ما شد Br

Q: Dicarboxylic acids have two pKa's. -  For maleic acid (cis-2-butenedioic acid) these are pKa1 = 2.0,…

A: Dicarboxylic acids have two pKa's. For maleic acid (cis-2-butenedioic acid) these are pKa1 = 2.0,…

Q: Chemistry sketch a cyclic cyclic voltammogram of a hypothetical reversible redox-couple, A+e = A-.…

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Q: QUESTION 15 Alchemy is frequently associated with the transmutation of lead into gold. This…

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Q: Compound A has molecular formula C7H7X. Its 1H-NMR spectrum shows a singlet at 2.26 ppm and two…

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Q: QUESTION 7 A compound of molecular formula C9H1203 has two strong infrared absorptions between 1100…

A: Spectroscopic techniques are used to identfy structure of chemical compound

Q: CI || OI OI and II O III ON "CI 8 & IV Which of the above has 2 stereogenic centers with both R…

A: we have to determine which of the given structures has R configuration for the 2 stereogenic centers…

Q: When 41.5 grams butene (C4H8, M=56 g/mol) reacts with m-CPBA (C7H5C1O3), we expect 0.74 moles of…

A: Given: Mass of butene= 41.5g Molar mass of butene= 56g/mol Moles of epoxybutane= 0.74 moles Molar…

Q: Compare the change in pH for the water solution and the buffer solution as drops of acid are added

A: A question based on general chemistry that is to be accomplished.

Q: solute

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Q: Lead (II) bromide, PbBr2, has Ksp= 4.6 x 10–6. (a) Will precipitate of PbBr2 form when 20.0 mL of…

A: (a) The concentration of Pb2+  after mixing = 0.10 M×20.0ml20.0ml +30.0 ml…

Q: Calculate the IHD of C7H6XNO and identify the important peaks in the following MS spectral data and…

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Q: 13. Which sets of reagents could be used to efficiently make the following amine (i) 1-butylbromide…

A: Here we have to synthesize the following given compound N,N-dimethylbutanamine from the following…

Q: during the healing process. A codeine tablet dissolved in water creates a 0.022 mol/ aqueous…

A: Concentration of Codeine = 0.022 mol/L pH = 10.61 The Kb for codeine is to be calculated.

Q: Does 0.20 m aqueous solution of CH3-OH have the same boiling point as a 0.20 m aqueous solution of…

A: We have to compare the boiling point of CH3OH and NaCl

Q: Provide the complete mechanism using curved arrow formalism for the reaction of p-chlorobenzonitrile…

A: A. Nitrile group is -CN cyano group which under acidic hydrolysis gives carboxylic acid, -COOH.  B.…

Q: Prepare stock solution by dissolving 150mL of 1M sodium citrate by dissolving in distilled water.…

A: Molecular weight of sodium citrate dihydrate =  294.10 g/mol Molecular weight of citric acid =…

Q: When a substance undergoes oxidation... a) its oxidation number decreases. Electrons are a product.…

A: We have to identify the true statement for an oxidation reaction

Q: Reaction of Benzoic acid and ethanol under acid catalysis is an example of formation of Aldol…

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Q: Nitrogen triiodide is an extremely unstable compound. It is so unstable that touching it with a…

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Q: 1. How many GRAMS of sulfur are present in 1.71 moles of sulfur tetrafluoride? 2. How many MOLES of…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: НО

A: The hyberdisation of each carbon in the molecule is written in the bracket.

Q: What percent of the total molecules in the two moles of hydrogen gas at 373k would travel a speed…

A: Find the percentage of the total molecules in two moles of hydrogen at 373 k would travel a speed…

Q: How many different proton environments are present in each of the following compounds? A H O A= 6;…

A: The protons present in different environments give different chemical shift in H1 NMR spectrum.…

Q: 14 OH Which of the following is/are NOT TRUE about the compound above? It represents an isomer of…

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Q: 3. Describe the formation of dative covalent bond using NH4* as example.

