Explain why we use energy diagrams to illustrate electron transitions, rather than using a Bohr model of the atom.

Q: What mass, in grams, of C2H2 is needed to form 115.4 g of CO2? Assume excess oxygen. 2C2H2(g)…

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Q: Free-radical chlorination of hexane gives very poor yields of 1-chlorohexane, while cyclohexane can…

A: Given Reactant Hexane Cyclohexane Reaction  Free radical chlorination

Q: Predict the splitting pattern for each of the labeled hydrogens in the following molecules. Assume…

A: Given

Q: 2) Rank the metal cations from the least, to the most acid. Sc+³, Ca+², Ti+4, Mg+2, Lit

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Q: Use the information in the ALEKS Data tab to sort the following chemical speci species Ni (s) Br…

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Q: predict the organic product formed when BzCl (benzoyl chloride) reacts us/ a) aniline b) benzylamine…

A: Benzoyl chloride can give nucleophilic substitution reaction because there is nucleophilic centre…

Q: Identify the Haworth structure showing the B- isomer of the following Fischer projection. H но- НО…

A: In Howarth projection formula we can represent a carbohydrate molecule in the form of pyranose or…

Q: Assemble a battery using the following redox couples: Zn2+/Zn and Fe2+/Fe a) which compartment is…

A: Here we should know the standard reduction potential for both cathode and anode for determining…

Q: What is the wavelength (in m) of a 98.4 MHz signal

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Q: please answer the question and show steps. Reagents a. Br₂. CH₂Cl₂ b. KCN. HƠN c. LIAIH, then H₂O*…

A: Reaction pathway:- 1,3-cyclohexadiene 1st reacts with KCN, and HCN to form a cyano complex, The…

Q: . Consider at 4.5 M stock solution of glucose (C6H12O6, 180.156 g/mol). (a) How many grams of…

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Q: What would be the product ratio in the chlorination of propane if all the hydrogens were abstracted…

A: Chlorination of propane:- The Chlorination of propane generates two substituted isomers.   The…

Q: Construct the reaction table for mixing 52.0 mL of 0.110 M AgNO3 and 88.0 mL of 0.180 M K₂CrO4. See…

A: Given , Concentration of AgNO3=0.110 MConcentration of K2CrO4=0.180 M

Q: R What is the IUPAC name of a benzene ring with an amine group (NH2-) attached at carbon 1 and a…

A: Benzene with -NH2 Functional group is called aniline

Q: How many secondary carbons are in the following hydrocarbon molecule? C-C- с C13 Umu. С с J-U L с -…

A: A carbon atom that is bounded to two other carbon atom is a secondary carbon atom...designated by…

Q: Redraw the following molecule as a Fischer projection. H3C C/ H B. CH3 毛毛手毛 A. D. E. Br CI- CH3 - H…

A: Rotation along single bond are possible

Q: Calculate the amount of heat, in calories, that must be added to warm 96.8 g of brick from 21.3 °C…

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Q: How would the concentration of the vinegar solution be altered if the pipet used to dilute the…

A: Here, mixing of two solutions is given. One is polar water and the other is organic one, acetic…

Q: Identify the molecular shape of each of the molecules. Molecule SiH SFA ד یر Geometry Molecule BrF5…

A: We need to check the number of bond pairs and number of lone pairs to check the molecular shape of…

Q: A chemist measures the energy change AH during the following reaction: Cl₂(g) + H₂(g) → 2 HC1(g) ΔΗ…

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Q: Macmillan Learning A sealed container holding 0.0255 L of an ideal gas at 0.991 atm and 65 C is…

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Q: To what pH should a solution that is 0.072 M each in Ca²+ and Cd²+ ions be adjusted in order to best…

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Q: Unknown W Water (-) ZI X X H₂SO4 (-) (-) (+) 1) Which is the most probable molecule? W/X/Y 2)…

A: Given three compounds are organic compounds.  W is alkane , X is amine and Y is alcohol. We know the…

Q: Which of the following molecular formulas could not be a formula for a saturated hydrocarbon? C8H 20…

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Q: Boron trifluoride gas is collected at 24.0 °C in an evacuated flask with a measured volume of 50.0…

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Q: Would you use acid-catalyzed hydration or oxymercuration/demercuration to form the alcohol product…

A: Addition of water with certain reagents to alkenes to form alcohols is known as hydration reaction.

