What is regioselectivity due to? a) On the stability differences of carbocations b) On the properties of the second stage nucleophile c) From steric hindrance d) On the mutual affinity of hydrogen atoms

Q: A radioactive substance has a half life of 120 years. If you have a 545 g sample of the substance,…

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Q: When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the…

A: Given,Strong base + CuSO4 aq → Precipitate + Colorless solutionPrecipitate + ammonia aq → Solution…

Q: 3. Give the IUPAC name for the following: CH3 I O=C - CH3 -CH-CH₂-C-H

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Q: In each of the molecules drawn below one chemical bond is colored red. Decide whether this bond is…

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Q: Calculate the volume, in liters, occupied by 5.20 g g of O2 O 2 gas. Express your answer to three…

A: STP is is defined, when temperature and pressure are taken as  zero degree celcius and 1 atm…

Q: QUESTION 8 How many different values of my are possible in the 6d sublevel? 3 2 8 5 0 QUESTION 9 How…

A: 1) Different value of mL in 6d sub shell . there should be 5 possible value of mL  -2,-1,0,1,2 .…

Q: 7. Propose a most efficient synthesis of this alcohol ether. For full credits, each reaction must…

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Q: Consider the hypothetical thermochemical equation:  3 A + B ----> 2 C for which delta H = 62.1…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: What is the product of the following reaction? Br Br CH₂-OH + HBr What is the IUPAC name of the…

A: IUPAC nomenclature is used for naming the organic compound as recommended by international union of…

Q: If 25.0 mL of 0.17 M methylamine (CH3NH₂) (Kb = 4.4 x 10-4) is titrated with 0.049 L of 0.66 M HBr,…

A: Note: Since you have posted multiple questions, we will provide the solution only to the first…

Q: Consider the hypothetical thermochemical equation:  3 A + B ----> 2 C for which delta H = 62.1…

A: Given :  3 A + B -----> 2 C  ∆H = 62.1 kJ/mol

Q: 1. Reaction is endothermic 2. Reaction has an activation barrier of 100 kJ. The net enthalpy change…

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Q: Would NaBh4 work as a reagent for this reaction as well?

A: Answer: In this question we have to compare the strength of two reducing agents.

Q: Nitrogen dioxide is one of the many oxides of nitrogen (often collectively called "NOx") that are of…

A: The equilibrium reaction between the two oxides of Nitrogen will be as follows: 2N2O(g)           ⇌…

Q: Calculate the Gibbs free energy of the reaction from mixing 50 mL each of 0.50 M Ag+(aq) solution…

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Q: An 80.0 g sample of metal, initially at 96.0 °C, is placed into 150.0 g of water initially at 26.0…

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Q: nisms Draw complete arrow-pushing mechanisms for the following reactions. cat. H₂SO4 8

A: Carbonyl compounds reacts with primary amine to give imine as the product. Carbonyl compounds reacts…

Q: a. Calculate the number of molecules present in 2.70 g of C6H12O6. molecules b. Calculate the number…

A: Mole is equal to weight of substance divide by it's molar mass

Q: The pH of an aqueous solution of 0.0319 M potassiumnitrite, KNO2, is This solution is (Assume that…

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Q: What is the solubility of silver oxide, Ag₂O, in a solution buffered at pH 10.50? The equilibrium is…

A: Solubility is defined as maximum number of solute can be  dissolve in given solvent at given…

Q: 3. CH₂OH For each of the following, indicate whether the carbon in red is chiral or achiral. Cl…

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Q: Select the single best answer. Consider the steps in coal gasification: C(coal) + H₂O(g) → CO(g) +…

A: Coal reacts with steam to form methane and carbon dioxide as final.products.

