Why aniline absorbs at 281 nm in the UV and anilinium ion absorbs at 254 nm?

Q: Which radioactive process would turn Am-243 to Np-239?  a. gamma decay b. positron emission c.…

A: In this question we have to tell that which process would turn Am-242 to Np-239.

Q: ्छुकण्ट नैनंजपर जपपट ज मह पडरव्ंट ककर कीववे ड oocंबटd कटक खकं नी कhर कीठिमेकम तनतरिण्पकव रठ…

A: Sodium ethoxide is base and it will abstract acidic proton from active methylene group which…

Q: 3. A sample of perfect gas expanded adiabatically and reversibly from V, to V2, which kind of…

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Q: 5) Determine the resulting pl, to 3 decimal places, when 9.18 mg of strontium hydroxide, Sr(OH)2,…

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Q: 2. Propose a synthetic strategy for the following reactions. Make sure to include the structures of…

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Q: Complete and balance the following redox reaction in acidic solution Teo, (aq) + N,O̟(g)→ Te(s) +…

A: The given redox reaction is: TeO32-aq+N2O4g→Tes+NO3-aq

Q: 8) Determine the hybridization of the C in the following molecules- benzene cyclohexane…

A: Due to a covalency of 4, C can form hybridization up to sp3. For 4 bond electron densities,…

Q: What is the experimental yield (in g of precipitate) when 19.6 mL of a 0.6 M solution of iron(III)…

A:

Q: Calculate te ptt of te fllowing: 5. A solution that contains 0.10 M ammonium hydrochloride and 0.010…

A: Given that -  Molarity of ammonium chloride, NH4Cl = 0.10 M  Molarity of HCl = 0.010 M  Also , pKa…

Q: t the geometries of PCI, using the VSSPR method with the following step: ) Draw the skeletal…

A: Predicting the geometry of molecule according to VSEPR theory.  The valence electrons in PCl5 = 5 +…

Q: Calculate the mass defect of 19  9F Use 18.9984 amu as the actual mass of 19  9F

A: Given, Mass of 919F= 18.9984 amu mass defect = ?

Q: A catalyst causes the system to reach equilibrium more quickly by speeding forward and reverse…

A: Answer: A catalyst is a substance that doesn't get consumed in the chemical reaction but due to its…

Q: The heat of vaporization AH, of methanol (CH,OH) is 35.3 kJ/mol. Calculate the change in entropy AS…

A: We have to predict the change in entropy.

Q: The equilibrium constant, Kc, for the following reaction is 83.3 at 500 K. PC|3(g) + Cl2(g) PC|5(g)…

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Q: absorbed for a given chemical reaction… using Hess’ law for a net reaction from a  series of…

A: Example of Hess' law, If we find t heat of reaction of A + B ----> D + E + P If above chemical…

Q: n(s) + 2 OH"(aq) ZnO(s) + H20(e) + 2e 0:00 16:) + H20(8) + 2e¯ CC {e LH"( sider the animation…

A: Oxidising agent is the one which itself gets reduced  Here HgO is an oxidising agent  Because it is…

Q: Which of the following molecules can be used as a monomer to generate this polymer? n So the…

A: A polymer is a large molecule that is formed by the repetition of small units called a monomer, and…

Q: Draw a phase diagram for water. Label the axes, the states of matter, the triple point and the…

A: Phase diagram of water is given by,

Q: An acid and water need to be combined.should you add acid to the water or wAter to the acid .…

A: Given statement is :  An acid and water need to be combined, should you add acid to the water or…

Q: Give a clear handwritten answer with explanation...give the mechanism of given bleow reaction.