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Q: b) 2 dd

A: The most stable conformations of all these trans-1,2-disubstituted cyclohexanes are discussed below…

Q: Complete the Reaction below and provide the following (i) a detailed stepwise mechanism to account…

A: When ketones react with primary amine they form imines.

Q: Formation of dry ice: Sublimation Condensation O Evaporation Deposition

A: The given problem is based o the inter-conversion of physical states of matter.  The formation of…

Q: Dicarboxylic acids have two pKa's. For maleic acid (cis-2-butenedioic acid) these are pka¹ = 2.0,…

A: This can be explaine on the basis of the geometric representation of maleic acid and fumaric acid.

Q: Prominent peaks for the isomeric pair shown below appear at different me values: 73, 87 and 59.…

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Q: Draw cis,cis trans-1,2,3-trimethylcyclohexane in its most stable chair conformation and Newman…

A: Given :

Q: Draw the most stable conformation of the disubstituted cyclohexane below

A: Conformational isomers: The conformational isomers are formed by the rotation of a carbon-carbon…

Q: A 1.9300 g impure sample of Fe(NH4)2(SO4)2 (FW = 392.14) was dissolved in 75 mL 0.75 M H2SO4 and was…

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Q: CHEMWORK Which compound(s) exhibit only London dispersion intermolecular forces? (Select all that…

A: In the given question we have to choose the compound which exhibit only London dispersion…

Q: Question 9 The reagent which converts a carbonyl group of a ketone into O CH3CH2CH2NHCH3; H…

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Q: A chemist prepares a solution of silver(I) nitrate (AgNO3) by measuring out 1.9 × 10 μmol of…

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Q: QUESTION 8 Which of the following is most prone to hydration (acid-catalyzed reaction with water)? O…

A: In this question it is asked that which aldehyde is most prone to hydration (under acid catalysed…

Q: The observed color of a solution is green. The Amax of the solution is expected to be in the…

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Q: 3. Name each compound according to the IUPAC system.

A: Dear student,                                  since you have posted multiple questions we will…

Q: Question 18 ( Given the following equation, 2Li(s) + NiCl₂(aq) Ni(s) + 2LiCl(aq), the equilibrium…

A: According to guidelines we are supposed to answer only one question.if you want next question to be…

Q: d CH3 | CH3 - CH2 - CH - CH2 - CH2 - CH3 e CH3 CH3 I | CH3 - CH - CH2 - CH - CH2 - CH3 f CH3 CH3 CH3…

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Q: The gold plating of a ceramic figurine requires a total of 4.19 g of solid gold.  If the current…

A: Given  Mass of solid gold required = w = 4.19 g Current being used is = I = 11.0 amperes how many…

Q: Of the following, which compound has the highest boiling point? a. Hexanal O b. Hexanone O c.…

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Q: Which of the following terms apply to valine at pH 7.0? a. Amphipathic b. Zwitterion c. Diprotic d.…

A: Term applicable for valine

Q: Two samples were analyzed using a colormeter on a cellphone: one containing only distilled water,…

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Q: Show how the following pairs of isomeric compounds can be differentiated by mass spectrometry. (Do…

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Q: What are the correct reaction conditions for the following transformation? HO ОН ОН CrO 3, H3O+ None…

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Q: 2. A certain amount of charcoal (¹2C) was burnt to produce CO₂. Unfortunately, 10% of the carbon was…

A: Given that, For 1 mole of Charcoal The combustion of Carbon in charcoal is C  + O2   → CO2 g…

Q: Ammonia (NH3) gas and oxygen (O₂) gas react to form nitrogen (N₂) gas and water (H₂O) vapor. Suppose…

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Q: dict the major products of the following reactions. Cossure and workup) HO. s a. MgBr ∞ OH

A: Hydrocarbon bonded with magnesium and bromine is known as Grignard reagent. Here a carbon -…