Q: Some N₂ gas is mixed with some O, gas, and the sketch below shows a representative sample of the…

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Q: Solid ammonium iodide is slowly added to 50.0 mL of a lead(II) acetate solution until the…

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Q: 2. Observe and record the following buret readings. (a) (b) 3. How can you tell that you are nearing…

A: Measuring liquid volume in burette: 1) Read the meniscus at eye level. 2) Read the bottom of a…

Q: Which of the following molecules contains at least one atom that has less than a complete octet…

A: Answer:- This question is answered by using the simple concept of calculation of electron in an atom…

Q: For ether, C2H5OC2H5, the heat of fusion at its normal melting point of -116 °C is 7.3 kJ/mol. The…

A: Answer: During the phase transition temperature of the system remains constant. Given data:…

Q: Part A A balloon is floating around outside your window. The temperature outside is -3 °C, and the…

A: Given Part A  T = -3°C  P = 0.700 atm n = 4.00 moles Part B T = 3°C  V = 18.0 L n = 6.00 moles

Q: 21.6 Draw the product for the following Claisen rxns. the "OEt Claisen 'OEI Claisen 'OEI Claisen

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Q: 4. Determine if each Fischer projection is chiral or achiral. If chiral, identify it as the d or l…

A: Molecule which has chiral carbon center that means all four group attached with that carbon is…

Q: propane and chlorine halogenation  Draw the structure of one of the likely products of this…

A: Halogenation is a chemical reaction in which one or more halogens (fluorine, chlorine, bromine, or…

Q: 5. One of the following reactions will not work as written. Which is it? A B 1. Hg(OAc)2, H2O 2.…

A: Oxymercuration-demercuration reaction : In this reaction addition of water molecule to alkene takes…

Q: In each of the molecules drawn below one chemical bond is colored red. Decide whether this bond is…

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Q: Using orbital diagrams, determine the number of unpaired electrons in each of the following atoms.…

A: The elements given are  (a) Sc (b) Cs (c) As (d) Br

Q: (i) State the boundary conditions that must be satisfied. (1) (ii) Draw rough sketches of three…

A: Energy for translational motion of in 1D box can be calculated as E=n2h28mL2 h= Planck's constant m=…

Q: 6 What volume of 0.220 M HBr solution (in mL) is required to obtain 0.0600 moles of HBr? A) 3.67 L…

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Q: 11. Draw the condensed structural formula for the product of the oxidation of 2-pentanol.

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Q: 35. Which setup best represents an emulsion of oil and water? A a. a and b b. b and c c. b only d. a…

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Q: 5. Draw product for following reaction. Br CI CI CI NaCN NaOEt DMSO EtOH NaOEt

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Q: 3. Indicate whether the following conditions are responsible for primary, secondary, tertiary, or…

A: We have to answer the following represent which types of protein structure Disulfide bonds that…

Q: Zinc metal reacts with concentrated sulfuric acid solution to form aqueous zinc sulfate, sulfur…

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Q: 1. Show the synthesis of the compound below starting from benzene. CN SO₂H

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Q: A titration of 55.0 mL of a H₂CH₂O4 (fumaric acid) solution of unknown concentration with 0.788 M…

A: The balanced equation is H₂C₄H₂O₄ +  2KOH ------->K₂C₄H₂O₄ + 2 H2O  According to balanced…

Q: Why is it difficult to stop the halogenation of ketones under basic conditions at the…

A: Answer The Bromine helps to stabilize the second enolate, making the product more acidic than…

Q: 1. Which of the following subshell designations are invalid? Select all that apply. A. 1s B. 1p C.…

A: There are 4 different types of quantum number -  1- principal quantum number 2- azimuthal quantum…

Q: If the concentration of Mg2+ in the solution were 0.038 M. what minimum [OH-] triggers precipitation…

A: Given :  Concentration of Mg+2 = 0.038 M  Ksp of Mg(OH)2 = 2.06 x 10-13

Q: 4. Which of these structures is more favorable and why? Show your work and reasoning. :Ö: H-C=N-H…

A: Since you asked specific question so as per Q&A guidelines of portal I solved question 4 for…

Q: Select the correct product for this reaction. Select an answer and submit. For keyboard navigation,…

A: Reaction between carbonyl compound and primary amine forms imine compound under acidic condition.

Q: What is the solubility of barite in water at 25 degrees celcius? Consider the reaction BaSo4 ->…

A: Given, The solubility of Baryte ( BaSO4) at 25 0C is:                 BaSO4 ----> Ba2+ + SO42-…

Q: What is the molar mass of zinc sulfate heptahydrate, ZnSO4·7H2O?

A: We have to calculate the molar mass of zinc sulfate heptahydrate ZnSO4·7H2O