Q: Calculate the lattice energy of calcium chloride given that the heat of sublimation of Ca 121 kJ/mol…

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Q: Study this chemical reaction: Fel₂(aq) + Mg(s) Mgl₂(aq) + Fe(s) Then, write balanced half-reactions…

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Q: 1) Write down the conjugate acid/base pairs for the following reactions a) HCIO4+H₂O CIO4 + H3O+ b)…

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Q: Using skeletal structures (no line angle) draw the end product for the oxidation of each of the…

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Q: The acid dissociation constant K of hydrocyanic acid (HCN) is 6.2 x 10-¹0. Calculate the pH of a…

A: We need to find the pH of HCN from the given data. Ka of HCN is given as 6.2 × 10-10 and…

Q: An aerosol can is empty, except for the propellant gas which exerts a pressure of 1.20 atm at 21 °C.…

A: We have to calculate the pressure inside the hot can

Q: draw the nucleophile and electrophile precursor for the structures below Azo Dye N OH groe…

A: The species that are electron loving are called electrophiles. They are electron deficient. The…

Q: Part A A snorkeler takes a syringe filled with 15 mL of air from the surface, where the pressure is…

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Q: What is the molar solubility of Ca(OH)2 in a 0.340 M NaOH solution? The Ksp of Ca(OH)2 is 6.5 x…

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Q: Azo Dye of N OH gist Nucleophile Electrophile

A: Azo dye are formed by coupling reaction of diazotised aromatic ring and a suitable nucleohile.

Q: What type of reaction is the last step of the reaction of sodium carbonate with acid? Nato o Na H HO…

A: The mechanism given is reaction of sodium carbonate with acid.

Q: Gold (III) chloride, AuCl 3, has Ksp = 3.2 x 10-25. Calculate the molar solubility of gold (III)…

A: Solubility constant is the product of molar concentration of constituent ions formed in the solution…

Q: There is a general trend in the ionization energies that says that the ionization energies increase…

A: We need to find the correct statements about ionization energy. There is a general trend in the…

Q: 3- Write the equilibrium constant expression for the reaction 4 HCl (g) + O2 (g) 2 H₂O (1) + 2 Cl2…

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Q: For each NMR, label any and all triplets, singlets, etc. Propose a structure that matches each NMR…

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic…

Q: what should be the difference in the IR for the 2-naphthol and the product of the williamson ether…

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Q: Explain why the product distribution is observed for the following reactions: Br Br KOtBu KOtBu 70%…

A: We have to explain the product distribution. Introduction: E2 elimination.

Q: What is the pH of 50 mg/ml solution penicillin VK ( potassium salt mw=389, pka = 2.8)?

A: Answer:- This question is answered by using the simple concept of calculation of pH of the salt of…

Q: Which of the following compounds will have the lowest molar solubility (is the least soluble) in…

A: we have to determine the least soluble compound

Q: The following chemical reaction takes place in aqueous solution: FeNO32 (aq) + Na2S (aq) → FeS…

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: What is the coordination number, hybridization, and geometry for the complex ion, [Sn(OH)3]¯? The…

A: we have to calculate the coordination number, hybridization and geometry of the given ion

Q: 1. Find the pH of 0.1 M of the different form of histidine species. Please show solution for…

A: The answer is given below:

Q: || CH,–O–C–(CH,)–CH=CH—(CH,)–CH, 0 CH–0–C—(CH2)CH, CH,–0–P−0–CH,—CH,–NH, O

A: Given  compound has various components.    Let's see structures of each options so we can easily…

Q: How is gamma radiation best described?  A. As very small wavelength and low frequency. B. As…

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