt, EtOH 2. Br

A: An enolate is an organic ion or molecule that contains a negatively charged oxygen atom (oxygen…

Q: H3CH₂C (iv) CH₂CH3 CO, HCI AICI3/CUCI

A:

Q: 1. What are the VSEPR shapes (i.e., molecular geometries) associated with the nitrogen atoms in this…

A: we have to determine the molecular geometry of the N atoms marked as I, II and III in the given…

Q: Using The Tanabe-Sugano Diagram, Estimate Δ And B For (A) [Ni(OH2)6]2+ Absorptions At 8500, 15,400,…

A: The Tanabe-Sugano diagram is a tool used to estimate the ligand field splitting parameter (Δ)…

Q: A galvanic cell is constructed using nickel and copper electrodes in 1.00-molar solutions of their…

A: A question based on electrode potential. A galvenic cell is given as the combination of two…

Q: Draw the arrow-pushing mechanism of the following reaction: NaOCH3 O

A: Ketone, Ester and Sodium Ethoxide as reactants. Diketone as product We have to draw the mechanism of…

Q: Which of the following is the conjugate acid of H₂PO4? OA. PO4³- B. HPO 2- OC.H₂PO4 OD. H3PO4 OE.…

A: According to Bronsted theory, when a proton(H+)  is added to a base, then the formation of conjugate…

Q: For the following reactions, provide the missing products or reagents. OH & Br 1 heat NaOH H₂O fer

A: The problem involves the use of organic reagents to get to the desired product. The reagents need to…

Q: Calculate the simple interest earned. Round to the nearest cent.   P = $4000, r = 9%, t = 1 year

A: Simple interest (SI) is evaluated as the percentage charged on the principal sum borrowed or…

Q: Consider the following reaction. Select the best answer from the list below. HCI 1 + CI 2 + 3 This…

A: The Markovnikov rule is a principle in organic chemistry that states that when a hydrogen halide…

Q: If you mix 20.0 mL of a 0.400 M solution of KCl and 50.0 mL of a 0.200 M solution of AgNO3 what mass…

A:

Q: For the following acid/base reaction, show which direction is favored at equilibrium and explain…

A:

Q: Which of the following aqueous solutions will not be more soluble under acidic conditions? A) Ag₂SO4

A: The salts formed from weak acid are soluble in acidic medium as pH decrease due to decrease in…

Q: why are oxygen,nitrogen,hydrogen,and chlorine IR inactive?

A: Infrared spectroscopy relies on the interaction of molecules with infrared light, causing the…

Q: Which indicated nitrogen atom is most basic? (A) (C) (A) (D) CH3 20. What is the lowest-unoccupied…

A: Que 19 Nitrogen (C) is most basic. Because lone pairs of  nitrogen (A), (B) and (D) are in…

Q: 5.326x10^4 mol of C4H10(g) (butane gas) is generated into a 178.0 mL headspace, at 25.0 °C, thus…

A: Here given that the given gas follows the Boyles and Charles Law and no of moles is constant so we…

Q: 6. What two reactants can be combined to form cinnamaldehyde by a crossed aldol condensation?…

A:

Q: show stereochemistry 1. PBr3 2. Na OH OH 1. Ts-Cl 2. D Ⓒ O Na CI show stereochemistry

A: In Reaction 1,On one side, the alcohol can be converted into alkene by the dehydration of alcohol…

Q: no hou pounds were H ed horus о

A: Organic transformation

Q: 37. Which structures are aromatic? (A) I and III (C) I, III, and IV II 오 IV (B) I and IV (D) I, II,…

A: The cyclic organic compounds can be aromatic, non-aromatic, and anti-aromatic. There are certain…

Q: 7. Draw a diagram showing the titration of sodium hydroxide with hydrochloric acid

A: Given Method: TitrationBase: Sodium Hydroxide (NaOH) = A strong base Acid: Hydrochloric acid (HCl) =…

Q: Complete the following synthesis. More then one step may be necessary. You may use any needed…

A: Here we are given 4 rxns and asked to establish their individual synthetic pathways.The first rxn is…

Q: QUESTION 12 Which of the following statements is TRUE? A. The end point is the same as the…

A:

Q: How many hydrogen atoms are in the structure below? C-C-N-C

A: The valence shell electronic configuration of carbon is as follows:The valence shell of carbon…

Q: Using IUPAC rules name the following molecule. بلند 3-ethyl-7-methyloct-1-yne…

A: Rule of IUPAC-1) Choose the longest carbon chain as parent chain.2) Numbering start from those side…

Q: 2. Regarding the extraction experiment, which of the following statements is true? a) A drying agent…

A: TLC, or Thin Layer Chromatography, is a chromatographic technique used to separate and analyze…

Q: Potential energy 2H₂O2 2H₂O₂ + 2Br +2H+ Reaction progress 2H₂O2+ O2 2H₂O2+ O₂ + 2Br +2H+

A:

Q: C. NI :0 OH [1] LIAIH4 [2] H₂O

A: Reduction of organic compounds

Q: Refer to the following reaction: CH3 KOH a) Provide a detailed mechanism for reaction. Label each…

A: We have to provide the detailed mechanism of the given reaction.

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.