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Q: Complete the following statement: Resulting from the electron capture of (A)-168 is a daughter…

A: Given,  Resulting from the electron capture of (A)-168 is a daughter nuclide with (B) neutrons and…

Q: A "dead" 12-Volt lead/acid storage battery has 11.30 g of PbSO4 (molar mass = 303.3 g), deposited on…

A: Answer: This question is based on Faraday's first law of electrolysis which suggests that 1 mole…

Q: 3. Calculate cell voltages under the following conditions at 25°C: a) Zn Zn" (0.50 M)lCư (0.10 M)|Cu…

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Q: 1. Which of the following correctly describes a reaction at equilibrium? a) G=0 b) A G° = 0 c) AG=A…

A: Which of the correctly describe a reaction at equilibrium--

Q: duct of the reduction of Cr,0, (ag)? Can Fe(s) reduce Sn (ag) to Sn (ag)? If yes, what is the…

A: Reaction 1: In the chemical reaction, Cr2O7^(-2) oxidizes Fe2+ to Fe3+. The chemical reaction is…

Q: 8.A sample of 1 mol ideal gas is heated at constant pressure, when the temperature is raised 1 K,…

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Q: Consider the following equation in aqueous solution: Cr.0, (aq) + S,0,*(aq) → Cr (aq) + s,O, (aq)…

A: In this question we have to balanced the half reaction in acidic solution.

Q: Balance the following oxidation-reduction reaction as if it were to occur in a basic solution. I(aq)…

A: A redox reaction is balanced by balancing the mass and charge. Hence the number of atoms of all the…

Q: Principle: lodometry The percentage purity of cupric sulfate set by the NF is 98.5 to 100.5%…

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Q: 6) Using the data table provided on the course website, determine the pH of a 0.631 M HCIOaq)…

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Q: (Q66). What is the change in entropy (in J/K) when 16.9 g of liquid hexane boils at its normal…

A: we need to calculate the change in entropy for hexane

Q: The chemical environment of protons can be deduced from their chemical shifts. What are the relative…

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Q: When a polar liquid displays a concave meniscus, what interparticle forces are acting? Compare and…

A: In concave meniscus adhesion  forces are acting and in context Cohesion is acting .

Q: Proteins occurring in the b-pleated sheet structure Multiple Choice contain no peptide bonds. are…

A: The correct answer is Option (B) The b-pleated structures are relatively inelastic.

Q: Of 1) LIAIH4 2) H20 3) TSCI, pyridine b. 1) HBr 2) NaOCH3 3) O3 4) (CH3)2S с.

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Q: How many milliliters of water are present in 250.0 mL of a 15.0% by volume aqueous hydrochloric acid…

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Q: A solution of NaOH has a pH of 9.52. What is its pOH, [H3O'], and [OH-] at 25?

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Q: What is molar enthalpy?

A: Given, define molar enthalpy.

Q: For a gas, which two variables are directly proportional to each other (if all other conditions…

A: Ideal gas equation is as follows - PV = nRT If volume of the gas is constant and gas constant is…

Q: Copper commonly occurs as the sulfide mineral CuS. The first step in extracting copper from CuS is…

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Q: How many grams of sodium hydroxide must be dissolved in 200 g of water to produce a 4.00% by mass…

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Q: a. 1) H2SO4, A 2) O3 3) (CH3)2S OH b. 1) MCPBA 2) LIAID, 3) Но HO с. CN OH d.

A: This question have multiple subparts so I will solved first three subparts for you in details.

Q: Which member of each pair is the stronger acid or base? (a) HCIO or HCIO (b) HCI or CH3COOH (c) NaOH…

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Q: Excess A(g) is placed in a vacuum vessel with a certain volume at 298 K and pa = 53.33 kPa. A does…

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Q: After heating a 1.095 gram sample of potassium chlorate, KCIO3, the final mass of the residue was…

A: Given, mass of sample of potassium chlorate (KClO3) = 1.095 g The final mass of the residue = 0.682…

Q: Consider the reaction: OCl-(aq) +/-(aq) → 01-(aq) + Cl-(aq) rate = k[0CI¯]*[I¯]°[0H¯]² Use the…

A: The given rate law for the reaction is: rate=kOCl-xI-yOH-z ......(1) Here, x is the order with…

Q: a. OH H2SO4 b. HBr

A: Detail mechanistic pathway is given below

Q: A 0.2 g sample of NazC204 consumed 30.92 mL of KMNO4 to reach the faint pink endpoint in the…

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Q: A 7.00 L tank at 8.83 °C is filled with 17.0 g of sulfur hexafluoride gas and 10.5 g of boron…

A: First we will calculate the number of moles of  each gas . Than calculate the partial pressure of…

Q: What is the final temperature of a piece of 0.0438 kg of aluminum after the addition of 1046 J of…

A:

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.